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#! /bin/sh |
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|
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# ltconfig - Create a system-specific libtool. |
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# Copyright (C) 1996-1999 Free Software Foundation, Inc. |
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# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 |
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# |
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# This file is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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# |
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# As a special exception to the GNU General Public License, if you |
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# distribute this file as part of a program that contains a |
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# configuration script generated by Autoconf, you may include it under |
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# the same distribution terms that you use for the rest of that program. |
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|
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# A lot of this script is taken from autoconf-2.10. |
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|
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# Check that we are running under the correct shell. |
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SHELL=${CONFIG_SHELL-/bin/sh} |
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echo=echo |
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if test "X$1" = X--no-reexec; then |
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# Discard the --no-reexec flag, and continue. |
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shift |
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elif test "X$1" = X--fallback-echo; then |
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# Avoid inline document here, it may be left over |
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: |
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elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then |
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# Yippee, $echo works! |
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: |
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else |
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# Restart under the correct shell. |
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exec "$SHELL" "$0" --no-reexec ${1+"$@"} |
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fi |
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|
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if test "X$1" = X--fallback-echo; then |
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# used as fallback echo |
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shift |
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cat <<EOF |
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$* |
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EOF |
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exit 0 |
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fi |
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|
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# Find the correct PATH separator. Usually this is `:', but |
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# DJGPP uses `;' like DOS. |
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if test "X${PATH_SEPARATOR+set}" != "Xset"; then |
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UNAME=${UNAME-`uname 2>/dev/null`} |
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case X$UNAME in |
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*-DOS) PATH_SEPARATOR=';' ;; |
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*) PATH_SEPARATOR=':' ;; |
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esac |
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fi |
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|
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# The HP-UX ksh and POSIX shell print the target directory to stdout |
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# if CDPATH is set. |
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if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi |
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|
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if test "X${echo_test_string+set}" != "Xset"; then |
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# find a string as large as possible, as long as the shell can cope with it |
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for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do |
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# expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ... |
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if (echo_test_string="`eval $cmd`") 2>/dev/null && |
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echo_test_string="`eval $cmd`" && |
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(test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then |
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break |
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fi |
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done |
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fi |
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|
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if test "X`($echo '\t') 2>/dev/null`" != 'X\t' || |
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test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then |
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# The Solaris, AIX, and Digital Unix default echo programs unquote |
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# backslashes. This makes it impossible to quote backslashes using |
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# echo "$something" | sed 's/\\/\\\\/g' |
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# |
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# So, first we look for a working echo in the user's PATH. |
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|
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IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" |
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for dir in $PATH /usr/ucb; do |
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if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && |
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test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && |
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test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then |
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echo="$dir/echo" |
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break |
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fi |
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done |
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IFS="$save_ifs" |
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|
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if test "X$echo" = Xecho; then |
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# We didn't find a better echo, so look for alternatives. |
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if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && |
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test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then |
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# This shell has a builtin print -r that does the trick. |
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echo='print -r' |
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elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) && |
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test "X$CONFIG_SHELL" != X/bin/ksh; then |
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# If we have ksh, try running ltconfig again with it. |
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ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}" |
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export ORIGINAL_CONFIG_SHELL |
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CONFIG_SHELL=/bin/ksh |
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export CONFIG_SHELL |
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exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"} |
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else |
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# Try using printf. |
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echo='printf "%s\n"' |
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if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && |
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test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then |
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# Cool, printf works |
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: |
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elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && |
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test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then |
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CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL" |
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export CONFIG_SHELL |
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SHELL="$CONFIG_SHELL" |
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export SHELL |
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echo="$CONFIG_SHELL $0 --fallback-echo" |
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elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && |
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test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then |
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echo="$CONFIG_SHELL $0 --fallback-echo" |
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else |
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# maybe with a smaller string... |
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prev=: |
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|
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for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do |
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if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then |
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break |
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fi |
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prev="$cmd" |
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done |
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|
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if test "$prev" != 'sed 50q "$0"'; then |
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echo_test_string=`eval $prev` |
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export echo_test_string |
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exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"} |
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else |
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# Oops. We lost completely, so just stick with echo. |
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echo=echo |
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fi |
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fi |
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fi |
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fi |
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fi |
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|
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# Sed substitution that helps us do robust quoting. It backslashifies |
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# metacharacters that are still active within double-quoted strings. |
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Xsed='sed -e s/^X//' |
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sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g' |
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|
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# Same as above, but do not quote variable references. |
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double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g' |
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|
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# Sed substitution to delay expansion of an escaped shell variable in a |
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# double_quote_subst'ed string. |
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delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' |
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|
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# The name of this program. |
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progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'` |
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|
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# Constants: |
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PROGRAM=ltconfig |
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PACKAGE=libtool |
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VERSION=1.3.3 |
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TIMESTAMP=" (1.385.2.181 1999/07/02 15:49:11)" |
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ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5' |
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ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5' |
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rm="rm -f" |
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|
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help="Try \`$progname --help' for more information." |
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|
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# Global variables: |
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default_ofile=libtool |
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can_build_shared=yes |
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enable_shared=yes |
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# All known linkers require a `.a' archive for static linking (except M$VC, |
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# which needs '.lib'). |
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enable_static=yes |
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enable_fast_install=yes |
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enable_dlopen=unknown |
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enable_win32_dll=no |
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ltmain= |
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silent= |
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srcdir= |
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ac_config_guess= |
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ac_config_sub= |
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host= |
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nonopt= |
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ofile="$default_ofile" |
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verify_host=yes |
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with_gcc=no |
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with_gnu_ld=no |
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need_locks=yes |
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ac_ext=c |
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objext=o |
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libext=a |
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exeext= |
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cache_file= |
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|
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old_AR="$AR" |
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old_CC="$CC" |
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old_CFLAGS="$CFLAGS" |
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old_CPPFLAGS="$CPPFLAGS" |
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old_LDFLAGS="$LDFLAGS" |
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old_LD="$LD" |
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old_LN_S="$LN_S" |
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old_LIBS="$LIBS" |
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old_NM="$NM" |
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old_RANLIB="$RANLIB" |
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old_DLLTOOL="$DLLTOOL" |
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old_OBJDUMP="$OBJDUMP" |
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old_AS="$AS" |
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|
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# Parse the command line options. |
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args= |
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prev= |
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for option |
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do |
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case "$option" in |
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-*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;; |
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*) optarg= ;; |
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esac |
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|
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# If the previous option needs an argument, assign it. |
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if test -n "$prev"; then |
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eval "$prev=\$option" |
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prev= |
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continue |
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fi |
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|
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case "$option" in |
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--help) cat <<EOM |
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Usage: $progname [OPTION]... [HOST [LTMAIN]] |
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|
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Generate a system-specific libtool script. |
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|
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--debug enable verbose shell tracing |
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--disable-shared do not build shared libraries |
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--disable-static do not build static libraries |
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--disable-fast-install do not optimize for fast installation |
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--enable-dlopen enable dlopen support |
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--enable-win32-dll enable building dlls on win32 hosts |
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--help display this help and exit |
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--no-verify do not verify that HOST is a valid host type |
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-o, --output=FILE specify the output file [default=$default_ofile] |
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--quiet same as \`--silent' |
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--silent do not print informational messages |
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--srcdir=DIR find \`config.guess' in DIR |
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--version output version information and exit |
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--with-gcc assume that the GNU C compiler will be used |
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--with-gnu-ld assume that the C compiler uses the GNU linker |
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--disable-lock disable file locking |
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--cache-file=FILE configure cache file |
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|
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LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program |
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that provides basic libtool functionality. |
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|
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HOST is the canonical host system name [default=guessed]. |
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EOM |
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exit 0 |
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;; |
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|
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--debug) |
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echo "$progname: enabling shell trace mode" |
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set -x |
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;; |
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|
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--disable-shared) enable_shared=no ;; |
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|
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--disable-static) enable_static=no ;; |
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|
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--disable-fast-install) enable_fast_install=no ;; |
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|
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--enable-dlopen) enable_dlopen=yes ;; |
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|
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--enable-win32-dll) enable_win32_dll=yes ;; |
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|
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--quiet | --silent) silent=yes ;; |
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|
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--srcdir) prev=srcdir ;; |
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--srcdir=*) srcdir="$optarg" ;; |
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|
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--no-verify) verify_host=no ;; |
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|
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--output | -o) prev=ofile ;; |
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--output=*) ofile="$optarg" ;; |
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|
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--version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;; |
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|
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--with-gcc) with_gcc=yes ;; |
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--with-gnu-ld) with_gnu_ld=yes ;; |
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|
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--disable-lock) need_locks=no ;; |
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|
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--cache-file=*) cache_file="$optarg" ;; |
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|
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-*) |
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echo "$progname: unrecognized option \`$option'" 1>&2 |
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echo "$help" 1>&2 |
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exit 1 |
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;; |
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|
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*) |
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if test -z "$ltmain"; then |
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ltmain="$option" |
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elif test -z "$host"; then |
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# This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1 |
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# if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then |
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# echo "$progname: warning \`$option' is not a valid host type" 1>&2 |
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# fi |
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host="$option" |
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else |
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echo "$progname: too many arguments" 1>&2 |
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echo "$help" 1>&2 |
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exit 1 |
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fi ;; |
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esac |
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done |
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|
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if test -z "$ltmain"; then |
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echo "$progname: you must specify a LTMAIN file" 1>&2 |
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echo "$help" 1>&2 |
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exit 1 |
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fi |
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|
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if test ! -f "$ltmain"; then |
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echo "$progname: \`$ltmain' does not exist" 1>&2 |
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echo "$help" 1>&2 |
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exit 1 |
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fi |
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|
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# Quote any args containing shell metacharacters. |
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ltconfig_args= |
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for arg |
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do |
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case "$arg" in |
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*" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*) |
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ltconfig_args="$ltconfig_args '$arg'" ;; |
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*) ltconfig_args="$ltconfig_args $arg" ;; |
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esac |
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done |
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|
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# A relevant subset of AC_INIT. |
352 |
|
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# File descriptor usage: |
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# 0 standard input |
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# 1 file creation |
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# 2 errors and warnings |
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# 3 some systems may open it to /dev/tty |
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# 4 used on the Kubota Titan |
359 |
# 5 compiler messages saved in config.log |
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# 6 checking for... messages and results |
361 |
if test "$silent" = yes; then |
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exec 6>/dev/null |
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else |
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exec 6>&1 |
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fi |
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exec 5>>./config.log |
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|
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# NLS nuisances. |
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# Only set LANG and LC_ALL to C if already set. |
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# These must not be set unconditionally because not all systems understand |
371 |
# e.g. LANG=C (notably SCO). |
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if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi |
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if test "${LANG+set}" = set; then LANG=C; export LANG; fi |
374 |
|
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if test -n "$cache_file" && test -r "$cache_file"; then |
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echo "loading cache $cache_file within ltconfig" |
377 |
. $cache_file |
378 |
fi |
379 |
|
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if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then |
381 |
# Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. |
382 |
if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then |
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ac_n= ac_c=' |
384 |
' ac_t=' ' |
385 |
else |
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ac_n=-n ac_c= ac_t= |
387 |
fi |
388 |
else |
389 |
ac_n= ac_c='\c' ac_t= |
390 |
fi |
391 |
|
392 |
if test -z "$srcdir"; then |
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# Assume the source directory is the same one as the path to LTMAIN. |
394 |
srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'` |
395 |
test "$srcdir" = "$ltmain" && srcdir=. |
396 |
fi |
397 |
|
398 |
trap "$rm conftest*; exit 1" 1 2 15 |
399 |
if test "$verify_host" = yes; then |
400 |
# Check for config.guess and config.sub. |
401 |
ac_aux_dir= |
402 |
for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do |
403 |
if test -f $ac_dir/config.guess; then |
404 |
ac_aux_dir=$ac_dir |
405 |
break |
406 |
fi |
407 |
done |
408 |
if test -z "$ac_aux_dir"; then |
409 |
echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2 |
410 |
echo "$help" 1>&2 |
411 |
exit 1 |
412 |
fi |
413 |
ac_config_guess=$ac_aux_dir/config.guess |
414 |
ac_config_sub=$ac_aux_dir/config.sub |
415 |
|
416 |
# Make sure we can run config.sub. |
417 |
if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then : |
418 |
else |
419 |
echo "$progname: cannot run $ac_config_sub" 1>&2 |
420 |
echo "$help" 1>&2 |
421 |
exit 1 |
422 |
fi |
423 |
|
424 |
echo $ac_n "checking host system type""... $ac_c" 1>&6 |
425 |
|
426 |
host_alias=$host |
427 |
case "$host_alias" in |
428 |
"") |
429 |
if host_alias=`$SHELL $ac_config_guess`; then : |
430 |
else |
431 |
echo "$progname: cannot guess host type; you must specify one" 1>&2 |
432 |
echo "$help" 1>&2 |
433 |
exit 1 |
434 |
fi ;; |
435 |
esac |
436 |
host=`$SHELL $ac_config_sub $host_alias` |
437 |
echo "$ac_t$host" 1>&6 |
438 |
|
439 |
# Make sure the host verified. |
440 |
test -z "$host" && exit 1 |
441 |
|
442 |
elif test -z "$host"; then |
443 |
echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2 |
444 |
echo "$help" 1>&2 |
445 |
exit 1 |
446 |
else |
447 |
host_alias=$host |
448 |
fi |
449 |
|
450 |
# Transform linux* to *-*-linux-gnu*, to support old configure scripts. |
451 |
case "$host_os" in |
452 |
linux-gnu*) ;; |
453 |
linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` |
454 |
esac |
455 |
|
456 |
host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` |
457 |
host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` |
458 |
host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` |
459 |
|
460 |
case "$host_os" in |
461 |
aix3*) |
462 |
# AIX sometimes has problems with the GCC collect2 program. For some |
463 |
# reason, if we set the COLLECT_NAMES environment variable, the problems |
464 |
# vanish in a puff of smoke. |
465 |
if test "${COLLECT_NAMES+set}" != set; then |
466 |
COLLECT_NAMES= |
467 |
export COLLECT_NAMES |
468 |
fi |
469 |
;; |
470 |
esac |
471 |
|
472 |
# Determine commands to create old-style static archives. |
473 |
old_archive_cmds='$AR cru $oldlib$oldobjs' |
474 |
old_postinstall_cmds='chmod 644 $oldlib' |
475 |
old_postuninstall_cmds= |
476 |
|
477 |
# Set a sane default for `AR'. |
478 |
test -z "$AR" && AR=ar |
479 |
|
480 |
# Set a sane default for `OBJDUMP'. |
481 |
test -z "$OBJDUMP" && OBJDUMP=objdump |
482 |
|
483 |
# If RANLIB is not set, then run the test. |
484 |
if test "${RANLIB+set}" != "set"; then |
485 |
result=no |
486 |
|
487 |
echo $ac_n "checking for ranlib... $ac_c" 1>&6 |
488 |
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" |
489 |
for dir in $PATH; do |
490 |
test -z "$dir" && dir=. |
491 |
if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then |
492 |
RANLIB="ranlib" |
493 |
result="ranlib" |
494 |
break |
495 |
fi |
496 |
done |
497 |
IFS="$save_ifs" |
498 |
|
499 |
echo "$ac_t$result" 1>&6 |
500 |
fi |
501 |
|
502 |
if test -n "$RANLIB"; then |
503 |
old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" |
504 |
old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" |
505 |
fi |
506 |
|
507 |
# Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin. |
508 |
test -z "$DLLTOOL" && DLLTOOL=dlltool |
509 |
test -z "$OBJDUMP" && OBJDUMP=objdump |
510 |
test -z "$AS" && AS=as |
511 |
|
512 |
# Check to see if we are using GCC. |
513 |
if test "$with_gcc" != yes || test -z "$CC"; then |
514 |
# If CC is not set, then try to find GCC or a usable CC. |
515 |
if test -z "$CC"; then |
516 |
echo $ac_n "checking for gcc... $ac_c" 1>&6 |
517 |
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" |
518 |
for dir in $PATH; do |
519 |
test -z "$dir" && dir=. |
520 |
if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then |
521 |
CC="gcc" |
522 |
break |
523 |
fi |
524 |
done |
525 |
IFS="$save_ifs" |
526 |
|
527 |
if test -n "$CC"; then |
528 |
echo "$ac_t$CC" 1>&6 |
529 |
else |
530 |
echo "$ac_t"no 1>&6 |
531 |
fi |
532 |
fi |
533 |
|
534 |
# Not "gcc", so try "cc", rejecting "/usr/ucb/cc". |
535 |
if test -z "$CC"; then |
536 |
echo $ac_n "checking for cc... $ac_c" 1>&6 |
537 |
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" |
538 |
cc_rejected=no |
539 |
for dir in $PATH; do |
540 |
test -z "$dir" && dir=. |
541 |
if test -f $dir/cc || test -f $dir/cc$ac_exeext; then |
542 |
if test "$dir/cc" = "/usr/ucb/cc"; then |
543 |
cc_rejected=yes |
544 |
continue |
545 |
fi |
546 |
CC="cc" |
547 |
break |
548 |
fi |
549 |
done |
550 |
IFS="$save_ifs" |
551 |
if test $cc_rejected = yes; then |
552 |
# We found a bogon in the path, so make sure we never use it. |
553 |
set dummy $CC |
554 |
shift |
555 |
if test $# -gt 0; then |
556 |
# We chose a different compiler from the bogus one. |
557 |
# However, it has the same name, so the bogon will be chosen |
558 |
# first if we set CC to just the name; use the full file name. |
559 |
shift |
560 |
set dummy "$dir/cc" "$@" |
561 |
shift |
562 |
CC="$@" |
563 |
fi |
564 |
fi |
565 |
|
566 |
if test -n "$CC"; then |
567 |
echo "$ac_t$CC" 1>&6 |
568 |
else |
569 |
echo "$ac_t"no 1>&6 |
570 |
fi |
571 |
|
572 |
if test -z "$CC"; then |
573 |
echo "$progname: error: no acceptable cc found in \$PATH" 1>&2 |
574 |
exit 1 |
575 |
fi |
576 |
fi |
577 |
|
578 |
# Now see if the compiler is really GCC. |
579 |
with_gcc=no |
580 |
echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6 |
581 |
echo "$progname:581: checking whether we are using GNU C" >&5 |
582 |
|
583 |
$rm conftest.c |
584 |
cat > conftest.c <<EOF |
585 |
#ifdef __GNUC__ |
586 |
yes; |
587 |
#endif |
588 |
EOF |
589 |
if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then |
590 |
with_gcc=yes |
591 |
fi |
592 |
$rm conftest.c |
593 |
echo "$ac_t$with_gcc" 1>&6 |
594 |
fi |
595 |
|
596 |
# Allow CC to be a program name with arguments. |
597 |
set dummy $CC |
598 |
compiler="$2" |
599 |
|
600 |
echo $ac_n "checking for object suffix... $ac_c" 1>&6 |
601 |
$rm conftest* |
602 |
echo 'int i = 1;' > conftest.c |
603 |
echo "$progname:603: checking for object suffix" >& 5 |
604 |
if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then |
605 |
# Append any warnings to the config.log. |
606 |
cat conftest.err 1>&5 |
607 |
|
608 |
for ac_file in conftest.*; do |
609 |
case $ac_file in |
610 |
*.c) ;; |
611 |
*) objext=`echo $ac_file | sed -e s/conftest.//` ;; |
612 |
esac |
613 |
done |
614 |
else |
615 |
cat conftest.err 1>&5 |
616 |
echo "$progname: failed program was:" >&5 |
617 |
cat conftest.c >&5 |
618 |
fi |
619 |
$rm conftest* |
620 |
echo "$ac_t$objext" 1>&6 |
621 |
|
622 |
echo $ac_n "checking for executable suffix... $ac_c" 1>&6 |
623 |
if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then |
624 |
echo $ac_n "(cached) $ac_c" 1>&6 |
625 |
else |
626 |
ac_cv_exeext="no" |
627 |
$rm conftest* |
628 |
echo 'main () { return 0; }' > conftest.c |
629 |
echo "$progname:629: checking for executable suffix" >& 5 |
630 |
if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then |
631 |
# Append any warnings to the config.log. |
632 |
cat conftest.err 1>&5 |
633 |
|
634 |
for ac_file in conftest.*; do |
635 |
case $ac_file in |
636 |
*.c | *.err | *.$objext ) ;; |
637 |
*) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;; |
638 |
esac |
639 |
done |
640 |
else |
641 |
cat conftest.err 1>&5 |
642 |
echo "$progname: failed program was:" >&5 |
643 |
cat conftest.c >&5 |
644 |
fi |
645 |
$rm conftest* |
646 |
fi |
647 |
if test "X$ac_cv_exeext" = Xno; then |
648 |
exeext="" |
649 |
else |
650 |
exeext="$ac_cv_exeext" |
651 |
fi |
652 |
echo "$ac_t$ac_cv_exeext" 1>&6 |
653 |
|
654 |
echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6 |
655 |
pic_flag= |
656 |
special_shlib_compile_flags= |
657 |
wl= |
658 |
link_static_flag= |
659 |
no_builtin_flag= |
660 |
|
661 |
if test "$with_gcc" = yes; then |
662 |
wl='-Wl,' |
663 |
link_static_flag='-static' |
664 |
|
665 |
case "$host_os" in |
666 |
beos* | irix5* | irix6* | osf3* | osf4*) |
667 |
# PIC is the default for these OSes. |
668 |
;; |
669 |
aix*) |
670 |
# Below there is a dirty hack to force normal static linking with -ldl |
671 |
# The problem is because libdl dynamically linked with both libc and |
672 |
# libC (AIX C++ library), which obviously doesn't included in libraries |
673 |
# list by gcc. This cause undefined symbols with -static flags. |
674 |
# This hack allows C programs to be linked with "-static -ldl", but |
675 |
# we not sure about C++ programs. |
676 |
link_static_flag="$link_static_flag ${wl}-lC" |
677 |
;; |
678 |
cygwin* | mingw* | os2*) |
679 |
# We can build DLLs from non-PIC. |
680 |
;; |
681 |
amigaos*) |
682 |
# FIXME: we need at least 68020 code to build shared libraries, but |
683 |
# adding the `-m68020' flag to GCC prevents building anything better, |
684 |
# like `-m68040'. |
685 |
pic_flag='-m68020 -resident32 -malways-restore-a4' |
686 |
;; |
687 |
sysv4*MP*) |
688 |
if test -d /usr/nec; then |
689 |
pic_flag=-Kconform_pic |
690 |
fi |
691 |
;; |
692 |
*) |
693 |
pic_flag='-fPIC' |
694 |
;; |
695 |
esac |
696 |
else |
697 |
# PORTME Check for PIC flags for the system compiler. |
698 |
case "$host_os" in |
699 |
aix3* | aix4*) |
700 |
# All AIX code is PIC. |
701 |
link_static_flag='-bnso -bI:/lib/syscalls.exp' |
702 |
;; |
703 |
|
704 |
hpux9* | hpux10* | hpux11*) |
705 |
# Is there a better link_static_flag that works with the bundled CC? |
706 |
wl='-Wl,' |
707 |
link_static_flag="${wl}-a ${wl}archive" |
708 |
pic_flag='+Z' |
709 |
;; |
710 |
|
711 |
irix5* | irix6*) |
712 |
wl='-Wl,' |
713 |
link_static_flag='-non_shared' |
714 |
# PIC (with -KPIC) is the default. |
715 |
;; |
716 |
|
717 |
cygwin* | mingw* | os2*) |
718 |
# We can build DLLs from non-PIC. |
719 |
;; |
720 |
|
721 |
osf3* | osf4*) |
722 |
# All OSF/1 code is PIC. |
723 |
wl='-Wl,' |
724 |
link_static_flag='-non_shared' |
725 |
;; |
726 |
|
727 |
sco3.2v5*) |
728 |
pic_flag='-Kpic' |
729 |
link_static_flag='-dn' |
730 |
special_shlib_compile_flags='-belf' |
731 |
;; |
732 |
|
733 |
solaris*) |
734 |
pic_flag='-KPIC' |
735 |
link_static_flag='-Bstatic' |
736 |
wl='-Wl,' |
737 |
;; |
738 |
|
739 |
sunos4*) |
740 |
pic_flag='-PIC' |
741 |
link_static_flag='-Bstatic' |
742 |
wl='-Qoption ld ' |
743 |
;; |
744 |
|
745 |
sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) |
746 |
pic_flag='-KPIC' |
747 |
link_static_flag='-Bstatic' |
748 |
wl='-Wl,' |
749 |
;; |
750 |
|
751 |
uts4*) |
752 |
pic_flag='-pic' |
753 |
link_static_flag='-Bstatic' |
754 |
;; |
755 |
sysv4*MP*) |
756 |
if test -d /usr/nec ;then |
757 |
pic_flag='-Kconform_pic' |
758 |
link_static_flag='-Bstatic' |
759 |
fi |
760 |
;; |
761 |
*) |
762 |
can_build_shared=no |
763 |
;; |
764 |
esac |
765 |
fi |
766 |
|
767 |
if test -n "$pic_flag"; then |
768 |
echo "$ac_t$pic_flag" 1>&6 |
769 |
|
770 |
# Check to make sure the pic_flag actually works. |
771 |
echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6 |
772 |
$rm conftest* |
773 |
echo "int some_variable = 0;" > conftest.c |
774 |
save_CFLAGS="$CFLAGS" |
775 |
CFLAGS="$CFLAGS $pic_flag -DPIC" |
776 |
echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5 |
777 |
if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then |
778 |
# Append any warnings to the config.log. |
779 |
cat conftest.err 1>&5 |
780 |
|
781 |
case "$host_os" in |
782 |
hpux9* | hpux10* | hpux11*) |
783 |
# On HP-UX, both CC and GCC only warn that PIC is supported... then they |
784 |
# create non-PIC objects. So, if there were any warnings, we assume that |
785 |
# PIC is not supported. |
786 |
if test -s conftest.err; then |
787 |
echo "$ac_t"no 1>&6 |
788 |
can_build_shared=no |
789 |
pic_flag= |
790 |
else |
791 |
echo "$ac_t"yes 1>&6 |
792 |
pic_flag=" $pic_flag" |
793 |
fi |
794 |
;; |
795 |
*) |
796 |
echo "$ac_t"yes 1>&6 |
797 |
pic_flag=" $pic_flag" |
798 |
;; |
799 |
esac |
800 |
else |
801 |
# Append any errors to the config.log. |
802 |
cat conftest.err 1>&5 |
803 |
can_build_shared=no |
804 |
pic_flag= |
805 |
echo "$ac_t"no 1>&6 |
806 |
fi |
807 |
CFLAGS="$save_CFLAGS" |
808 |
$rm conftest* |
809 |
else |
810 |
echo "$ac_t"none 1>&6 |
811 |
fi |
812 |
|
813 |
# Check to see if options -o and -c are simultaneously supported by compiler |
814 |
echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6 |
815 |
$rm -r conftest 2>/dev/null |
816 |
mkdir conftest |
817 |
cd conftest |
818 |
$rm conftest* |
819 |
echo "int some_variable = 0;" > conftest.c |
820 |
mkdir out |
821 |
# According to Tom Tromey, Ian Lance Taylor reported there are C compilers |
822 |
# that will create temporary files in the current directory regardless of |
823 |
# the output directory. Thus, making CWD read-only will cause this test |
824 |
# to fail, enabling locking or at least warning the user not to do parallel |
825 |
# builds. |
826 |
chmod -w . |
827 |
save_CFLAGS="$CFLAGS" |
828 |
CFLAGS="$CFLAGS -o out/conftest2.o" |
829 |
echo "$progname:829: checking if $compiler supports -c -o file.o" >&5 |
830 |
if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then |
831 |
|
832 |
# The compiler can only warn and ignore the option if not recognized |
833 |
# So say no if there are warnings |
834 |
if test -s out/conftest.err; then |
835 |
echo "$ac_t"no 1>&6 |
836 |
compiler_c_o=no |
837 |
else |
838 |
echo "$ac_t"yes 1>&6 |
839 |
compiler_c_o=yes |
840 |
fi |
841 |
else |
842 |
# Append any errors to the config.log. |
843 |
cat out/conftest.err 1>&5 |
844 |
compiler_c_o=no |
845 |
echo "$ac_t"no 1>&6 |
846 |
fi |
847 |
CFLAGS="$save_CFLAGS" |
848 |
chmod u+w . |
849 |
$rm conftest* out/* |
850 |
rmdir out |
851 |
cd .. |
852 |
rmdir conftest |
853 |
$rm -r conftest 2>/dev/null |
854 |
|
855 |
if test x"$compiler_c_o" = x"yes"; then |
856 |
# Check to see if we can write to a .lo |
857 |
echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6 |
858 |
$rm conftest* |
859 |
echo "int some_variable = 0;" > conftest.c |
860 |
save_CFLAGS="$CFLAGS" |
861 |
CFLAGS="$CFLAGS -c -o conftest.lo" |
862 |
echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5 |
863 |
if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then |
864 |
|
865 |
# The compiler can only warn and ignore the option if not recognized |
866 |
# So say no if there are warnings |
867 |
if test -s conftest.err; then |
868 |
echo "$ac_t"no 1>&6 |
869 |
compiler_o_lo=no |
870 |
else |
871 |
echo "$ac_t"yes 1>&6 |
872 |
compiler_o_lo=yes |
873 |
fi |
874 |
else |
875 |
# Append any errors to the config.log. |
876 |
cat conftest.err 1>&5 |
877 |
compiler_o_lo=no |
878 |
echo "$ac_t"no 1>&6 |
879 |
fi |
880 |
CFLAGS="$save_CFLAGS" |
881 |
$rm conftest* |
882 |
else |
883 |
compiler_o_lo=no |
884 |
fi |
885 |
|
886 |
# Check to see if we can do hard links to lock some files if needed |
887 |
hard_links="nottested" |
888 |
if test "$compiler_c_o" = no && test "$need_locks" != no; then |
889 |
# do not overwrite the value of need_locks provided by the user |
890 |
echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6 |
891 |
hard_links=yes |
892 |
$rm conftest* |
893 |
ln conftest.a conftest.b 2>/dev/null && hard_links=no |
894 |
touch conftest.a |
895 |
ln conftest.a conftest.b 2>&5 || hard_links=no |
896 |
ln conftest.a conftest.b 2>/dev/null && hard_links=no |
897 |
echo "$ac_t$hard_links" 1>&6 |
898 |
$rm conftest* |
899 |
if test "$hard_links" = no; then |
900 |
echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2 |
901 |
need_locks=warn |
902 |
fi |
903 |
else |
904 |
need_locks=no |
905 |
fi |
906 |
|
907 |
if test "$with_gcc" = yes; then |
908 |
# Check to see if options -fno-rtti -fno-exceptions are supported by compiler |
909 |
echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6 |
910 |
$rm conftest* |
911 |
echo "int some_variable = 0;" > conftest.c |
912 |
save_CFLAGS="$CFLAGS" |
913 |
CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c" |
914 |
echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 |
915 |
if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then |
916 |
|
917 |
# The compiler can only warn and ignore the option if not recognized |
918 |
# So say no if there are warnings |
919 |
if test -s conftest.err; then |
920 |
echo "$ac_t"no 1>&6 |
921 |
compiler_rtti_exceptions=no |
922 |
else |
923 |
echo "$ac_t"yes 1>&6 |
924 |
compiler_rtti_exceptions=yes |
925 |
fi |
926 |
else |
927 |
# Append any errors to the config.log. |
928 |
cat conftest.err 1>&5 |
929 |
compiler_rtti_exceptions=no |
930 |
echo "$ac_t"no 1>&6 |
931 |
fi |
932 |
CFLAGS="$save_CFLAGS" |
933 |
$rm conftest* |
934 |
|
935 |
if test "$compiler_rtti_exceptions" = "yes"; then |
936 |
no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' |
937 |
else |
938 |
no_builtin_flag=' -fno-builtin' |
939 |
fi |
940 |
|
941 |
fi |
942 |
|
943 |
# Check for any special shared library compilation flags. |
944 |
if test -n "$special_shlib_compile_flags"; then |
945 |
echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2 |
946 |
if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then : |
947 |
else |
948 |
echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2 |
949 |
can_build_shared=no |
950 |
fi |
951 |
fi |
952 |
|
953 |
echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6 |
954 |
$rm conftest* |
955 |
echo 'main(){return(0);}' > conftest.c |
956 |
save_LDFLAGS="$LDFLAGS" |
957 |
LDFLAGS="$LDFLAGS $link_static_flag" |
958 |
echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5 |
959 |
if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then |
960 |
echo "$ac_t$link_static_flag" 1>&6 |
961 |
else |
962 |
echo "$ac_t"none 1>&6 |
963 |
link_static_flag= |
964 |
fi |
965 |
LDFLAGS="$save_LDFLAGS" |
966 |
$rm conftest* |
967 |
|
968 |
if test -z "$LN_S"; then |
969 |
# Check to see if we can use ln -s, or we need hard links. |
970 |
echo $ac_n "checking whether ln -s works... $ac_c" 1>&6 |
971 |
$rm conftest.dat |
972 |
if ln -s X conftest.dat 2>/dev/null; then |
973 |
$rm conftest.dat |
974 |
LN_S="ln -s" |
975 |
else |
976 |
LN_S=ln |
977 |
fi |
978 |
if test "$LN_S" = "ln -s"; then |
979 |
echo "$ac_t"yes 1>&6 |
980 |
else |
981 |
echo "$ac_t"no 1>&6 |
982 |
fi |
983 |
fi |
984 |
|
985 |
# Make sure LD is an absolute path. |
986 |
if test -z "$LD"; then |
987 |
ac_prog=ld |
988 |
if test "$with_gcc" = yes; then |
989 |
# Check if gcc -print-prog-name=ld gives a path. |
990 |
echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6 |
991 |
echo "$progname:991: checking for ld used by GCC" >&5 |
992 |
ac_prog=`($CC -print-prog-name=ld) 2>&5` |
993 |
case "$ac_prog" in |
994 |
# Accept absolute paths. |
995 |
[\\/]* | [A-Za-z]:[\\/]*) |
996 |
re_direlt='/[^/][^/]*/\.\./' |
997 |
# Canonicalize the path of ld |
998 |
ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` |
999 |
while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do |
1000 |
ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` |
1001 |
done |
1002 |
test -z "$LD" && LD="$ac_prog" |
1003 |
;; |
1004 |
"") |
1005 |
# If it fails, then pretend we are not using GCC. |
1006 |
ac_prog=ld |
1007 |
;; |
1008 |
*) |
1009 |
# If it is relative, then search for the first ld in PATH. |
1010 |
with_gnu_ld=unknown |
1011 |
;; |
1012 |
esac |
1013 |
elif test "$with_gnu_ld" = yes; then |
1014 |
echo $ac_n "checking for GNU ld... $ac_c" 1>&6 |
1015 |
echo "$progname:1015: checking for GNU ld" >&5 |
1016 |
else |
1017 |
echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6 |
1018 |
echo "$progname:1018: checking for non-GNU ld" >&5 |
1019 |
fi |
1020 |
|
1021 |
if test -z "$LD"; then |
1022 |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" |
1023 |
for ac_dir in $PATH; do |
1024 |
test -z "$ac_dir" && ac_dir=. |
1025 |
if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then |
1026 |
LD="$ac_dir/$ac_prog" |
1027 |
# Check to see if the program is GNU ld. I'd rather use --version, |
1028 |
# but apparently some GNU ld's only accept -v. |
1029 |
# Break only if it was the GNU/non-GNU ld that we prefer. |
1030 |
if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then |
1031 |
test "$with_gnu_ld" != no && break |
1032 |
else |
1033 |
test "$with_gnu_ld" != yes && break |
1034 |
fi |
1035 |
fi |
1036 |
done |
1037 |
IFS="$ac_save_ifs" |
1038 |
fi |
1039 |
|
1040 |
if test -n "$LD"; then |
1041 |
echo "$ac_t$LD" 1>&6 |
1042 |
else |
1043 |
echo "$ac_t"no 1>&6 |
1044 |
fi |
1045 |
|
1046 |
if test -z "$LD"; then |
1047 |
echo "$progname: error: no acceptable ld found in \$PATH" 1>&2 |
1048 |
exit 1 |
1049 |
fi |
1050 |
fi |
1051 |
|
1052 |
# Check to see if it really is or is not GNU ld. |
1053 |
echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6 |
1054 |
# I'd rather use --version here, but apparently some GNU ld's only accept -v. |
1055 |
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then |
1056 |
with_gnu_ld=yes |
1057 |
else |
1058 |
with_gnu_ld=no |
1059 |
fi |
1060 |
echo "$ac_t$with_gnu_ld" 1>&6 |
1061 |
|
1062 |
# See if the linker supports building shared libraries. |
1063 |
echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6 |
1064 |
|
1065 |
allow_undefined_flag= |
1066 |
no_undefined_flag= |
1067 |
need_lib_prefix=unknown |
1068 |
need_version=unknown |
1069 |
# when you set need_version to no, make sure it does not cause -set_version |
1070 |
# flags to be left without arguments |
1071 |
archive_cmds= |
1072 |
archive_expsym_cmds= |
1073 |
old_archive_from_new_cmds= |
1074 |
export_dynamic_flag_spec= |
1075 |
whole_archive_flag_spec= |
1076 |
thread_safe_flag_spec= |
1077 |
hardcode_libdir_flag_spec= |
1078 |
hardcode_libdir_separator= |
1079 |
hardcode_direct=no |
1080 |
hardcode_minus_L=no |
1081 |
hardcode_shlibpath_var=unsupported |
1082 |
runpath_var= |
1083 |
always_export_symbols=no |
1084 |
export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' |
1085 |
# include_expsyms should be a list of space-separated symbols to be *always* |
1086 |
# included in the symbol list |
1087 |
include_expsyms= |
1088 |
# exclude_expsyms can be an egrep regular expression of symbols to exclude |
1089 |
# it will be wrapped by ` (' and `)$', so one must not match beginning or |
1090 |
# end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', |
1091 |
# as well as any symbol that contains `d'. |
1092 |
exclude_expsyms="_GLOBAL_OFFSET_TABLE_" |
1093 |
# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out |
1094 |
# platforms (ab)use it in PIC code, but their linkers get confused if |
1095 |
# the symbol is explicitly referenced. Since portable code cannot |
1096 |
# rely on this symbol name, it's probably fine to never include it in |
1097 |
# preloaded symbol tables. |
1098 |
|
1099 |
case "$host_os" in |
1100 |
cygwin* | mingw*) |
1101 |
# FIXME: the MSVC++ port hasn't been tested in a loooong time |
1102 |
# When not using gcc, we currently assume that we are using |
1103 |
# Microsoft Visual C++. |
1104 |
if test "$with_gcc" != yes; then |
1105 |
with_gnu_ld=no |
1106 |
fi |
1107 |
;; |
1108 |
|
1109 |
esac |
1110 |
|
1111 |
ld_shlibs=yes |
1112 |
if test "$with_gnu_ld" = yes; then |
1113 |
# If archive_cmds runs LD, not CC, wlarc should be empty |
1114 |
wlarc='${wl}' |
1115 |
|
1116 |
# See if GNU ld supports shared libraries. |
1117 |
case "$host_os" in |
1118 |
aix3* | aix4*) |
1119 |
# On AIX, the GNU linker is very broken |
1120 |
ld_shlibs=no |
1121 |
cat <<EOF 1>&2 |
1122 |
|
1123 |
*** Warning: the GNU linker, at least up to release 2.9.1, is reported |
1124 |
*** to be unable to reliably create shared libraries on AIX. |
1125 |
*** Therefore, libtool is disabling shared libraries support. If you |
1126 |
*** really care for shared libraries, you may want to modify your PATH |
1127 |
*** so that a non-GNU linker is found, and then restart. |
1128 |
|
1129 |
EOF |
1130 |
;; |
1131 |
|
1132 |
amigaos*) |
1133 |
archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' |
1134 |
hardcode_libdir_flag_spec='-L$libdir' |
1135 |
hardcode_minus_L=yes |
1136 |
|
1137 |
# Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports |
1138 |
# that the semantics of dynamic libraries on AmigaOS, at least up |
1139 |
# to version 4, is to share data among multiple programs linked |
1140 |
# with the same dynamic library. Since this doesn't match the |
1141 |
# behavior of shared libraries on other platforms, we can use |
1142 |
# them. |
1143 |
ld_shlibs=no |
1144 |
;; |
1145 |
|
1146 |
beos*) |
1147 |
if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then |
1148 |
allow_undefined_flag=unsupported |
1149 |
# Joseph Beckenbach <jrb3@best.com> says some releases of gcc |
1150 |
# support --undefined. This deserves some investigation. FIXME |
1151 |
archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' |
1152 |
else |
1153 |
ld_shlibs=no |
1154 |
fi |
1155 |
;; |
1156 |
|
1157 |
cygwin* | mingw*) |
1158 |
# hardcode_libdir_flag_spec is actually meaningless, as there is |
1159 |
# no search path for DLLs. |
1160 |
hardcode_libdir_flag_spec='-L$libdir' |
1161 |
allow_undefined_flag=unsupported |
1162 |
always_export_symbols=yes |
1163 |
|
1164 |
# Extract the symbol export list from an `--export-all' def file, |
1165 |
# then regenerate the def file from the symbol export list, so that |
1166 |
# the compiled dll only exports the symbol export list. |
1167 |
export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ |
1168 |
test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~ |
1169 |
$DLLTOOL --export-all --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def $objdir/$soname-ltdll.$objext $libobjs $convenience~ |
1170 |
sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols' |
1171 |
|
1172 |
archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~ |
1173 |
_lt_hint=1; |
1174 |
for symbol in `cat $export_symbols`; do |
1175 |
echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def; |
1176 |
_lt_hint=`expr 1 + \$_lt_hint`; |
1177 |
done~ |
1178 |
test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ |
1179 |
test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~ |
1180 |
$CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ |
1181 |
$DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ |
1182 |
$CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ |
1183 |
$DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ |
1184 |
$CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts' |
1185 |
|
1186 |
old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a' |
1187 |
;; |
1188 |
|
1189 |
netbsd*) |
1190 |
if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then |
1191 |
archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' |
1192 |
archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' |
1193 |
else |
1194 |
archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib' |
1195 |
# can we support soname and/or expsyms with a.out? -oliva |
1196 |
fi |
1197 |
;; |
1198 |
|
1199 |
solaris*) |
1200 |
if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then |
1201 |
ld_shlibs=no |
1202 |
cat <<EOF 1>&2 |
1203 |
|
1204 |
*** Warning: The releases 2.8.* of the GNU linker cannot reliably |
1205 |
*** create shared libraries on Solaris systems. Therefore, libtool |
1206 |
*** is disabling shared libraries support. We urge you to upgrade GNU |
1207 |
*** binutils to release 2.9.1 or newer. Another option is to modify |
1208 |
*** your PATH or compiler configuration so that the native linker is |
1209 |
*** used, and then restart. |
1210 |
|
1211 |
EOF |
1212 |
elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then |
1213 |
archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' |
1214 |
archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' |
1215 |
else |
1216 |
ld_shlibs=no |
1217 |
fi |
1218 |
;; |
1219 |
|
1220 |
sunos4*) |
1221 |
archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts' |
1222 |
wlarc= |
1223 |
hardcode_direct=yes |
1224 |
hardcode_shlibpath_var=no |
1225 |
;; |
1226 |
|
1227 |
*) |
1228 |
if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then |
1229 |
archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' |
1230 |
archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' |
1231 |
else |
1232 |
ld_shlibs=no |
1233 |
fi |
1234 |
;; |
1235 |
esac |
1236 |
|
1237 |
if test "$ld_shlibs" = yes; then |
1238 |
runpath_var=LD_RUN_PATH |
1239 |
hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' |
1240 |
export_dynamic_flag_spec='${wl}--export-dynamic' |
1241 |
case $host_os in |
1242 |
cygwin* | mingw*) |
1243 |
# dlltool doesn't understand --whole-archive et. al. |
1244 |
whole_archive_flag_spec= |
1245 |
;; |
1246 |
*) |
1247 |
whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' |
1248 |
;; |
1249 |
esac |
1250 |
fi |
1251 |
else |
1252 |
# PORTME fill in a description of your system's linker (not GNU ld) |
1253 |
case "$host_os" in |
1254 |
aix3*) |
1255 |
allow_undefined_flag=unsupported |
1256 |
always_export_symbols=yes |
1257 |
archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname' |
1258 |
# Note: this linker hardcodes the directories in LIBPATH if there |
1259 |
# are no directories specified by -L. |
1260 |
hardcode_minus_L=yes |
1261 |
if test "$with_gcc" = yes && test -z "$link_static_flag"; then |
1262 |
# Neither direct hardcoding nor static linking is supported with a |
1263 |
# broken collect2. |
1264 |
hardcode_direct=unsupported |
1265 |
fi |
1266 |
;; |
1267 |
|
1268 |
aix4*) |
1269 |
hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib' |
1270 |
hardcode_libdir_separator=':' |
1271 |
if test "$with_gcc" = yes; then |
1272 |
collect2name=`${CC} -print-prog-name=collect2` |
1273 |
if test -f "$collect2name" && \ |
1274 |
strings "$collect2name" | grep resolve_lib_name >/dev/null |
1275 |
then |
1276 |
# We have reworked collect2 |
1277 |
hardcode_direct=yes |
1278 |
else |
1279 |
# We have old collect2 |
1280 |
hardcode_direct=unsupported |
1281 |
# It fails to find uninstalled libraries when the uninstalled |
1282 |
# path is not listed in the libpath. Setting hardcode_minus_L |
1283 |
# to unsupported forces relinking |
1284 |
hardcode_minus_L=yes |
1285 |
hardcode_libdir_flag_spec='-L$libdir' |
1286 |
hardcode_libdir_separator= |
1287 |
fi |
1288 |
shared_flag='-shared' |
1289 |
else |
1290 |
shared_flag='${wl}-bM:SRE' |
1291 |
hardcode_direct=yes |
1292 |
fi |
1293 |
allow_undefined_flag=' ${wl}-berok' |
1294 |
archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}' |
1295 |
archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}' |
1296 |
case "$host_os" in aix4.[01]|aix4.[01].*) |
1297 |
# According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on |
1298 |
always_export_symbols=yes ;; |
1299 |
esac |
1300 |
;; |
1301 |
|
1302 |
amigaos*) |
1303 |
archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' |
1304 |
hardcode_libdir_flag_spec='-L$libdir' |
1305 |
hardcode_minus_L=yes |
1306 |
# see comment about different semantics on the GNU ld section |
1307 |
ld_shlibs=no |
1308 |
;; |
1309 |
|
1310 |
cygwin* | mingw*) |
1311 |
# When not using gcc, we currently assume that we are using |
1312 |
# Microsoft Visual C++. |
1313 |
# hardcode_libdir_flag_spec is actually meaningless, as there is |
1314 |
# no search path for DLLs. |
1315 |
hardcode_libdir_flag_spec=' ' |
1316 |
allow_undefined_flag=unsupported |
1317 |
# Tell ltmain to make .lib files, not .a files. |
1318 |
libext=lib |
1319 |
# FIXME: Setting linknames here is a bad hack. |
1320 |
archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' |
1321 |
# The linker will automatically build a .lib file if we build a DLL. |
1322 |
old_archive_from_new_cmds='true' |
1323 |
# FIXME: Should let the user specify the lib program. |
1324 |
old_archive_cmds='lib /OUT:$oldlib$oldobjs' |
1325 |
fix_srcfile_path='`cygpath -w $srcfile`' |
1326 |
;; |
1327 |
|
1328 |
freebsd1*) |
1329 |
ld_shlibs=no |
1330 |
;; |
1331 |
|
1332 |
# FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor |
1333 |
# support. Future versions do this automatically, but an explicit c++rt0.o |
1334 |
# does not break anything, and helps significantly (at the cost of a little |
1335 |
# extra space). |
1336 |
freebsd2.2*) |
1337 |
archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o' |
1338 |
hardcode_libdir_flag_spec='-R$libdir' |
1339 |
hardcode_direct=yes |
1340 |
hardcode_shlibpath_var=no |
1341 |
;; |
1342 |
|
1343 |
# Unfortunately, older versions of FreeBSD 2 do not have this feature. |
1344 |
freebsd2*) |
1345 |
archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' |
1346 |
hardcode_direct=yes |
1347 |
hardcode_minus_L=yes |
1348 |
hardcode_shlibpath_var=no |
1349 |
;; |
1350 |
|
1351 |
# FreeBSD 3 and greater uses gcc -shared to do shared libraries. |
1352 |
freebsd*) |
1353 |
archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts' |
1354 |
hardcode_libdir_flag_spec='-R$libdir' |
1355 |
hardcode_direct=yes |
1356 |
hardcode_shlibpath_var=no |
1357 |
;; |
1358 |
|
1359 |
hpux9* | hpux10* | hpux11*) |
1360 |
case "$host_os" in |
1361 |
hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;; |
1362 |
*) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;; |
1363 |
esac |
1364 |
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' |
1365 |
hardcode_libdir_separator=: |
1366 |
hardcode_direct=yes |
1367 |
hardcode_minus_L=yes # Not in the search PATH, but as the default |
1368 |
# location of the library. |
1369 |
export_dynamic_flag_spec='${wl}-E' |
1370 |
;; |
1371 |
|
1372 |
irix5* | irix6*) |
1373 |
if test "$with_gcc" = yes; then |
1374 |
archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' |
1375 |
else |
1376 |
archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' |
1377 |
fi |
1378 |
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' |
1379 |
hardcode_libdir_separator=: |
1380 |
;; |
1381 |
|
1382 |
netbsd*) |
1383 |
if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then |
1384 |
archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out |
1385 |
else |
1386 |
archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF |
1387 |
fi |
1388 |
hardcode_libdir_flag_spec='${wl}-R$libdir' |
1389 |
hardcode_direct=yes |
1390 |
hardcode_shlibpath_var=no |
1391 |
;; |
1392 |
|
1393 |
openbsd*) |
1394 |
archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' |
1395 |
hardcode_libdir_flag_spec='-R$libdir' |
1396 |
hardcode_direct=yes |
1397 |
hardcode_shlibpath_var=no |
1398 |
;; |
1399 |
|
1400 |
os2*) |
1401 |
hardcode_libdir_flag_spec='-L$libdir' |
1402 |
hardcode_minus_L=yes |
1403 |
allow_undefined_flag=unsupported |
1404 |
archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def' |
1405 |
old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def' |
1406 |
;; |
1407 |
|
1408 |
osf3* | osf4*) |
1409 |
if test "$with_gcc" = yes; then |
1410 |
allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' |
1411 |
archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' |
1412 |
else |
1413 |
allow_undefined_flag=' -expect_unresolved \*' |
1414 |
archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' |
1415 |
fi |
1416 |
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' |
1417 |
hardcode_libdir_separator=: |
1418 |
;; |
1419 |
|
1420 |
sco3.2v5*) |
1421 |
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' |
1422 |
hardcode_shlibpath_var=no |
1423 |
runpath_var=LD_RUN_PATH |
1424 |
hardcode_runpath_var=yes |
1425 |
;; |
1426 |
|
1427 |
solaris*) |
1428 |
no_undefined_flag=' -z text' |
1429 |
# $CC -shared without GNU ld will not create a library from C++ |
1430 |
# object files and a static libstdc++, better avoid it by now |
1431 |
archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts' |
1432 |
archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ |
1433 |
$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp' |
1434 |
hardcode_libdir_flag_spec='-R$libdir' |
1435 |
hardcode_shlibpath_var=no |
1436 |
case "$host_os" in |
1437 |
solaris2.[0-5] | solaris2.[0-5].*) ;; |
1438 |
*) # Supported since Solaris 2.6 (maybe 2.5.1?) |
1439 |
whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; |
1440 |
esac |
1441 |
;; |
1442 |
|
1443 |
sunos4*) |
1444 |
archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts' |
1445 |
hardcode_libdir_flag_spec='-L$libdir' |
1446 |
hardcode_direct=yes |
1447 |
hardcode_minus_L=yes |
1448 |
hardcode_shlibpath_var=no |
1449 |
;; |
1450 |
|
1451 |
sysv4) |
1452 |
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' |
1453 |
runpath_var='LD_RUN_PATH' |
1454 |
hardcode_shlibpath_var=no |
1455 |
hardcode_direct=no #Motorola manual says yes, but my tests say they lie |
1456 |
;; |
1457 |
|
1458 |
sysv4.3*) |
1459 |
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' |
1460 |
hardcode_shlibpath_var=no |
1461 |
export_dynamic_flag_spec='-Bexport' |
1462 |
;; |
1463 |
|
1464 |
uts4*) |
1465 |
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' |
1466 |
hardcode_libdir_flag_spec='-L$libdir' |
1467 |
hardcode_shlibpath_var=no |
1468 |
;; |
1469 |
|
1470 |
dgux*) |
1471 |
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' |
1472 |
hardcode_libdir_flag_spec='-L$libdir' |
1473 |
hardcode_shlibpath_var=no |
1474 |
;; |
1475 |
|
1476 |
sysv4*MP*) |
1477 |
if test -d /usr/nec ;then |
1478 |
# archive_cmds='$LD -G -z text -h $soname -o $lib$libobjs$deplibs' |
1479 |
archive_cmds='$LD -G -h $soname -o $lib$libobjs$deplibs' |
1480 |
hardcode_shlibpath_var=no |
1481 |
runpath_var=LD_RUN_PATH |
1482 |
hardcode_runpath_var=yes |
1483 |
ld_shlibs=yes |
1484 |
fi |
1485 |
;; |
1486 |
|
1487 |
*) |
1488 |
ld_shlibs=no |
1489 |
;; |
1490 |
esac |
1491 |
fi |
1492 |
echo "$ac_t$ld_shlibs" 1>&6 |
1493 |
test "$ld_shlibs" = no && can_build_shared=no |
1494 |
|
1495 |
if test -z "$NM"; then |
1496 |
echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6 |
1497 |
case "$NM" in |
1498 |
[\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path. |
1499 |
*) |
1500 |
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" |
1501 |
for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do |
1502 |
test -z "$ac_dir" && ac_dir=. |
1503 |
if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then |
1504 |
# Check to see if the nm accepts a BSD-compat flag. |
1505 |
# Adding the `sed 1q' prevents false positives on HP-UX, which says: |
1506 |
# nm: unknown option "B" ignored |
1507 |
if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
1508 |
NM="$ac_dir/nm -B" |
1509 |
break |
1510 |
elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
1511 |
NM="$ac_dir/nm -p" |
1512 |
break |
1513 |
else |
1514 |
NM=${NM="$ac_dir/nm"} # keep the first match, but |
1515 |
continue # so that we can try to find one that supports BSD flags |
1516 |
fi |
1517 |
fi |
1518 |
done |
1519 |
IFS="$ac_save_ifs" |
1520 |
test -z "$NM" && NM=nm |
1521 |
;; |
1522 |
esac |
1523 |
echo "$ac_t$NM" 1>&6 |
1524 |
fi |
1525 |
|
1526 |
# Check for command to grab the raw symbol name followed by C symbol from nm. |
1527 |
echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6 |
1528 |
|
1529 |
# These are sane defaults that work on at least a few old systems. |
1530 |
# [They come from Ultrix. What could be older than Ultrix?!! ;)] |
1531 |
|
1532 |
# Character class describing NM global symbol codes. |
1533 |
symcode='[BCDEGRST]' |
1534 |
|
1535 |
# Regexp to match symbols that can be accessed directly from C. |
1536 |
sympat='\([_A-Za-z][_A-Za-z0-9]*\)' |
1537 |
|
1538 |
# Transform the above into a raw symbol and a C symbol. |
1539 |
symxfrm='\1 \2\3 \3' |
1540 |
|
1541 |
# Transform an extracted symbol line into a proper C declaration |
1542 |
global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" |
1543 |
|
1544 |
# Define system-specific variables. |
1545 |
case "$host_os" in |
1546 |
aix*) |
1547 |
symcode='[BCDT]' |
1548 |
;; |
1549 |
cygwin* | mingw*) |
1550 |
symcode='[ABCDGISTW]' |
1551 |
;; |
1552 |
hpux*) # Its linker distinguishes data from code symbols |
1553 |
global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" |
1554 |
;; |
1555 |
irix*) |
1556 |
symcode='[BCDEGRST]' |
1557 |
;; |
1558 |
solaris*) |
1559 |
symcode='[BDT]' |
1560 |
;; |
1561 |
sysv4) |
1562 |
symcode='[DFNSTU]' |
1563 |
;; |
1564 |
esac |
1565 |
|
1566 |
# If we're using GNU nm, then use its standard symbol codes. |
1567 |
if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then |
1568 |
symcode='[ABCDGISTW]' |
1569 |
fi |
1570 |
|
1571 |
# Try without a prefix undercore, then with it. |
1572 |
for ac_symprfx in "" "_"; do |
1573 |
|
1574 |
# Write the raw and C identifiers. |
1575 |
global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'" |
1576 |
|
1577 |
# Check to see that the pipe works correctly. |
1578 |
pipe_works=no |
1579 |
$rm conftest* |
1580 |
cat > conftest.c <<EOF |
1581 |
#ifdef __cplusplus |
1582 |
extern "C" { |
1583 |
#endif |
1584 |
char nm_test_var; |
1585 |
void nm_test_func(){} |
1586 |
#ifdef __cplusplus |
1587 |
} |
1588 |
#endif |
1589 |
main(){nm_test_var='a';nm_test_func();return(0);} |
1590 |
EOF |
1591 |
|
1592 |
echo "$progname:1592: checking if global_symbol_pipe works" >&5 |
1593 |
if { (eval echo $progname:1593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then |
1594 |
# Now try to grab the symbols. |
1595 |
nlist=conftest.nm |
1596 |
if { echo "$progname:1596: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then |
1597 |
|
1598 |
# Try sorting and uniquifying the output. |
1599 |
if sort "$nlist" | uniq > "$nlist"T; then |
1600 |
mv -f "$nlist"T "$nlist" |
1601 |
else |
1602 |
rm -f "$nlist"T |
1603 |
fi |
1604 |
|
1605 |
# Make sure that we snagged all the symbols we need. |
1606 |
if egrep ' nm_test_var$' "$nlist" >/dev/null; then |
1607 |
if egrep ' nm_test_func$' "$nlist" >/dev/null; then |
1608 |
cat <<EOF > conftest.c |
1609 |
#ifdef __cplusplus |
1610 |
extern "C" { |
1611 |
#endif |
1612 |
|
1613 |
EOF |
1614 |
# Now generate the symbol file. |
1615 |
eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c' |
1616 |
|
1617 |
cat <<EOF >> conftest.c |
1618 |
#if defined (__STDC__) && __STDC__ |
1619 |
# define lt_ptr_t void * |
1620 |
#else |
1621 |
# define lt_ptr_t char * |
1622 |
# define const |
1623 |
#endif |
1624 |
|
1625 |
/* The mapping between symbol names and symbols. */ |
1626 |
const struct { |
1627 |
const char *name; |
1628 |
lt_ptr_t address; |
1629 |
} |
1630 |
lt_preloaded_symbols[] = |
1631 |
{ |
1632 |
EOF |
1633 |
sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c |
1634 |
cat <<\EOF >> conftest.c |
1635 |
{0, (lt_ptr_t) 0} |
1636 |
}; |
1637 |
|
1638 |
#ifdef __cplusplus |
1639 |
} |
1640 |
#endif |
1641 |
EOF |
1642 |
# Now try linking the two files. |
1643 |
mv conftest.$objext conftstm.$objext |
1644 |
save_LIBS="$LIBS" |
1645 |
save_CFLAGS="$CFLAGS" |
1646 |
LIBS="conftstm.$objext" |
1647 |
CFLAGS="$CFLAGS$no_builtin_flag" |
1648 |
if { (eval echo $progname:1648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then |
1649 |
pipe_works=yes |
1650 |
else |
1651 |
echo "$progname: failed program was:" >&5 |
1652 |
cat conftest.c >&5 |
1653 |
fi |
1654 |
LIBS="$save_LIBS" |
1655 |
else |
1656 |
echo "cannot find nm_test_func in $nlist" >&5 |
1657 |
fi |
1658 |
else |
1659 |
echo "cannot find nm_test_var in $nlist" >&5 |
1660 |
fi |
1661 |
else |
1662 |
echo "cannot run $global_symbol_pipe" >&5 |
1663 |
fi |
1664 |
else |
1665 |
echo "$progname: failed program was:" >&5 |
1666 |
cat conftest.c >&5 |
1667 |
fi |
1668 |
$rm conftest* conftst* |
1669 |
|
1670 |
# Do not use the global_symbol_pipe unless it works. |
1671 |
if test "$pipe_works" = yes; then |
1672 |
break |
1673 |
else |
1674 |
global_symbol_pipe= |
1675 |
fi |
1676 |
done |
1677 |
if test "$pipe_works" = yes; then |
1678 |
echo "${ac_t}ok" 1>&6 |
1679 |
else |
1680 |
echo "${ac_t}failed" 1>&6 |
1681 |
fi |
1682 |
|
1683 |
if test -z "$global_symbol_pipe"; then |
1684 |
global_symbol_to_cdecl= |
1685 |
fi |
1686 |
|
1687 |
# Check hardcoding attributes. |
1688 |
echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6 |
1689 |
hardcode_action= |
1690 |
if test -n "$hardcode_libdir_flag_spec" || \ |
1691 |
test -n "$runpath_var"; then |
1692 |
|
1693 |
# We can hardcode non-existant directories. |
1694 |
if test "$hardcode_direct" != no && |
1695 |
# If the only mechanism to avoid hardcoding is shlibpath_var, we |
1696 |
# have to relink, otherwise we might link with an installed library |
1697 |
# when we should be linking with a yet-to-be-installed one |
1698 |
## test "$hardcode_shlibpath_var" != no && |
1699 |
test "$hardcode_minus_L" != no; then |
1700 |
# Linking always hardcodes the temporary library directory. |
1701 |
hardcode_action=relink |
1702 |
else |
1703 |
# We can link without hardcoding, and we can hardcode nonexisting dirs. |
1704 |
hardcode_action=immediate |
1705 |
fi |
1706 |
else |
1707 |
# We cannot hardcode anything, or else we can only hardcode existing |
1708 |
# directories. |
1709 |
hardcode_action=unsupported |
1710 |
fi |
1711 |
echo "$ac_t$hardcode_action" 1>&6 |
1712 |
|
1713 |
|
1714 |
reload_flag= |
1715 |
reload_cmds='$LD$reload_flag -o $output$reload_objs' |
1716 |
echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6 |
1717 |
# PORTME Some linkers may need a different reload flag. |
1718 |
reload_flag='-r' |
1719 |
echo "$ac_t$reload_flag" 1>&6 |
1720 |
test -n "$reload_flag" && reload_flag=" $reload_flag" |
1721 |
|
1722 |
# PORTME Fill in your ld.so characteristics |
1723 |
library_names_spec= |
1724 |
libname_spec='lib$name' |
1725 |
soname_spec= |
1726 |
postinstall_cmds= |
1727 |
postuninstall_cmds= |
1728 |
finish_cmds= |
1729 |
finish_eval= |
1730 |
shlibpath_var= |
1731 |
shlibpath_overrides_runpath=unknown |
1732 |
version_type=none |
1733 |
dynamic_linker="$host_os ld.so" |
1734 |
sys_lib_dlsearch_path_spec="/lib /usr/lib" |
1735 |
sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" |
1736 |
file_magic_cmd= |
1737 |
file_magic_test_file= |
1738 |
deplibs_check_method='unknown' |
1739 |
# Need to set the preceding variable on all platforms that support |
1740 |
# interlibrary dependencies. |
1741 |
# 'none' -- dependencies not supported. |
1742 |
# `unknown' -- same as none, but documents that we really don't know. |
1743 |
# 'pass_all' -- all dependencies passed with no checks. |
1744 |
# 'test_compile' -- check by making test program. |
1745 |
# 'file_magic [regex]' -- check by looking for files in library path |
1746 |
# which responds to the $file_magic_cmd with a given egrep regex. |
1747 |
# If you have `file' or equivalent on your system and you're not sure |
1748 |
# whether `pass_all' will *always* work, you probably want this one. |
1749 |
echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6 |
1750 |
case "$host_os" in |
1751 |
aix3*) |
1752 |
version_type=linux |
1753 |
library_names_spec='${libname}${release}.so$versuffix $libname.a' |
1754 |
shlibpath_var=LIBPATH |
1755 |
|
1756 |
# AIX has no versioning support, so we append a major version to the name. |
1757 |
soname_spec='${libname}${release}.so$major' |
1758 |
;; |
1759 |
|
1760 |
aix4*) |
1761 |
version_type=linux |
1762 |
# AIX has no versioning support, so currently we can not hardcode correct |
1763 |
# soname into executable. Probably we can add versioning support to |
1764 |
# collect2, so additional links can be useful in future. |
1765 |
# We preserve .a as extension for shared libraries though AIX4.2 |
1766 |
# and later linker supports .so |
1767 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a' |
1768 |
shlibpath_var=LIBPATH |
1769 |
deplibs_check_method=pass_all |
1770 |
;; |
1771 |
|
1772 |
amigaos*) |
1773 |
library_names_spec='$libname.ixlibrary $libname.a' |
1774 |
# Create ${libname}_ixlibrary.a entries in /sys/libs. |
1775 |
finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done' |
1776 |
;; |
1777 |
|
1778 |
beos*) |
1779 |
library_names_spec='${libname}.so' |
1780 |
dynamic_linker="$host_os ld.so" |
1781 |
shlibpath_var=LIBRARY_PATH |
1782 |
deplibs_check_method=pass_all |
1783 |
lt_cv_dlopen="load_add_on" |
1784 |
lt_cv_dlopen_libs= |
1785 |
lt_cv_dlopen_self=yes |
1786 |
;; |
1787 |
|
1788 |
bsdi4*) |
1789 |
version_type=linux |
1790 |
library_names_spec='${libname}.so$major ${libname}.so' |
1791 |
soname_spec='${libname}.so' |
1792 |
finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' |
1793 |
shlibpath_var=LD_LIBRARY_PATH |
1794 |
deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' |
1795 |
file_magic_cmd=/usr/bin/file |
1796 |
file_magic_test_file=/shlib/libc.so |
1797 |
sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" |
1798 |
sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" |
1799 |
# the default ld.so.conf also contains /usr/contrib/lib and |
1800 |
# /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow |
1801 |
# libtool to hard-code these into programs |
1802 |
;; |
1803 |
|
1804 |
cygwin* | mingw*) |
1805 |
version_type=windows |
1806 |
need_version=no |
1807 |
need_lib_prefix=no |
1808 |
if test "$with_gcc" = yes; then |
1809 |
library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a' |
1810 |
else |
1811 |
library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib' |
1812 |
fi |
1813 |
dynamic_linker='Win32 ld.exe' |
1814 |
deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' |
1815 |
file_magic_cmd='${OBJDUMP} -f' |
1816 |
# FIXME: first we should search . and the directory the executable is in |
1817 |
shlibpath_var=PATH |
1818 |
lt_cv_dlopen="LoadLibrary" |
1819 |
lt_cv_dlopen_libs= |
1820 |
;; |
1821 |
|
1822 |
freebsd1*) |
1823 |
dynamic_linker=no |
1824 |
;; |
1825 |
|
1826 |
freebsd*) |
1827 |
objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout` |
1828 |
version_type=freebsd-$objformat |
1829 |
case "$version_type" in |
1830 |
freebsd-elf*) |
1831 |
deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object' |
1832 |
file_magic_cmd=/usr/bin/file |
1833 |
file_magic_test_file=`echo /usr/lib/libc.so*` |
1834 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' |
1835 |
need_version=no |
1836 |
need_lib_prefix=no |
1837 |
;; |
1838 |
freebsd-*) |
1839 |
deplibs_check_method=unknown |
1840 |
library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix' |
1841 |
need_version=yes |
1842 |
;; |
1843 |
esac |
1844 |
finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir' |
1845 |
shlibpath_var=LD_LIBRARY_PATH |
1846 |
case "$host_os" in |
1847 |
freebsd2* | freebsd3.[01]*) |
1848 |
shlibpath_overrides_runpath=yes |
1849 |
;; |
1850 |
*) # from 3.2 on |
1851 |
shlibpath_overrides_runpath=no |
1852 |
;; |
1853 |
esac |
1854 |
;; |
1855 |
|
1856 |
gnu*) |
1857 |
version_type=linux |
1858 |
need_lib_prefix=no |
1859 |
need_version=no |
1860 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so' |
1861 |
soname_spec='${libname}${release}.so$major' |
1862 |
shlibpath_var=LD_LIBRARY_PATH |
1863 |
;; |
1864 |
|
1865 |
hpux9* | hpux10* | hpux11*) |
1866 |
# Give a soname corresponding to the major version so that dld.sl refuses to |
1867 |
# link against other versions. |
1868 |
dynamic_linker="$host_os dld.sl" |
1869 |
version_type=sunos |
1870 |
need_lib_prefix=no |
1871 |
need_version=no |
1872 |
shlibpath_var=SHLIB_PATH |
1873 |
shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH |
1874 |
library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl' |
1875 |
soname_spec='${libname}${release}.sl$major' |
1876 |
# HP-UX runs *really* slowly unless shared libraries are mode 555. |
1877 |
postinstall_cmds='chmod 555 $lib' |
1878 |
;; |
1879 |
|
1880 |
irix5* | irix6*) |
1881 |
version_type=irix |
1882 |
need_lib_prefix=no |
1883 |
need_version=no |
1884 |
soname_spec='${libname}${release}.so.$major' |
1885 |
library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so' |
1886 |
case "$host_os" in |
1887 |
irix5*) |
1888 |
libsuff= shlibsuff= |
1889 |
# this will be overridden with pass_all, but let us keep it just in case |
1890 |
deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" |
1891 |
;; |
1892 |
*) |
1893 |
case "$LD" in # libtool.m4 will add one of these switches to LD |
1894 |
*-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;; |
1895 |
*-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; |
1896 |
*-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;; |
1897 |
*) libsuff= shlibsuff= libmagic=never-match;; |
1898 |
esac |
1899 |
# this will be overridden with pass_all, but let us keep it just in case |
1900 |
deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" |
1901 |
;; |
1902 |
esac |
1903 |
shlibpath_var=LD_LIBRARY${shlibsuff}_PATH |
1904 |
shlibpath_overrides_runpath=no |
1905 |
sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" |
1906 |
sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" |
1907 |
file_magic_cmd=/usr/bin/file |
1908 |
file_magic_test_file=`echo /lib${libsuff}/libc.so*` |
1909 |
deplibs_check_method='pass_all' |
1910 |
;; |
1911 |
|
1912 |
# No shared lib support for Linux oldld, aout, or coff. |
1913 |
linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*) |
1914 |
dynamic_linker=no |
1915 |
;; |
1916 |
|
1917 |
# This must be Linux ELF. |
1918 |
linux-gnu*) |
1919 |
version_type=linux |
1920 |
need_lib_prefix=no |
1921 |
need_version=no |
1922 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
1923 |
soname_spec='${libname}${release}.so$major' |
1924 |
finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' |
1925 |
shlibpath_var=LD_LIBRARY_PATH |
1926 |
shlibpath_overrides_runpath=no |
1927 |
deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' |
1928 |
file_magic_cmd=/usr/bin/file |
1929 |
file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` |
1930 |
|
1931 |
if test -f /lib/ld.so.1; then |
1932 |
dynamic_linker='GNU ld.so' |
1933 |
else |
1934 |
# Only the GNU ld.so supports shared libraries on MkLinux. |
1935 |
case "$host_cpu" in |
1936 |
powerpc*) dynamic_linker=no ;; |
1937 |
*) dynamic_linker='Linux ld.so' ;; |
1938 |
esac |
1939 |
fi |
1940 |
;; |
1941 |
|
1942 |
netbsd*) |
1943 |
version_type=sunos |
1944 |
if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then |
1945 |
library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' |
1946 |
finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' |
1947 |
dynamic_linker='NetBSD (a.out) ld.so' |
1948 |
else |
1949 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so' |
1950 |
soname_spec='${libname}${release}.so$major' |
1951 |
dynamic_linker='NetBSD ld.elf_so' |
1952 |
fi |
1953 |
shlibpath_var=LD_LIBRARY_PATH |
1954 |
;; |
1955 |
|
1956 |
openbsd*) |
1957 |
version_type=sunos |
1958 |
if test "$with_gnu_ld" = yes; then |
1959 |
need_lib_prefix=no |
1960 |
need_version=no |
1961 |
fi |
1962 |
library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' |
1963 |
finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' |
1964 |
shlibpath_var=LD_LIBRARY_PATH |
1965 |
;; |
1966 |
|
1967 |
os2*) |
1968 |
libname_spec='$name' |
1969 |
need_lib_prefix=no |
1970 |
library_names_spec='$libname.dll $libname.a' |
1971 |
dynamic_linker='OS/2 ld.exe' |
1972 |
shlibpath_var=LIBPATH |
1973 |
;; |
1974 |
|
1975 |
osf3* | osf4*) |
1976 |
version_type=osf |
1977 |
need_version=no |
1978 |
soname_spec='${libname}${release}.so' |
1979 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' |
1980 |
shlibpath_var=LD_LIBRARY_PATH |
1981 |
# this will be overridden with pass_all, but let us keep it just in case |
1982 |
deplibs_check_method='file_magic COFF format alpha shared library' |
1983 |
file_magic_cmd=/usr/bin/file |
1984 |
file_magic_test_file=/shlib/libc.so |
1985 |
deplibs_check_method='pass_all' |
1986 |
sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" |
1987 |
sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" |
1988 |
;; |
1989 |
|
1990 |
sco3.2v5*) |
1991 |
version_type=osf |
1992 |
soname_spec='${libname}${release}.so$major' |
1993 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
1994 |
shlibpath_var=LD_LIBRARY_PATH |
1995 |
;; |
1996 |
|
1997 |
solaris*) |
1998 |
version_type=linux |
1999 |
need_lib_prefix=no |
2000 |
need_version=no |
2001 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
2002 |
soname_spec='${libname}${release}.so$major' |
2003 |
shlibpath_var=LD_LIBRARY_PATH |
2004 |
shlibpath_overrides_runpath=yes |
2005 |
# ldd complains unless libraries are executable |
2006 |
postinstall_cmds='chmod +x $lib' |
2007 |
deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib" |
2008 |
file_magic_cmd=/usr/bin/file |
2009 |
file_magic_test_file=/lib/libc.so |
2010 |
;; |
2011 |
|
2012 |
sunos4*) |
2013 |
version_type=sunos |
2014 |
library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' |
2015 |
finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' |
2016 |
shlibpath_var=LD_LIBRARY_PATH |
2017 |
shlibpath_overrides_runpath=yes |
2018 |
if test "$with_gnu_ld" = yes; then |
2019 |
need_lib_prefix=no |
2020 |
fi |
2021 |
need_version=yes |
2022 |
;; |
2023 |
|
2024 |
sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) |
2025 |
version_type=linux |
2026 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
2027 |
soname_spec='${libname}${release}.so$major' |
2028 |
shlibpath_var=LD_LIBRARY_PATH |
2029 |
case "$host_vendor" in |
2030 |
ncr) |
2031 |
deplibs_check_method='pass_all' |
2032 |
;; |
2033 |
motorola) |
2034 |
need_lib_prefix=no |
2035 |
need_version=no |
2036 |
shlibpath_overrides_runpath=no |
2037 |
sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' |
2038 |
deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' |
2039 |
file_magic_cmd=/usr/bin/file |
2040 |
file_magic_test_file=`echo /usr/lib/libc.so*` |
2041 |
;; |
2042 |
esac |
2043 |
;; |
2044 |
|
2045 |
uts4*) |
2046 |
version_type=linux |
2047 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
2048 |
soname_spec='${libname}${release}.so$major' |
2049 |
shlibpath_var=LD_LIBRARY_PATH |
2050 |
;; |
2051 |
|
2052 |
dgux*) |
2053 |
version_type=linux |
2054 |
need_lib_prefix=no |
2055 |
need_version=no |
2056 |
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
2057 |
soname_spec='${libname}${release}.so$major' |
2058 |
shlibpath_var=LD_LIBRARY_PATH |
2059 |
;; |
2060 |
|
2061 |
sysv4*MP*) |
2062 |
if test -d /usr/nec ;then |
2063 |
version_type=linux |
2064 |
library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so' |
2065 |
soname_spec='$libname.so.$major' |
2066 |
shlibpath_var=LD_LIBRARY_PATH |
2067 |
fi |
2068 |
;; |
2069 |
|
2070 |
*) |
2071 |
dynamic_linker=no |
2072 |
;; |
2073 |
esac |
2074 |
echo "$ac_t$dynamic_linker" 1>&6 |
2075 |
test "$dynamic_linker" = no && can_build_shared=no |
2076 |
|
2077 |
# Report the final consequences. |
2078 |
echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6 |
2079 |
|
2080 |
# Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in |
2081 |
# configure.in, otherwise build static only libraries. |
2082 |
case "$host_os" in |
2083 |
cygwin* | mingw* | os2*) |
2084 |
if test x$can_build_shared = xyes; then |
2085 |
test x$enable_win32_dll = xno && can_build_shared=no |
2086 |
echo "checking if package supports dlls... $can_build_shared" 1>&6 |
2087 |
fi |
2088 |
;; |
2089 |
esac |
2090 |
|
2091 |
if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then |
2092 |
case "$deplibs_check_method" in |
2093 |
"file_magic "*) |
2094 |
file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" |
2095 |
if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | |
2096 |
egrep "$file_magic_regex" > /dev/null; then |
2097 |
: |
2098 |
else |
2099 |
cat <<EOF 1>&2 |
2100 |
|
2101 |
*** Warning: the command libtool uses to detect shared libraries, |
2102 |
*** $file_magic_cmd, produces output that libtool cannot recognize. |
2103 |
*** The result is that libtool may fail to recognize shared libraries |
2104 |
*** as such. This will affect the creation of libtool libraries that |
2105 |
*** depend on shared libraries, but programs linked with such libtool |
2106 |
*** libraries will work regardless of this problem. Nevertheless, you |
2107 |
*** may want to report the problem to your system manager and/or to |
2108 |
*** bug-libtool@gnu.org |
2109 |
|
2110 |
EOF |
2111 |
fi ;; |
2112 |
esac |
2113 |
fi |
2114 |
|
2115 |
echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6 |
2116 |
test "$can_build_shared" = "no" && enable_shared=no |
2117 |
|
2118 |
# On AIX, shared libraries and static libraries use the same namespace, and |
2119 |
# are all built from PIC. |
2120 |
case "$host_os" in |
2121 |
aix3*) |
2122 |
test "$enable_shared" = yes && enable_static=no |
2123 |
if test -n "$RANLIB"; then |
2124 |
archive_cmds="$archive_cmds~\$RANLIB \$lib" |
2125 |
postinstall_cmds='$RANLIB $lib' |
2126 |
fi |
2127 |
;; |
2128 |
|
2129 |
aix4*) |
2130 |
test "$enable_shared" = yes && enable_static=no |
2131 |
;; |
2132 |
esac |
2133 |
|
2134 |
echo "$ac_t$enable_shared" 1>&6 |
2135 |
|
2136 |
# Make sure either enable_shared or enable_static is yes. |
2137 |
test "$enable_shared" = yes || enable_static=yes |
2138 |
|
2139 |
echo "checking whether to build static libraries... $enable_static" 1>&6 |
2140 |
|
2141 |
if test "$hardcode_action" = relink; then |
2142 |
# Fast installation is not supported |
2143 |
enable_fast_install=no |
2144 |
elif test "$shlibpath_overrides_runpath" = yes || |
2145 |
test "$enable_shared" = no; then |
2146 |
# Fast installation is not necessary |
2147 |
enable_fast_install=needless |
2148 |
fi |
2149 |
|
2150 |
echo $ac_n "checking for objdir... $ac_c" 1>&6 |
2151 |
rm -f .libs 2>/dev/null |
2152 |
mkdir .libs 2>/dev/null |
2153 |
if test -d .libs; then |
2154 |
objdir=.libs |
2155 |
else |
2156 |
# MS-DOS does not allow filenames that begin with a dot. |
2157 |
objdir=_libs |
2158 |
fi |
2159 |
rmdir .libs 2>/dev/null |
2160 |
echo "$ac_t$objdir" 1>&6 |
2161 |
|
2162 |
if test "x$enable_dlopen" != xyes; then |
2163 |
enable_dlopen=unknown |
2164 |
enable_dlopen_self=unknown |
2165 |
enable_dlopen_self_static=unknown |
2166 |
else |
2167 |
if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then |
2168 |
lt_cv_dlopen=no lt_cv_dlopen_libs= |
2169 |
echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6 |
2170 |
echo "$progname:2170: checking for dlopen in -ldl" >&5 |
2171 |
ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'` |
2172 |
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then |
2173 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2174 |
else |
2175 |
ac_save_LIBS="$LIBS" |
2176 |
LIBS="-ldl $LIBS" |
2177 |
cat > conftest.$ac_ext <<EOF |
2178 |
#line 2178 "ltconfig" |
2179 |
/* Override any gcc2 internal prototype to avoid an error. */ |
2180 |
/* We use char because int might match the return type of a gcc2 |
2181 |
builtin and then its argument prototype would still apply. */ |
2182 |
char dlopen(); |
2183 |
|
2184 |
int main() { |
2185 |
dlopen() |
2186 |
; return 0; } |
2187 |
EOF |
2188 |
if { (eval echo $progname:2188: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then |
2189 |
rm -rf conftest* |
2190 |
eval "ac_cv_lib_$ac_lib_var=yes" |
2191 |
else |
2192 |
echo "$progname: failed program was:" >&5 |
2193 |
cat conftest.$ac_ext >&5 |
2194 |
rm -rf conftest* |
2195 |
eval "ac_cv_lib_$ac_lib_var=no" |
2196 |
fi |
2197 |
rm -f conftest* |
2198 |
LIBS="$ac_save_LIBS" |
2199 |
|
2200 |
fi |
2201 |
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then |
2202 |
echo "$ac_t""yes" 1>&6 |
2203 |
lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" |
2204 |
else |
2205 |
echo "$ac_t""no" 1>&6 |
2206 |
echo $ac_n "checking for dlopen""... $ac_c" 1>&6 |
2207 |
echo "$progname:2207: checking for dlopen" >&5 |
2208 |
if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then |
2209 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2210 |
else |
2211 |
cat > conftest.$ac_ext <<EOF |
2212 |
#line 2212 "ltconfig" |
2213 |
/* System header to define __stub macros and hopefully few prototypes, |
2214 |
which can conflict with char dlopen(); below. */ |
2215 |
#include <assert.h> |
2216 |
/* Override any gcc2 internal prototype to avoid an error. */ |
2217 |
/* We use char because int might match the return type of a gcc2 |
2218 |
builtin and then its argument prototype would still apply. */ |
2219 |
char dlopen(); |
2220 |
|
2221 |
int main() { |
2222 |
|
2223 |
/* The GNU C library defines this for functions which it implements |
2224 |
to always fail with ENOSYS. Some functions are actually named |
2225 |
something starting with __ and the normal name is an alias. */ |
2226 |
#if defined (__stub_dlopen) || defined (__stub___dlopen) |
2227 |
choke me |
2228 |
#else |
2229 |
dlopen(); |
2230 |
#endif |
2231 |
|
2232 |
; return 0; } |
2233 |
EOF |
2234 |
if { (eval echo $progname:2234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then |
2235 |
rm -rf conftest* |
2236 |
eval "ac_cv_func_dlopen=yes" |
2237 |
else |
2238 |
echo "$progname: failed program was:" >&5 |
2239 |
cat conftest.$ac_ext >&5 |
2240 |
rm -rf conftest* |
2241 |
eval "ac_cv_func_dlopen=no" |
2242 |
fi |
2243 |
rm -f conftest* |
2244 |
fi |
2245 |
if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then |
2246 |
echo "$ac_t""yes" 1>&6 |
2247 |
lt_cv_dlopen="dlopen" |
2248 |
else |
2249 |
echo "$ac_t""no" 1>&6 |
2250 |
echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6 |
2251 |
echo "$progname:2251: checking for dld_link in -ldld" >&5 |
2252 |
ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'` |
2253 |
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then |
2254 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2255 |
else |
2256 |
ac_save_LIBS="$LIBS" |
2257 |
LIBS="-ldld $LIBS" |
2258 |
cat > conftest.$ac_ext <<EOF |
2259 |
#line 2259 "ltconfig" |
2260 |
/* Override any gcc2 internal prototype to avoid an error. */ |
2261 |
/* We use char because int might match the return type of a gcc2 |
2262 |
builtin and then its argument prototype would still apply. */ |
2263 |
char dld_link(); |
2264 |
|
2265 |
int main() { |
2266 |
dld_link() |
2267 |
; return 0; } |
2268 |
EOF |
2269 |
if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then |
2270 |
rm -rf conftest* |
2271 |
eval "ac_cv_lib_$ac_lib_var=yes" |
2272 |
else |
2273 |
echo "$progname: failed program was:" >&5 |
2274 |
cat conftest.$ac_ext >&5 |
2275 |
rm -rf conftest* |
2276 |
eval "ac_cv_lib_$ac_lib_var=no" |
2277 |
fi |
2278 |
rm -f conftest* |
2279 |
LIBS="$ac_save_LIBS" |
2280 |
|
2281 |
fi |
2282 |
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then |
2283 |
echo "$ac_t""yes" 1>&6 |
2284 |
lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" |
2285 |
else |
2286 |
echo "$ac_t""no" 1>&6 |
2287 |
echo $ac_n "checking for shl_load""... $ac_c" 1>&6 |
2288 |
echo "$progname:2288: checking for shl_load" >&5 |
2289 |
if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then |
2290 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2291 |
else |
2292 |
cat > conftest.$ac_ext <<EOF |
2293 |
#line 2293 "ltconfig" |
2294 |
/* System header to define __stub macros and hopefully few prototypes, |
2295 |
which can conflict with char shl_load(); below. */ |
2296 |
#include <assert.h> |
2297 |
/* Override any gcc2 internal prototype to avoid an error. */ |
2298 |
/* We use char because int might match the return type of a gcc2 |
2299 |
builtin and then its argument prototype would still apply. */ |
2300 |
char shl_load(); |
2301 |
|
2302 |
int main() { |
2303 |
|
2304 |
/* The GNU C library defines this for functions which it implements |
2305 |
to always fail with ENOSYS. Some functions are actually named |
2306 |
something starting with __ and the normal name is an alias. */ |
2307 |
#if defined (__stub_shl_load) || defined (__stub___shl_load) |
2308 |
choke me |
2309 |
#else |
2310 |
shl_load(); |
2311 |
#endif |
2312 |
|
2313 |
; return 0; } |
2314 |
EOF |
2315 |
if { (eval echo $progname:2315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then |
2316 |
rm -rf conftest* |
2317 |
eval "ac_cv_func_shl_load=yes" |
2318 |
else |
2319 |
echo "$progname: failed program was:" >&5 |
2320 |
cat conftest.$ac_ext >&5 |
2321 |
rm -rf conftest* |
2322 |
eval "ac_cv_func_shl_load=no" |
2323 |
fi |
2324 |
rm -f conftest* |
2325 |
fi |
2326 |
|
2327 |
if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then |
2328 |
echo "$ac_t""yes" 1>&6 |
2329 |
lt_cv_dlopen="shl_load" |
2330 |
else |
2331 |
echo "$ac_t""no" 1>&6 |
2332 |
echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6 |
2333 |
echo "$progname:2333: checking for shl_load in -ldld" >&5 |
2334 |
ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'` |
2335 |
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then |
2336 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2337 |
else |
2338 |
ac_save_LIBS="$LIBS" |
2339 |
LIBS="-ldld $LIBS" |
2340 |
cat > conftest.$ac_ext <<EOF |
2341 |
#line 2341 "ltconfig" |
2342 |
#include "confdefs.h" |
2343 |
/* Override any gcc2 internal prototype to avoid an error. */ |
2344 |
/* We use char because int might match the return type of a gcc2 |
2345 |
builtin and then its argument prototype would still apply. */ |
2346 |
char shl_load(); |
2347 |
|
2348 |
int main() { |
2349 |
shl_load() |
2350 |
; return 0; } |
2351 |
EOF |
2352 |
if { (eval echo $progname:2352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then |
2353 |
rm -rf conftest* |
2354 |
eval "ac_cv_lib_$ac_lib_var=yes" |
2355 |
else |
2356 |
echo "$progname: failed program was:" >&5 |
2357 |
cat conftest.$ac_ext >&5 |
2358 |
rm -rf conftest* |
2359 |
eval "ac_cv_lib_$ac_lib_var=no" |
2360 |
fi |
2361 |
rm -f conftest* |
2362 |
LIBS="$ac_save_LIBS" |
2363 |
|
2364 |
fi |
2365 |
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then |
2366 |
echo "$ac_t""yes" 1>&6 |
2367 |
lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" |
2368 |
else |
2369 |
echo "$ac_t""no" 1>&6 |
2370 |
fi |
2371 |
|
2372 |
|
2373 |
fi |
2374 |
|
2375 |
|
2376 |
fi |
2377 |
|
2378 |
|
2379 |
fi |
2380 |
|
2381 |
|
2382 |
fi |
2383 |
|
2384 |
fi |
2385 |
|
2386 |
if test "x$lt_cv_dlopen" != xno; then |
2387 |
enable_dlopen=yes |
2388 |
fi |
2389 |
|
2390 |
case "$lt_cv_dlopen" in |
2391 |
dlopen) |
2392 |
for ac_hdr in dlfcn.h; do |
2393 |
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` |
2394 |
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 |
2395 |
echo "$progname:2395: checking for $ac_hdr" >&5 |
2396 |
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then |
2397 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2398 |
else |
2399 |
cat > conftest.$ac_ext <<EOF |
2400 |
#line 2400 "ltconfig" |
2401 |
#include <$ac_hdr> |
2402 |
int fnord = 0; |
2403 |
EOF |
2404 |
ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out" |
2405 |
{ (eval echo $progname:2405: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } |
2406 |
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` |
2407 |
if test -z "$ac_err"; then |
2408 |
rm -rf conftest* |
2409 |
eval "ac_cv_header_$ac_safe=yes" |
2410 |
else |
2411 |
echo "$ac_err" >&5 |
2412 |
echo "$progname: failed program was:" >&5 |
2413 |
cat conftest.$ac_ext >&5 |
2414 |
rm -rf conftest* |
2415 |
eval "ac_cv_header_$ac_safe=no" |
2416 |
fi |
2417 |
rm -f conftest* |
2418 |
fi |
2419 |
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then |
2420 |
echo "$ac_t""yes" 1>&6 |
2421 |
else |
2422 |
echo "$ac_t""no" 1>&6 |
2423 |
fi |
2424 |
done |
2425 |
|
2426 |
if test "x$ac_cv_header_dlfcn_h" = xyes; then |
2427 |
CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" |
2428 |
fi |
2429 |
eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" |
2430 |
LIBS="$lt_cv_dlopen_libs $LIBS" |
2431 |
|
2432 |
echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6 |
2433 |
echo "$progname:2433: checking whether a program can dlopen itself" >&5 |
2434 |
if test "${lt_cv_dlopen_self+set}" = set; then |
2435 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2436 |
else |
2437 |
if test "$cross_compiling" = yes; then |
2438 |
lt_cv_dlopen_self=cross |
2439 |
else |
2440 |
cat > conftest.c <<EOF |
2441 |
#line 2441 "ltconfig" |
2442 |
|
2443 |
#if HAVE_DLFCN_H |
2444 |
#include <dlfcn.h> |
2445 |
#endif |
2446 |
|
2447 |
#include <stdio.h> |
2448 |
|
2449 |
#ifdef RTLD_GLOBAL |
2450 |
# define LTDL_GLOBAL RTLD_GLOBAL |
2451 |
#else |
2452 |
# ifdef DL_GLOBAL |
2453 |
# define LTDL_GLOBAL DL_GLOBAL |
2454 |
# else |
2455 |
# define LTDL_GLOBAL 0 |
2456 |
# endif |
2457 |
#endif |
2458 |
|
2459 |
/* We may have to define LTDL_LAZY_OR_NOW in the command line if we |
2460 |
find out it does not work in some platform. */ |
2461 |
#ifndef LTDL_LAZY_OR_NOW |
2462 |
# ifdef RTLD_LAZY |
2463 |
# define LTDL_LAZY_OR_NOW RTLD_LAZY |
2464 |
# else |
2465 |
# ifdef DL_LAZY |
2466 |
# define LTDL_LAZY_OR_NOW DL_LAZY |
2467 |
# else |
2468 |
# ifdef RTLD_NOW |
2469 |
# define LTDL_LAZY_OR_NOW RTLD_NOW |
2470 |
# else |
2471 |
# ifdef DL_NOW |
2472 |
# define LTDL_LAZY_OR_NOW DL_NOW |
2473 |
# else |
2474 |
# define LTDL_LAZY_OR_NOW 0 |
2475 |
# endif |
2476 |
# endif |
2477 |
# endif |
2478 |
# endif |
2479 |
#endif |
2480 |
|
2481 |
fnord() { int i=42;} |
2482 |
main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); |
2483 |
if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); |
2484 |
if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } |
2485 |
|
2486 |
EOF |
2487 |
if { (eval echo $progname:2487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null |
2488 |
then |
2489 |
lt_cv_dlopen_self=yes |
2490 |
else |
2491 |
echo "$progname: failed program was:" >&5 |
2492 |
cat conftest.$ac_ext >&5 |
2493 |
rm -fr conftest* |
2494 |
lt_cv_dlopen_self=no |
2495 |
fi |
2496 |
rm -fr conftest* |
2497 |
fi |
2498 |
|
2499 |
fi |
2500 |
|
2501 |
echo "$ac_t""$lt_cv_dlopen_self" 1>&6 |
2502 |
|
2503 |
if test "$lt_cv_dlopen_self" = yes; then |
2504 |
LDFLAGS="$LDFLAGS $link_static_flag" |
2505 |
echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6 |
2506 |
echo "$progname:2506: checking whether a statically linked program can dlopen itself" >&5 |
2507 |
if test "${lt_cv_dlopen_self_static+set}" = set; then |
2508 |
echo $ac_n "(cached) $ac_c" 1>&6 |
2509 |
else |
2510 |
if test "$cross_compiling" = yes; then |
2511 |
lt_cv_dlopen_self_static=cross |
2512 |
else |
2513 |
cat > conftest.c <<EOF |
2514 |
#line 2514 "ltconfig" |
2515 |
|
2516 |
#if HAVE_DLFCN_H |
2517 |
#include <dlfcn.h> |
2518 |
#endif |
2519 |
|
2520 |
#include <stdio.h> |
2521 |
|
2522 |
#ifdef RTLD_GLOBAL |
2523 |
# define LTDL_GLOBAL RTLD_GLOBAL |
2524 |
#else |
2525 |
# ifdef DL_GLOBAL |
2526 |
# define LTDL_GLOBAL DL_GLOBAL |
2527 |
# else |
2528 |
# define LTDL_GLOBAL 0 |
2529 |
# endif |
2530 |
#endif |
2531 |
|
2532 |
/* We may have to define LTDL_LAZY_OR_NOW in the command line if we |
2533 |
find out it does not work in some platform. */ |
2534 |
#ifndef LTDL_LAZY_OR_NOW |
2535 |
# ifdef RTLD_LAZY |
2536 |
# define LTDL_LAZY_OR_NOW RTLD_LAZY |
2537 |
# else |
2538 |
# ifdef DL_LAZY |
2539 |
# define LTDL_LAZY_OR_NOW DL_LAZY |
2540 |
# else |
2541 |
# ifdef RTLD_NOW |
2542 |
# define LTDL_LAZY_OR_NOW RTLD_NOW |
2543 |
# else |
2544 |
# ifdef DL_NOW |
2545 |
# define LTDL_LAZY_OR_NOW DL_NOW |
2546 |
# else |
2547 |
# define LTDL_LAZY_OR_NOW 0 |
2548 |
# endif |
2549 |
# endif |
2550 |
# endif |
2551 |
# endif |
2552 |
#endif |
2553 |
|
2554 |
fnord() { int i=42;} |
2555 |
main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); |
2556 |
if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); |
2557 |
if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } |
2558 |
|
2559 |
EOF |
2560 |
if { (eval echo $progname:2560: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null |
2561 |
then |
2562 |
lt_cv_dlopen_self_static=yes |
2563 |
else |
2564 |
echo "$progname: failed program was:" >&5 |
2565 |
cat conftest.$ac_ext >&5 |
2566 |
rm -fr conftest* |
2567 |
lt_cv_dlopen_self_static=no |
2568 |
fi |
2569 |
rm -fr conftest* |
2570 |
fi |
2571 |
|
2572 |
fi |
2573 |
|
2574 |
echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6 |
2575 |
fi |
2576 |
;; |
2577 |
esac |
2578 |
|
2579 |
case "$lt_cv_dlopen_self" in |
2580 |
yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; |
2581 |
*) enable_dlopen_self=unknown ;; |
2582 |
esac |
2583 |
|
2584 |
case "$lt_cv_dlopen_self_static" in |
2585 |
yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; |
2586 |
*) enable_dlopen_self_static=unknown ;; |
2587 |
esac |
2588 |
fi |
2589 |
|
2590 |
# Copy echo and quote the copy, instead of the original, because it is |
2591 |
# used later. |
2592 |
ltecho="$echo" |
2593 |
if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then |
2594 |
ltecho="$CONFIG_SHELL \$0 --fallback-echo" |
2595 |
fi |
2596 |
LTSHELL="$SHELL" |
2597 |
|
2598 |
LTCONFIG_VERSION="$VERSION" |
2599 |
|
2600 |
# Only quote variables if we're using ltmain.sh. |
2601 |
case "$ltmain" in |
2602 |
*.sh) |
2603 |
# Now quote all the things that may contain metacharacters. |
2604 |
for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \ |
2605 |
old_LD old_LDFLAGS old_LIBS \ |
2606 |
old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \ |
2607 |
AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \ |
2608 |
reload_flag reload_cmds wl \ |
2609 |
pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \ |
2610 |
thread_safe_flag_spec whole_archive_flag_spec libname_spec \ |
2611 |
library_names_spec soname_spec \ |
2612 |
RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \ |
2613 |
old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \ |
2614 |
file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \ |
2615 |
finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \ |
2616 |
hardcode_libdir_flag_spec hardcode_libdir_separator \ |
2617 |
sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ |
2618 |
compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do |
2619 |
|
2620 |
case "$var" in |
2621 |
reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \ |
2622 |
old_postinstall_cmds | old_postuninstall_cmds | \ |
2623 |
export_symbols_cmds | archive_cmds | archive_expsym_cmds | \ |
2624 |
postinstall_cmds | postuninstall_cmds | \ |
2625 |
finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec) |
2626 |
# Double-quote double-evaled strings. |
2627 |
eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\"" |
2628 |
;; |
2629 |
*) |
2630 |
eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\"" |
2631 |
;; |
2632 |
esac |
2633 |
done |
2634 |
|
2635 |
case "$ltecho" in |
2636 |
*'\$0 --fallback-echo"') |
2637 |
ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'` |
2638 |
;; |
2639 |
esac |
2640 |
|
2641 |
trap "$rm \"$ofile\"; exit 1" 1 2 15 |
2642 |
echo "creating $ofile" |
2643 |
$rm "$ofile" |
2644 |
cat <<EOF > "$ofile" |
2645 |
#! $SHELL |
2646 |
|
2647 |
# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. |
2648 |
# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) |
2649 |
# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh. |
2650 |
# |
2651 |
# Copyright (C) 1996-1999 Free Software Foundation, Inc. |
2652 |
# Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 |
2653 |
# |
2654 |
# This program is free software; you can redistribute it and/or modify |
2655 |
# it under the terms of the GNU General Public License as published by |
2656 |
# the Free Software Foundation; either version 2 of the License, or |
2657 |
# (at your option) any later version. |
2658 |
# |
2659 |
# This program is distributed in the hope that it will be useful, but |
2660 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
2661 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
2662 |
# General Public License for more details. |
2663 |
# |
2664 |
# You should have received a copy of the GNU General Public License |
2665 |
# along with this program; if not, write to the Free Software |
2666 |
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
2667 |
# |
2668 |
# As a special exception to the GNU General Public License, if you |
2669 |
# distribute this file as part of a program that contains a |
2670 |
# configuration script generated by Autoconf, you may include it under |
2671 |
# the same distribution terms that you use for the rest of that program. |
2672 |
|
2673 |
# Sed that helps us avoid accidentally triggering echo(1) options like -n. |
2674 |
Xsed="sed -e s/^X//" |
2675 |
|
2676 |
# The HP-UX ksh and POSIX shell print the target directory to stdout |
2677 |
# if CDPATH is set. |
2678 |
if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi |
2679 |
|
2680 |
### BEGIN LIBTOOL CONFIG |
2681 |
EOF |
2682 |
cfgfile="$ofile" |
2683 |
;; |
2684 |
|
2685 |
*) |
2686 |
# Double-quote the variables that need it (for aesthetics). |
2687 |
for var in old_CC old_CFLAGS old_CPPFLAGS \ |
2688 |
old_LD old_LDFLAGS old_LIBS \ |
2689 |
old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do |
2690 |
eval "$var=\\\"\$var\\\"" |
2691 |
done |
2692 |
|
2693 |
# Just create a config file. |
2694 |
cfgfile="$ofile.cfg" |
2695 |
trap "$rm \"$cfgfile\"; exit 1" 1 2 15 |
2696 |
echo "creating $cfgfile" |
2697 |
$rm "$cfgfile" |
2698 |
cat <<EOF > "$cfgfile" |
2699 |
# `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file. |
2700 |
# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) |
2701 |
EOF |
2702 |
;; |
2703 |
esac |
2704 |
|
2705 |
cat <<EOF >> "$cfgfile" |
2706 |
# Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`: |
2707 |
# |
2708 |
# CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\ |
2709 |
# LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\ |
2710 |
# NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\ |
2711 |
# DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\ |
2712 |
# $0$ltconfig_args |
2713 |
# |
2714 |
# Compiler and other test output produced by $progname, useful for |
2715 |
# debugging $progname, is in ./config.log if it exists. |
2716 |
|
2717 |
# The version of $progname that generated this script. |
2718 |
LTCONFIG_VERSION=$LTCONFIG_VERSION |
2719 |
|
2720 |
# Shell to use when invoking shell scripts. |
2721 |
SHELL=$LTSHELL |
2722 |
|
2723 |
# Whether or not to build shared libraries. |
2724 |
build_libtool_libs=$enable_shared |
2725 |
|
2726 |
# Whether or not to build static libraries. |
2727 |
build_old_libs=$enable_static |
2728 |
|
2729 |
# Whether or not to optimize for fast installation. |
2730 |
fast_install=$enable_fast_install |
2731 |
|
2732 |
# The host system. |
2733 |
host_alias=$host_alias |
2734 |
host=$host |
2735 |
|
2736 |
# An echo program that does not interpret backslashes. |
2737 |
echo=$ltecho |
2738 |
|
2739 |
# The archiver. |
2740 |
AR=$AR |
2741 |
|
2742 |
# The default C compiler. |
2743 |
CC=$CC |
2744 |
|
2745 |
# The linker used to build libraries. |
2746 |
LD=$LD |
2747 |
|
2748 |
# Whether we need hard or soft links. |
2749 |
LN_S=$LN_S |
2750 |
|
2751 |
# A BSD-compatible nm program. |
2752 |
NM=$NM |
2753 |
|
2754 |
# Used on cygwin: DLL creation program. |
2755 |
DLLTOOL="$DLLTOOL" |
2756 |
|
2757 |
# Used on cygwin: object dumper. |
2758 |
OBJDUMP="$OBJDUMP" |
2759 |
|
2760 |
# Used on cygwin: assembler. |
2761 |
AS="$AS" |
2762 |
|
2763 |
# The name of the directory that contains temporary libtool files. |
2764 |
objdir=$objdir |
2765 |
|
2766 |
# How to create reloadable object files. |
2767 |
reload_flag=$reload_flag |
2768 |
reload_cmds=$reload_cmds |
2769 |
|
2770 |
# How to pass a linker flag through the compiler. |
2771 |
wl=$wl |
2772 |
|
2773 |
# Object file suffix (normally "o"). |
2774 |
objext="$objext" |
2775 |
|
2776 |
# Old archive suffix (normally "a"). |
2777 |
libext="$libext" |
2778 |
|
2779 |
# Executable file suffix (normally ""). |
2780 |
exeext="$exeext" |
2781 |
|
2782 |
# Additional compiler flags for building library objects. |
2783 |
pic_flag=$pic_flag |
2784 |
|
2785 |
# Does compiler simultaneously support -c and -o options? |
2786 |
compiler_c_o=$compiler_c_o |
2787 |
|
2788 |
# Can we write directly to a .lo ? |
2789 |
compiler_o_lo=$compiler_o_lo |
2790 |
|
2791 |
# Must we lock files when doing compilation ? |
2792 |
need_locks=$need_locks |
2793 |
|
2794 |
# Do we need the lib prefix for modules? |
2795 |
need_lib_prefix=$need_lib_prefix |
2796 |
|
2797 |
# Do we need a version for libraries? |
2798 |
need_version=$need_version |
2799 |
|
2800 |
# Whether dlopen is supported. |
2801 |
dlopen=$enable_dlopen |
2802 |
|
2803 |
# Whether dlopen of programs is supported. |
2804 |
dlopen_self=$enable_dlopen_self |
2805 |
|
2806 |
# Whether dlopen of statically linked programs is supported. |
2807 |
dlopen_self_static=$enable_dlopen_self_static |
2808 |
|
2809 |
# Compiler flag to prevent dynamic linking. |
2810 |
link_static_flag=$link_static_flag |
2811 |
|
2812 |
# Compiler flag to turn off builtin functions. |
2813 |
no_builtin_flag=$no_builtin_flag |
2814 |
|
2815 |
# Compiler flag to allow reflexive dlopens. |
2816 |
export_dynamic_flag_spec=$export_dynamic_flag_spec |
2817 |
|
2818 |
# Compiler flag to generate shared objects directly from archives. |
2819 |
whole_archive_flag_spec=$whole_archive_flag_spec |
2820 |
|
2821 |
# Compiler flag to generate thread-safe objects. |
2822 |
thread_safe_flag_spec=$thread_safe_flag_spec |
2823 |
|
2824 |
# Library versioning type. |
2825 |
version_type=$version_type |
2826 |
|
2827 |
# Format of library name prefix. |
2828 |
libname_spec=$libname_spec |
2829 |
|
2830 |
# List of archive names. First name is the real one, the rest are links. |
2831 |
# The last name is the one that the linker finds with -lNAME. |
2832 |
library_names_spec=$library_names_spec |
2833 |
|
2834 |
# The coded name of the library, if different from the real name. |
2835 |
soname_spec=$soname_spec |
2836 |
|
2837 |
# Commands used to build and install an old-style archive. |
2838 |
RANLIB=$RANLIB |
2839 |
old_archive_cmds=$old_archive_cmds |
2840 |
old_postinstall_cmds=$old_postinstall_cmds |
2841 |
old_postuninstall_cmds=$old_postuninstall_cmds |
2842 |
|
2843 |
# Create an old-style archive from a shared archive. |
2844 |
old_archive_from_new_cmds=$old_archive_from_new_cmds |
2845 |
|
2846 |
# Commands used to build and install a shared archive. |
2847 |
archive_cmds=$archive_cmds |
2848 |
archive_expsym_cmds=$archive_expsym_cmds |
2849 |
postinstall_cmds=$postinstall_cmds |
2850 |
postuninstall_cmds=$postuninstall_cmds |
2851 |
|
2852 |
# Method to check whether dependent libraries are shared objects. |
2853 |
deplibs_check_method=$deplibs_check_method |
2854 |
|
2855 |
# Command to use when deplibs_check_method == file_magic. |
2856 |
file_magic_cmd=$file_magic_cmd |
2857 |
|
2858 |
# Flag that allows shared libraries with undefined symbols to be built. |
2859 |
allow_undefined_flag=$allow_undefined_flag |
2860 |
|
2861 |
# Flag that forces no undefined symbols. |
2862 |
no_undefined_flag=$no_undefined_flag |
2863 |
|
2864 |
# Commands used to finish a libtool library installation in a directory. |
2865 |
finish_cmds=$finish_cmds |
2866 |
|
2867 |
# Same as above, but a single script fragment to be evaled but not shown. |
2868 |
finish_eval=$finish_eval |
2869 |
|
2870 |
# Take the output of nm and produce a listing of raw symbols and C names. |
2871 |
global_symbol_pipe=$global_symbol_pipe |
2872 |
|
2873 |
# Transform the output of nm in a proper C declaration |
2874 |
global_symbol_to_cdecl=$global_symbol_to_cdecl |
2875 |
|
2876 |
# This is the shared library runtime path variable. |
2877 |
runpath_var=$runpath_var |
2878 |
|
2879 |
# This is the shared library path variable. |
2880 |
shlibpath_var=$shlibpath_var |
2881 |
|
2882 |
# Is shlibpath searched before the hard-coded library search path? |
2883 |
shlibpath_overrides_runpath=$shlibpath_overrides_runpath |
2884 |
|
2885 |
# How to hardcode a shared library path into an executable. |
2886 |
hardcode_action=$hardcode_action |
2887 |
|
2888 |
# Flag to hardcode \$libdir into a binary during linking. |
2889 |
# This must work even if \$libdir does not exist. |
2890 |
hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec |
2891 |
|
2892 |
# Whether we need a single -rpath flag with a separated argument. |
2893 |
hardcode_libdir_separator=$hardcode_libdir_separator |
2894 |
|
2895 |
# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the |
2896 |
# resulting binary. |
2897 |
hardcode_direct=$hardcode_direct |
2898 |
|
2899 |
# Set to yes if using the -LDIR flag during linking hardcodes DIR into the |
2900 |
# resulting binary. |
2901 |
hardcode_minus_L=$hardcode_minus_L |
2902 |
|
2903 |
# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into |
2904 |
# the resulting binary. |
2905 |
hardcode_shlibpath_var=$hardcode_shlibpath_var |
2906 |
|
2907 |
# Compile-time system search path for libraries |
2908 |
sys_lib_search_path_spec=$sys_lib_search_path_spec |
2909 |
|
2910 |
# Run-time system search path for libraries |
2911 |
sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec |
2912 |
|
2913 |
# Fix the shell variable \$srcfile for the compiler. |
2914 |
fix_srcfile_path="$fix_srcfile_path" |
2915 |
|
2916 |
# Set to yes if exported symbols are required. |
2917 |
always_export_symbols=$always_export_symbols |
2918 |
|
2919 |
# The commands to list exported symbols. |
2920 |
export_symbols_cmds=$export_symbols_cmds |
2921 |
|
2922 |
# Symbols that should not be listed in the preloaded symbols. |
2923 |
exclude_expsyms=$exclude_expsyms |
2924 |
|
2925 |
# Symbols that must always be exported. |
2926 |
include_expsyms=$include_expsyms |
2927 |
|
2928 |
EOF |
2929 |
|
2930 |
case "$ltmain" in |
2931 |
*.sh) |
2932 |
echo '### END LIBTOOL CONFIG' >> "$ofile" |
2933 |
echo >> "$ofile" |
2934 |
case "$host_os" in |
2935 |
aix3*) |
2936 |
cat <<\EOF >> "$ofile" |
2937 |
|
2938 |
# AIX sometimes has problems with the GCC collect2 program. For some |
2939 |
# reason, if we set the COLLECT_NAMES environment variable, the problems |
2940 |
# vanish in a puff of smoke. |
2941 |
if test "${COLLECT_NAMES+set}" != set; then |
2942 |
COLLECT_NAMES= |
2943 |
export COLLECT_NAMES |
2944 |
fi |
2945 |
EOF |
2946 |
;; |
2947 |
esac |
2948 |
|
2949 |
# Append the ltmain.sh script. |
2950 |
sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1) |
2951 |
|
2952 |
chmod +x "$ofile" |
2953 |
;; |
2954 |
|
2955 |
*) |
2956 |
# Compile the libtool program. |
2957 |
echo "FIXME: would compile $ltmain" |
2958 |
;; |
2959 |
esac |
2960 |
|
2961 |
test -n "$cache_file" || exit 0 |
2962 |
|
2963 |
# AC_CACHE_SAVE |
2964 |
trap '' 1 2 15 |
2965 |
cat > confcache <<\EOF |
2966 |
# This file is a shell script that caches the results of configure |
2967 |
# tests run on this system so they can be shared between configure |
2968 |
# scripts and configure runs. It is not useful on other systems. |
2969 |
# If it contains results you don't want to keep, you may remove or edit it. |
2970 |
# |
2971 |
# By default, configure uses ./config.cache as the cache file, |
2972 |
# creating it if it does not exist already. You can give configure |
2973 |
# the --cache-file=FILE option to use a different cache file; that is |
2974 |
# what configure does when it calls configure scripts in |
2975 |
# subdirectories, so they share the cache. |
2976 |
# Giving --cache-file=/dev/null disables caching, for debugging configure. |
2977 |
# config.status only pays attention to the cache file if you give it the |
2978 |
# --recheck option to rerun configure. |
2979 |
# |
2980 |
EOF |
2981 |
# The following way of writing the cache mishandles newlines in values, |
2982 |
# but we know of no workaround that is simple, portable, and efficient. |
2983 |
# So, don't put newlines in cache variables' values. |
2984 |
# Ultrix sh set writes to stderr and can't be redirected directly, |
2985 |
# and sets the high bit in the cache file unless we assign to the vars. |
2986 |
(set) 2>&1 | |
2987 |
case `(ac_space=' '; set | grep ac_space) 2>&1` in |
2988 |
*ac_space=\ *) |
2989 |
# `set' does not quote correctly, so add quotes (double-quote substitution |
2990 |
# turns \\\\ into \\, and sed turns \\ into \). |
2991 |
sed -n \ |
2992 |
-e "s/'/'\\\\''/g" \ |
2993 |
-e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p" |
2994 |
;; |
2995 |
*) |
2996 |
# `set' quotes correctly as required by POSIX, so do not add quotes. |
2997 |
sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p' |
2998 |
;; |
2999 |
esac >> confcache |
3000 |
if cmp -s $cache_file confcache; then |
3001 |
: |
3002 |
else |
3003 |
if test -w $cache_file; then |
3004 |
echo "updating cache $cache_file" |
3005 |
cat confcache > $cache_file |
3006 |
else |
3007 |
echo "not updating unwritable cache $cache_file" |
3008 |
fi |
3009 |
fi |
3010 |
rm -f confcache |
3011 |
|
3012 |
exit 0 |
3013 |
|
3014 |
# Local Variables: |
3015 |
# mode:shell-script |
3016 |
# sh-indentation:2 |
3017 |
# End: |