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Gordon Matzigkeit
Gordon Matzigkeit
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11
ChangeLog
11
ChangeLog
@ -1,3 +1,14 @@
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Fri Sep 5 13:11:38 1997 Gordon Matzigkeit <gord@gnu.ai.mit.edu>
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* ltconfig.in (with_gnu_ld): Add a test to make sure that we are
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actually using GNU ld. This fixes an inconsistency when running
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ltconfig without using libtool.m4. Reported by Ulrich Drepper.
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Thu Sep 4 21:53:08 1997 Gordon Matzigkeit <gord@gnu.ai.mit.edu>
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* ltmain.sh.in (echo): Quote all the uses of `echo' in all eval
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statements.
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Thu Aug 28 20:58:56 1997 Gordon Matzigkeit <gord@gnu.ai.mit.edu>
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* ltmain.sh.in (echo): Change test to one that uses printf.
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55
README-alpha
55
README-alpha
@ -3,3 +3,58 @@ This is an alpha testing release of GNU libtool.
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Please do not send any bug reports or questions about it to public
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forums (such as GNU newsgroups), send them directly to the libtool
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mailing list <bug-libtool@gnu.ai.mit.edu>.
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CALL FOR HELP: In order to implement dlopening even on archictectures
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that don't have shared libraries, I am collecting `NM' and
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`global_symbol_pipe' values for every known operating system.
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If ltconfig on your system says that it found the command to parse NM
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output, then you don't need to look any further:
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checking command to parse NM output... yes
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Otherwise, I would very much appreciate hearing about the combination
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of `NM' and `global_symbol_pipe' that ltconfig needs to use in order
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to pass this test.
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`NM' is set by ltconfig to be an nm program that gives BSD-compatible
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symbol output, such as:
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$ nm assert-perr.o
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U _IO_stderr_
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00000000 T __assert_perror_fail
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U __assert_program_name
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U abort
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U fflush
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U fprintf
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U strerror
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If your OS's nm cannot produce output like this, that's still okay,
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but, for simplicity, I prefer using this kind of output.
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Then, global_symbol_pipe is a command that takes all exported symbols,
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including undefined ones, and produces a two-column list of them. The
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contents of the first column are the raw symbol name, and the second
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column contains the name needed to access the symbols from a C
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program.
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So, on most OSes, this will be a command like:
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$ nm assert-perr.o | \
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sed -e '/^.* [BCDEGRSTU] /!d' -e 's/^.* [BCDEGRSTU] \(.*\)$/\1 \1/'
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_IO_stderr_ _IO_stderr_
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__assert_perror_fail __assert_perror_fail
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__assert_program_name __assert_program_name
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abort abort
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fflush fflush
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fprintf fprintf
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strerror strerror
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On some OSes, the C symbols will need to strip a leading underscore:
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__IO_stderr_ _IO_stderr_
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___assert_perror_fail __assert_perror_fail
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___assert_program_name __assert_program_name
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_abort abort
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_fflush fflush
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_fprintf fprintf
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_strerror strerror
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6
libtool.m4
vendored
6
libtool.m4
vendored
@ -21,7 +21,7 @@
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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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# serial 11 AM_PROG_LIBTOOL
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# serial 12 AM_PROG_LIBTOOL
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AC_DEFUN(AM_PROG_LIBTOOL,
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[AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([AC_PROG_RANLIB])
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@ -155,9 +155,9 @@ AM_PROG_LD_GNU
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])
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AC_DEFUN(AM_PROG_LD_GNU,
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[AC_CACHE_CHECK([whether we are using GNU ld], ac_cv_prog_gnu_ld,
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[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
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[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
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if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' > /dev/null; then
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if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
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ac_cv_prog_gnu_ld=yes
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else
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ac_cv_prog_gnu_ld=no
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10
ltconfig.in
10
ltconfig.in
@ -610,6 +610,16 @@ case "$LD" in
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;;
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esac
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# Check to see if it really is or isn't GNU ld.
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echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
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# I'd rather use --version here, but apparently some GNU ld's only accept -v.
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if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
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with_gnu_ld=yes
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else
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with_gnu_ld=no
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fi
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echo $ac_t "$with_gnu_ld" 1>&6
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# See if the linker supports building shared libraries.
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echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
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32
ltmain.sh.in
32
ltmain.sh.in
@ -30,7 +30,7 @@ else
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# echo "$something" | sed 's/\\/\\\\/g'
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# So, we emulate echo with printf '%s\n'
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echo='printf %s\n'
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if test X`$echo '\t'` = 'X\t'; then :
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if test "X`$echo '\t'`" = 'X\t'; then :
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else
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# Oops. We have no working printf. Try to find a not-so-buggy echo.
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echo=echo
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@ -38,7 +38,7 @@ else
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save_PATH="$PATH"
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PATH="$PATH":/usr/ucb
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for dir in $PATH; do
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if test -f $dir/echo && test X`$dir/echo '\t'` = 'X\t'; then
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if test -f $dir/echo && test "X`$dir/echo '\t'`" = 'X\t'; then
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echo="$dir/echo"
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break
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fi
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@ -368,7 +368,7 @@ if test -z "$show_help"; then
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# link it into a program.
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if test "$build_libtool_libs" != yes; then
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$show "$echo timestamp > $libobj"
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$run eval "$echo timestamp > \$libobj" || exit $?
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$run eval "\$echo timestamp > \$libobj" || exit $?
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fi
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exit 0
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@ -471,7 +471,7 @@ if test -z "$show_help"; then
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-export-dynamic)
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if test "$export_dynamic" != yes; then
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export_dynamic=yes
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arg=`eval $echo "$export_dynamic_flag_spec"`
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arg=`eval \$echo "$export_dynamic_flag_spec"`
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# Add the symbol object into the linking commands.
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compile_command="$compile_command @SYMFILE@"
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@ -647,7 +647,7 @@ if test -z "$show_help"; then
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fi
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if test -n "$libdir"; then
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flag=`eval $echo \"$hardcode_libdir_flag_spec\"`
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flag=`eval \$echo \"$hardcode_libdir_flag_spec\"`
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compile_command="$compile_command $flag"
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finalize_command="$finalize_command $flag"
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@ -922,13 +922,13 @@ if test -z "$show_help"; then
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if test "$build_libtool_libs" = yes; then
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# Get the real and link names of the library.
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library_names=`eval $echo \"$library_names_spec\"`
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library_names=`eval \$echo \"$library_names_spec\"`
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set dummy $library_names
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realname="$2"
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shift; shift
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if test -n "$soname_spec"; then
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soname=`eval $echo \"$soname_spec\"`
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soname=`eval \$echo \"$soname_spec\"`
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else
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soname="$realname"
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fi
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@ -944,7 +944,7 @@ if test -z "$show_help"; then
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test -z "$pic_flag" && libobjs=`$echo "$libobjs " | sed -e 's/\.lo /.o /g' -e 's/ $//g'`
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# Do each of the archive commands.
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cmds=`eval $echo \"$archive_cmds\"`
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cmds=`eval \$echo \"$archive_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1014,7 +1014,7 @@ if test -z "$show_help"; then
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reload_objs="$objs"`$echo "$libobjs " | sed -e 's/[^ ]*\.a //g' -e 's/\.lo /.o /g' -e 's/ $//g'`
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output="$obj"
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cmds=`eval $echo \"$reload_cmds\"`
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cmds=`eval \$echo \"$reload_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1030,7 +1030,7 @@ if test -z "$show_help"; then
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# Create an invalid libtool object if no PIC, so that we don't
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# accidentally link it into a program.
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$show "$echo timestamp > $libobj"
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$run eval "$echo timestamp > $libobj" || exit $?
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$run eval "\$echo timestamp > $libobj" || exit $?
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exit 0
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fi
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@ -1038,7 +1038,7 @@ if test -z "$show_help"; then
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# Only do commands if we really have different PIC objects.
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reload_objs="$libobjs"
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output="$libobj"
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cmds=`eval $echo \"$reload_cmds\"`
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cmds=`eval \$echo \"$reload_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1371,7 +1371,7 @@ EOF
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fi
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# Do each command in the archive commands.
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cmds=`eval $echo \"$old_archive_cmds\"`
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cmds=`eval \$echo \"$old_archive_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1645,7 +1645,7 @@ EOF
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# Do each command in the postinstall commands.
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lib="$destdir/$realname"
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cmds=`eval $echo \"$postinstall_cmds\"`
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cmds=`eval \$echo \"$postinstall_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1792,7 +1792,7 @@ EOF
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fi
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# Do each command in the postinstall commands.
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cmds=`eval $echo \"$old_postinstall_cmds\"`
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cmds=`eval \$echo \"$old_postinstall_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1829,7 +1829,7 @@ EOF
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for libdir in $libdirs; do
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# Do each command in the postinstall commands.
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cmds=`eval $echo \"$finish_cmds\"`
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cmds=`eval \$echo \"$finish_cmds\"`
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IFS="${IFS= }"; save_ifs="$IFS"; IFS=';'
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for cmd in $cmds; do
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IFS="$save_ifs"
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@ -1971,7 +1971,7 @@ EOF
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exit 1
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else
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# Display what would be done.
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eval "$echo \"\$shlibpath_var=\$$shlibpath_var\""
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eval "\$echo \"\$shlibpath_var=\$$shlibpath_var\""
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$echo "export $shlibpath_var"
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$echo "$cmd$args"
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exit 0
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