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* ltmain.in (func_generate_dlsyms) [cygwin, mingw]: when creating

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a .exp file for an executable, also create a .def file, and add
that file to the link command via SYMFILES.  This causes binutils
to generate an .edata section, and allows self dlopening to work.
* NEWS: Updated.
This commit is contained in:
Charles Wilson 2004-09-22 08:50:34 +00:00 committed by Gary V. Vaughan
parent 8bf60ee1c8
commit 8c7eb9e5c9
3 changed files with 36 additions and 4 deletions
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6
ChangeLog
View File

@ -1,5 +1,11 @@
2004-09-22 Charles Wilson <cwilson@spam.protected>
* ltmain.in (func_generate_dlsyms) [cygwin, mingw]: when creating
a .exp file for an executable, also create a .def file, and add
that file to the link command via SYMFILES. This causes binutils
to generate an .edata section, and allows self dlopening to work.
* NEWS: Updated.
* m4/libtool.m4 (_LT_SYS_DYNAMIC_LINKER): better quoting for
postinstall_cmds and postuninstall_cmds to allow spaces in install
paths.

1
NEWS
View File

@ -17,6 +17,7 @@ New in 1.9d: 2004-??-??; CVS version 1.9c, Libtool team:
types have been exchanged. See libltdl/slist.c for documentation.
* libltdl is C89 compatible again. lt_dlsymbol type removed, and lt_dlsymlist
structure changed to avoid using C99 flexible arrays.
* Support self dlopening for executables on cygwin and mingw.
* Improved support for linux-gnu/ia64.
* Fixed some memory leaks in libltdl.

33
config/ltmain.in
View File

@ -1019,8 +1019,18 @@ extern \"C\" {
export_symbols="$output_objdir/$output.exp"
$run $RM $export_symbols
$run eval "${SED} -n -e '/^: @PROGRAM@$/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
case $host in
*cygwin* | *mingw* )
$run eval "${SED} -e '1iEXPORTS'"' < "$export_symbols" > "$output_objdir/$output.def"'
;;
esac
else
$run eval "${SED} -e 's/\([][.*^$]\)/\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$output.exp"'
case $host in
*cygwin | *mingw* )
$run eval "${SED} -e '1iEXPORTS'"' < "$output_objdir/$output.exp" > "$output_objdir/$output.def"'
;;
esac
$run eval '$GREP -f "$output_objdir/$output.exp" < "$nlist" > "$nlist"T'
$run eval '$MV "$nlist"T "$nlist"'
fi
@ -1142,8 +1152,21 @@ static const void *lt_preloaded_setup() {
# Transform the symbol file into the correct name.
symfileobj="$output_objdir/${my_outputname}S.$objext"
compile_command=`$echo "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
finalize_command=`$echo "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
case $host in
*cygwin* | *mingw* )
if test -f "$output_objdir/$my_outputname.def"; then
compile_command=`$echo "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
finalize_command=`$echo "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
else
compile_command=`$echo "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
finalize_command=`$echo "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
fi
;;
*)
compile_command=`$echo "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
finalize_command=`$echo "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
;;
esac
;;
*)
func_fatal_error "unknown suffix for \`$my_dlsyms'"
@ -5828,8 +5851,10 @@ EOF
esac
case $host in
*cygwin* | *mingw* )
cwrappersource=`$echo ${objdir}/lt-${output}.c`
cwrapper=`$echo ${output}.exe`
output_name=`basename $output`
output_path=`dirname $output`
cwrappersource=`$echo "$output_path/$objdir/lt-$output_name.c"`
cwrapper=`$echo "$output_path/$output_name.exe"`
$RM $cwrappersource $cwrapper
trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15