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FYI: libtool: cygwin/mingw/pw update: enable-auto-image-base
From: |
Ralf Wildenhues |
Subject: |
FYI: libtool: cygwin/mingw/pw update: enable-auto-image-base |
Date: |
Thu, 8 Sep 2005 09:02:13 +0200 |
User-agent: |
Mutt/1.4.1i |
Hi Bob, Earnie, Charles, Peter, everyone, :)
* Bob Friesenhahn wrote on Wed, Sep 07, 2005 at 09:23:18PM CEST:
> On Wed, 7 Sep 2005, Earnie Boyd wrote:
>
> >I'm not opposed either, I believe it is the default, IIRC. The pw port
> >isn't
> >maintained that I've noticed. The submitter is the authority for Cygwin.
>
> The comment about pw is an understatement. It seems to me that 'pw'
> failed shortly after leaving the gate due to being a rebel without a
> cause. It failed years ago and support for it should be removed from
> libtool.
*blush* I never knew what pw really was, and thought maybe it was so
clear to everybody that I didn't bother to actually ask..
Anyways, thanks everyone who helped in this thread. After reading all
provided references, I have applied the patch to both CVS HEAD and
branch-1-5. For reference, the backport is shown below.
(By the way, should this setting ever be made overridable by the user,
we could think about moving it to be before $compiler_flags, right?)
Cheers,
Ralf
2005-09-08 Charles Wilson <address@hidden>
* libtool.m4 (AC_LIBTOOL_LANG_CXX_CONFIG)
(AC_LIBTOOL_PROG_LD_SHLIBS) [ cygwin, mingw, pw32 ]: Use
--enable-auto-image-base instead of a fixed image base address.
Index: libtool.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/Attic/libtool.m4,v
retrieving revision 1.314.2.108
diff -u -r1.314.2.108 libtool.m4
--- libtool.m4 6 Sep 2005 08:59:00 -0000 1.314.2.108
+++ libtool.m4 8 Sep 2005 06:58:25 -0000
@@ -2944,7 +2944,7 @@
_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
- _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects
$libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname
${wl}--image-base=0x10000000 ${wl}--out-implib,$lib'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects
$libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname
${wl}--enable-auto-image-base ${wl}--out-implib,$lib'
# If the export-symbols file already is a .def file (1st line
# is EXPORTS), use it as is; otherwise, prepend...
_LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q
$export_symbols`" = xEXPORTS; then
@@ -2953,7 +2953,7 @@
echo EXPORTS > $output_objdir/$soname.def;
cat $export_symbols >> $output_objdir/$soname.def;
fi~
- $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects
$libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname
${wl}--image-base=0x10000000 ${wl}--out-implib,$lib'
+ $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects
$libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname
${wl}--enable-auto-image-base ${wl}--out-implib,$lib'
else
_LT_AC_TAGVAR(ld_shlibs, $1)=no
fi
@@ -5344,7 +5344,7 @@
_LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience |
$global_symbol_pipe | $SED -e '\''/^[[BCDGRS]] /s/.* \([[^ ]]*\)/\1 DATA/'\'' |
$SED -e '\''/^[[AITW]] /s/.* //'\'' | sort | uniq > $export_symbols'
if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
- _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs
$compiler_flags -o $output_objdir/$soname ${wl}--image-base=0x10000000
${wl}--out-implib,$lib'
+ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs
$compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base
${wl}--out-implib,$lib'
# If the export-symbols file already is a .def file (1st line
# is EXPORTS), use it as is; otherwise, prepend...
_LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q
$export_symbols`" = xEXPORTS; then
@@ -5353,7 +5353,7 @@
echo EXPORTS > $output_objdir/$soname.def;
cat $export_symbols >> $output_objdir/$soname.def;
fi~
- $CC -shared $output_objdir/$soname.def $libobjs $deplibs
$compiler_flags -o $output_objdir/$soname ${wl}--image-base=0x10000000
${wl}--out-implib,$lib'
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs
$compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base
${wl}--out-implib,$lib'
else
_LT_AC_TAGVAR(ld_shlibs, $1)=no
fi