Re: Disable --whole-archive when using convenience archives

[Alon Bar-Lev]

On Thu, Jan 7, 2010 at 10:10 PM, Ralf Wildenhues <address@hidden> wrote:
> * Alon Bar-Lev wrote on Thu, Jan 07, 2010 at 09:07:46AM CET:
>> > For some strange reason this workaround does not work in Windows when
>> > creating a DLL.
>> >
>> > I get:
>> > ---
>> > /bin/sh ../../../../libtool --tag=CC   --mode=link
>> > x86_64-w64-mingw32-gcc  -g -O2 -pedantic -Wall -Wextra  -module
>> > -shared -avoid-version -no-undefined -export-symbols x.exports -o x.la
>> > -rpath /tmp/xxx/lib x.lo ../../../../src/lib/core/libcore.la -lws2_32
>> >
>> > *** Warning: This system can not link to static lib archive
>> > ../../../../src/lib/core/libcore.la.
>> > *** I have the capability to make that library automatically link in
>> > when
>> > *** you link to this library.  But I can only do this if you have a
>> > *** shared version of the library, which you do not appear to have.
>> > *** But as you try to build a module library, libtool will still create
>> > *** a static module, that should work as long as the dlopening application
>> > *** is linked with the -dlopen flag to resolve symbols at runtime.
>> > ---
>> >
>> > If I modify libtool:
>> > if test "$deplibs_check_method" != pass_all; then
>> > To:
>> > if false && test "$deplibs_check_method" != pass_all; then
>> >
>> > It works...
>
>> Any idea how to workaround/solve this on windows host?
>
> I'm not sure I understand correctly.  libtool prints a warning, but
> should not fail.  Is the result usable?  If not, then the build should
> end with an error in a later link: can you post it and its output?
>
> Thanks,
> Ralf
>

Here it is:
liba - should be static
libb - should be dynamic, liking with liba without whole archive.

Works on UNIX does not on Windows.

Attached are the sources.

Thanks,
Alon.

---

make  all-am
make[1]: Entering directory `/home/alonbl/tmp/xx/libtool'
/bin/sh ./libtool --tag=CC   --mode=compile i686-w64-mingw32-gcc
-DHAVE_CONFIG_H -I.     -g -O2 -MT b.lo -MD -MP -MF .deps/b.Tpo -c -o
b.lo b.c
libtool: compile:  i686-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -g -O2 -MT
b.lo -MD -MP -MF .deps/b.Tpo -c b.c  -DDLL_EXPORT -DPIC -o .libs/b.o
libtool: compile:  i686-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -g -O2 -MT
b.lo -MD -MP -MF .deps/b.Tpo -c b.c -o b.o >/dev/null 2>&1
mv -f .deps/b.Tpo .deps/b.Plo
/bin/sh ./libtool --tag=CC   --mode=compile i686-w64-mingw32-gcc
-DHAVE_CONFIG_H -I.     -prefer-pic -g -O2 -MT liba_la-a.lo -MD -MP
-MF .deps/liba_la-a.Tpo -c -o liba_la-a.lo `test -f 'a.c' || echo
'./'`a.c
libtool: compile:  i686-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -g -O2 -MT
liba_la-a.lo -MD -MP -MF .deps/liba_la-a.Tpo -c a.c  -DDLL_EXPORT
-DPIC -o .libs/liba_la-a.o
libtool: compile:  i686-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -g -O2 -MT
liba_la-a.lo -MD -MP -MF .deps/liba_la-a.Tpo -c a.c -o liba_la-a.o
>/dev/null 2>&1
mv -f .deps/liba_la-a.Tpo .deps/liba_la-a.Plo
/bin/sh ./libtool --tag=CC   --mode=link i686-w64-mingw32-gcc
-prefer-pic -g -O2  -rpath /usr/local/lib -static  -o liba.la
liba_la-a.lo
libtool: link: warning: undefined symbols not allowed in
i686-w64-mingw32 shared libraries
libtool: link: i686-w64-mingw32-ar cru .libs/liba.a  liba_la-a.o
libtool: link: i686-w64-mingw32-ranlib .libs/liba.a
libtool: link: ( cd ".libs" && rm -f "liba.la" && ln -s "../liba.la" "liba.la" )
/bin/sh ./libtool --tag=CC   --mode=link i686-w64-mingw32-gcc  -g -O2
-module -shared -avoid-version -no-undefined -export-symbols
./libb.exports  -o libb.la -rpath /usr/local/lib b.lo liba.la

*** Warning: This system can not link to static lib archive liba.la.
*** I have the capability to make that library automatically link in when
*** you link to this library.  But I can only do this if you have a
*** shared version of the library, which you do not appear to have.
*** But as you try to build a module library, libtool will still create
*** a static module, that should work as long as the dlopening application
*** is linked with the -dlopen flag to resolve symbols at runtime.
libtool: link: i686-w64-mingw32-ar cru .libs/libb.a .libs/b.o
libtool: link: i686-w64-mingw32-ranlib .libs/libb.a
libtool: link: ( cd ".libs" && rm -f "libb.la" && ln -s "../libb.la" "libb.la" )
make[1]: Leaving directory `/home/alonbl/tmp/xx/libtool'

libtool-whole.tar.bz2
Description: BZip2 compressed data