> Von: Michael Wild
>
> On 18. Sep, 2009, at 8:14, Christian Ehrlicher wrote:
>
> > Hi,
> >
> > I've an external project which made the decision to create an
> > executable which exports symbols. This means if you want to write a
> > plugin for this project you have to link your plugin against this
> > executable.
> > Now I've the problem that FIND_LIBRARY doesn't find this executable.
> > Does anybody knows a hack to be able to link against an executable
> > which is not built by the project?
> >
> > I'm really lost here but I can't convince them to fix it... :(
> > Managing an own patch to work around this problem isn't a good long-
> > term perspective.
> >
> > Thx,
> > Christian
>
> find_program?
>
You're right - I did not know that TARGET_LINK_LIBRARIES accepts this.
> And that is a REALLY broken design (and AFAIK only works on Windows).
>
I'm currently investigating and think it doesn't work on linux at all (which
would be very good for me). I'm getting duplicate symbols :)
-->
FIND_PROGRAM(STAGE_LIB STAGE PATHS /opt/3dviewer/bin)
ADD_LIBRARY(dummy SHARED dummy.cpp)
TARGET_LINK_LIBRARIES(dummy ${STAGE_LIB})
-->
/usr/local/bin/c++ -fPIC -g -shared -Wl,-soname,libdummy.so -o libdummy.so
CMakeFiles/dummy.dir/dummy.cpp.o /opt/3dviewer/bin/STAGE
/opt/3dviewer/bin/STAGE: In function `_fini':
/usr/src/packages/BUILD/glibc-2.9/cc-nptl/csu/crti.S:37: multiple definition of
`_fini'
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../lib64/crti.o:/usr/src/packages/BUILD/glibc-2.9/cc-nptl/csu/crti.S:37:
first defined here
/opt/3dviewer/bin/STAGE: In function `_init':
/usr/src/packages/BUILD/glibc-2.9/cc-nptl/csu/crti.S:25: multiple definition of
`_init'
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../lib64/crti.o:/usr/src/packages/BUILD/glibc-2.9/cc-nptl/csu/crti.S:25:
first defined here
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/bin/ld:
libdummy.so: version node not found for symbol vtable for
__cxxabiv1::__class_type_info@@CXXABI_1.3
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/bin/ld:
failed to set dynamic section sizes: Bad value
collect2: ld returned 1 exit status
-->
I should have tried this earlier :)
Thx,
Christian
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