C++/CMake / Only link gcc_s library when making a shared library build (caffe only) #126621
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We are making a static build of libtorch for a static executable, and this is getting in our way.
The link fails with "gcc_s not found". I just found out that the _s version of libgcc is a shared library, so we can't bring in in a static build.
This fix just add a conditional to bring in gcc_s. The existing code only affect the caffe build.
cc @malfet @seemethere