[CMake] How to specify -fpic ?

[David Aldrich]

Hi

My C++ code consists of an executable and several shared libraries.

With my CMake build files, I find that the executable fails to load the shared libraries ( the dlopen() call results in error 'undefined symbol...' ).

The software works fine under our production build system that uses manually coded makefiles.

I notice that the production system linker command invokes -fpic, while CMake uses -fPIC. I am wondering if that is the reason.

I set the compile flags with:

set( CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG -Wall -m64" )

How can I replace -fPIC with -fpic in CMake please?

Best regards
David



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