Kevin, I use something like this:
# Is HOST_NAME_MAX available? include( CheckSymbolExists ) check_symbol_exists( HOST_NAME_MAX “unistd.h winsock2.h” HAVE_HOST_NAME_MAX ) -kt From: CMake <cmake-boun...@cmake.org> On Behalf Of K. Ebrahimp. Sent: Friday, September 7, 2018 6:07 AM To: cmake@cmake.org Subject: [CMake] CheckSymbolExists / CheckCXXSymbolExists hi all can anybody help me with a working example of CheckSymbolExists / CheckCXXSymbolExists I want to check if a some define exists in my header file example1.h of clib1 and/or c++lib2 depending on the result I want to add/remove some tests thanks in advance Kevin
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