cmake HAVE_TIMINGSAFE_MEMCMP examples

3MFConsortium/lib3mf Libraries/libressl/CMakeLists.txt :297 

check_function_exists(timingsafe_memcmp HAVE_TIMINGSAFE_MEMCMP)

crossuo/crossuo deps/cmcurl/lib/libressl/CMakeLists.txt :266 

check_function_exists(timingsafe_memcmp HAVE_TIMINGSAFE_MEMCMP)

yanhua133/mediasoup-sfu-cpp deps/libressl/CMakeLists.txt :279 

check_function_exists(timingsafe_memcmp HAVE_TIMINGSAFE_MEMCMP)

cvet/fonline ThirdParty/LibreSSL/CMakeLists.txt :320 

check_symbol_exists(timingsafe_memcmp "string.h" HAVE_TIMINGSAFE_MEMCMP)

cvet/fonline ThirdParty/LibreSSL/CMakeLists.txt :322 

add_definitions(-DHAVE_TIMINGSAFE_MEMCMP)