cmake LIBCXX_HAS_GCC_LIB examples

Lewuathe/mlir-hello thirdparty/llvm-project/libcxx/CMakeLists.txt :674 

elseif (LIBCXX_HAS_GCC_LIB)

Lewuathe/mlir-hello thirdparty/llvm-project/libcxx/cmake/config-ix.cmake :23 

check_library_exists(gcc __gcc_personality_v0 "" LIBCXX_HAS_GCC_LIB)

Lewuathe/mlir-hello thirdparty/llvm-project/libcxx/cmake/config-ix.cmake :64 

elseif (LIBCXX_HAS_GCC_LIB)

CTSRD-CHERI/cheribsd contrib/subrepo-cheri-libc++/CMakeLists.txt :675 

elseif (LIBCXX_HAS_GCC_LIB)

CTSRD-CHERI/cheribsd contrib/subrepo-cheri-libc++/cmake/config-ix.cmake :30 

check_library_exists(gcc __gcc_personality_v0 "" LIBCXX_HAS_GCC_LIB)

CTSRD-CHERI/cheribsd contrib/subrepo-cheri-libc++/cmake/config-ix.cmake :69 

elseif (LIBCXX_HAS_GCC_LIB)