|  | include(CheckCXXCompilerFlag) | 
|  |  | 
|  | check_cxx_compiler_flag(-Wall OPENMP_HAVE_WALL_FLAG) | 
|  | check_cxx_compiler_flag(-Werror OPENMP_HAVE_WERROR_FLAG) | 
|  |  | 
|  | # Additional warnings that are not enabled by -Wall. | 
|  | check_cxx_compiler_flag(-Wcast-qual OPENMP_HAVE_WCAST_QUAL_FLAG) | 
|  | check_cxx_compiler_flag(-Wformat-pedantic OPENMP_HAVE_WFORMAT_PEDANTIC_FLAG) | 
|  | check_cxx_compiler_flag(-Wimplicit-fallthrough OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG) | 
|  | check_cxx_compiler_flag(-Wsign-compare OPENMP_HAVE_WSIGN_COMPARE_FLAG) | 
|  |  | 
|  | # Warnings that we want to disable because they are too verbose or fragile. | 
|  | check_cxx_compiler_flag(-Wno-extra OPENMP_HAVE_WNO_EXTRA_FLAG) | 
|  | check_cxx_compiler_flag(-Wno-pedantic OPENMP_HAVE_WNO_PEDANTIC_FLAG) | 
|  | check_cxx_compiler_flag(-Wno-maybe-uninitialized OPENMP_HAVE_WNO_MAYBE_UNINITIALIZED_FLAG) | 
|  |  | 
|  | check_cxx_compiler_flag(-std=c++14 OPENMP_HAVE_STD_CPP14_FLAG) |