From e4e3fba8788efe3a4b6160938e9b0a5284943391 Mon Sep 17 00:00:00 2001 From: Steffen Vogel Date: Sat, 23 Jun 2018 19:58:39 +0200 Subject: [PATCH] cmake: add -Wall -Werror --- CMakeLists.txt | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index 11d0514e8..f01160e05 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -31,6 +31,32 @@ set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH ON) find_package(PkgConfig) include(CheckIncludeFile) include(FeatureSummary) +include(CheckCCompilerFlag) +#include(CheckCxxCompilerFlag) + +if(MSVC) + check_c_compiler_flag("/W4 /WX" C_SUPPORTS_WERROR) +# check_cxx_compiler_flag("/W4 /WX" CXX_SUPPORTS_WERROR) + + if(C_SUPPORTS_WERROR) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4 /WX") + endif() + + if(CXX_SUPPORTS_WERROR) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /WX") + endif() +else() + check_c_compiler_flag("-Wall -Werror" C_SUPPORTS_WERROR) +# check_cxx_compiler_flag("-Wall -Werror" CXX_SUPPORTS_WERROR) + + if(C_SUPPORTS_WERROR) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror") + endif() + + if(CXX_SUPPORTS_WERROR) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror") + endif() +endif() # Check OS check_include_file("sys/eventfd.h" HAS_EVENTFD)