From: Antonio Ospite Date: Thu, 1 Mar 2018 22:12:48 +0000 (+0100) Subject: CMakeLists.txt: use -fstack-protector-strong if available X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/5ef1e47f15e751cc42251adeb268ca85708ef4ae?ds=inline;hp=334caf4bf365af55c14357f2c11307a0c2129e09 CMakeLists.txt: use -fstack-protector-strong if available This is available since gcc-4.9. --- diff --git a/CMakeLists.txt b/CMakeLists.txt index 9b733f3..73657f8 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -65,8 +65,15 @@ if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG) -Wswitch-enum -Wundef -Wunreachable-code - -Wwrite-strings - -fstack-protector) + -Wwrite-strings) + + include(CheckCCompilerFlag) + CHECK_C_COMPILER_FLAG(-fstack-protector-strong COMPILER_SUPPORTS_STACK_PROTECTOR_STRONG) + if (COMPILER_SUPPORTS_STACK_PROTECTOR_STRONG) + add_flags(CMAKE_C_FLAGS -fstack-protector-strong) + else() + add_flags(CMAKE_C_FLAGS -fstack-protector) + endif() add_flags(DEBUG_FLAGS -ggdb)