From 5e9435924c547555185d70470096e4f3a72124a6 Mon Sep 17 00:00:00 2001 From: Andreas Schneider Date: Wed, 22 Aug 2018 08:35:46 +0200 Subject: [PATCH] cmake: Set -D_FORTIFY_SOURCE=2 if possible Signed-off-by: Andreas Schneider --- CompilerChecks.cmake | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/CompilerChecks.cmake b/CompilerChecks.cmake index 5762ee15..4d8850c6 100644 --- a/CompilerChecks.cmake +++ b/CompilerChecks.cmake @@ -49,6 +49,14 @@ if (UNIX) endif() unset(CMAKE_REQUIRED_FLAGS) + + if (CMAKE_BUILD_TYPE) + string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER) + if (CMAKE_BUILD_TYPE_LOWER MATCHES (release|relwithdebinfo|minsizerel)) + add_c_compiler_flag("-Wp,-D_FORTIFY_SOURCE=2" SUPPORTED_COMPILER_FLAGS) + endif() + endif() + if (PICKY_DEVELOPER) add_c_compiler_flag("-Werror" SUPPORTED_COMPILER_FLAGS) add_c_compiler_flag("-Wno-error=deprecated-declarations" SUPPORTED_COMPILER_FLAGS)