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cmake: Set -D_FORTIFY_SOURCE=2 if possible

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 5e9435924c)
This commit is contained in:
Andreas Schneider
2018-08-22 08:35:46 +02:00
parent fabaab1540
commit 455b3a7865
1 changed files with 8 additions and 0 deletions
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8
CompilerChecks.cmake
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@@ -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)