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| author | Christian Rauch <Rauch.Christian@gmx.de> | 2021-02-01 20:25:24 -0800 |
|---|---|---|
| committer | Christian Rauch <Rauch.Christian@gmx.de> | 2021-02-01 20:25:24 -0800 |
| commit | cb5a3b73ba92c31b96a44b6ba3fe49a8aa46fb35 (patch) | |
| tree | 196b38d728b8f7ed4220a7f3e611cb83694da0f5 | |
| parent | ee96c176915965a8a6f45285afceaaa61059255f (diff) | |
| download | sdl-cb5a3b73ba92c31b96a44b6ba3fe49a8aa46fb35.tar.gz | |
cmake: enable AddressSanitizer in Debug builds if supported
| -rw-r--r-- | CMakeLists.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 40ddc0d03..4e20eefd2 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -34,6 +34,7 @@ include(CheckSymbolExists) include(CheckCSourceCompiles) include(CheckCSourceRuns) include(CheckCCompilerFlag) +include(CheckCXXCompilerFlag) include(CheckTypeSize) include(CheckStructHasMember) include(CMakeDependentOption) @@ -2323,6 +2324,56 @@ if(SDL_STATIC) endif() endif() +macro(asan_check_add_debug_flag ASAN_FLAG) + set(FLAG "-fsanitize=${ASAN_FLAG}") + + check_c_compiler_flag(${FLAG} HAS_C_FLAG_${ASAN_FLAG}) + if (HAS_C_FLAG_${ASAN_FLAG}) + set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAG}") + endif() + + check_cxx_compiler_flag("${FLAG}" HAS_CXX_${ASAN_FLAG}) + if (HAS_CXX_${ASAN_FLAG}) + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAG}") + endif() +endmacro() + +macro(asan_check_add_debug_flag2 ASAN_FLAG) + # for some sanitize flags we have to manipulate the CMAKE_REQUIRED_LIBRARIES: + # http://cmake.3232098.n2.nabble.com/CHECK-CXX-COMPILER-FLAG-doesn-t-give-correct-result-for-fsanitize-address-tp7600216p7600217.html + + set(FLAG "-fsanitize=${ASAN_FLAG}") + + set (STORED_REQLIBS ${CMAKE_REQUIRED_LIBRARIES}) + set (CMAKE_REQUIRED_LIBRARIES "${FLAG};asan") + check_c_compiler_flag (${FLAG} HAS_C_FLAG_${ASAN_FLAG}) + check_cxx_compiler_flag (${FLAG} HAS_CXX_FLAG_${ASAN_FLAG}) + set (CMAKE_REQUIRED_LIBRARIES ${STORED_REQLIBS}) + + if (HAS_C_FLAG_${ASAN_FLAG}) + set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAG}") + endif() + + if (HAS_CXX_${ASAN_FLAG}) + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAG}") + endif() +endmacro() + +# enable AddressSanitizer if supported +asan_check_add_debug_flag2("address") +asan_check_add_debug_flag("bool") +asan_check_add_debug_flag("bounds") +asan_check_add_debug_flag("enum") +asan_check_add_debug_flag("float-cast-overflow") +asan_check_add_debug_flag("float-divide-by-zero") +asan_check_add_debug_flag("nonnull-attribute") +asan_check_add_debug_flag("returns-nonnull-attribute") +asan_check_add_debug_flag("signed-integer-overflow") +asan_check_add_debug_flag("undefined") +asan_check_add_debug_flag("vla-bound") +asan_check_add_debug_flag("leak") +asan_check_add_debug_flag("object-size") + ##### Tests ##### if(SDL_TEST) |