diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index e431f3e027b..bbbc21cee58 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -175,6 +175,81 @@ MARK_AS_ADVANCED(CYBOZU BACKUP_TEST WITHOUT_SERVER DISABLE_SHARED) OPTION(NOT_FOR_DISTRIBUTION "Allow linking with GPLv2-incompatible system libraries. Only set it you never plan to distribute the resulting binaries" OFF) +include(CheckCSourceCompiles) +include(CheckCXXSourceCompiles) +# We need some extra FAIL_REGEX patterns +# Note that CHECK_C_SOURCE_COMPILES is a misnomer, it will also link. +MACRO (MY_CHECK_C_COMPILER_FLAG FLAG RESULT) + SET(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}") + CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT} + FAIL_REGEX "argument unused during compilation" + FAIL_REGEX "unsupported .*option" + FAIL_REGEX "unknown .*option" + FAIL_REGEX "unrecognized .*option" + FAIL_REGEX "ignoring unknown option" + FAIL_REGEX "[Ww]arning: [Oo]ption" + ) + SET(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}") +ENDMACRO() + +MACRO (MY_CHECK_CXX_COMPILER_FLAG FLAG RESULT) + SET(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}") + CHECK_CXX_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT} + FAIL_REGEX "argument unused during compilation" + FAIL_REGEX "unsupported .*option" + FAIL_REGEX "unknown .*option" + FAIL_REGEX "unrecognized .*option" + FAIL_REGEX "ignoring unknown option" + FAIL_REGEX "[Ww]arning: [Oo]ption" + ) + SET(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}") +ENDMACRO() + +OPTION(WITH_ASAN "Enable address sanitizer" OFF) +IF (WITH_ASAN) + # gcc 4.8.1 and new versions of clang + MY_CHECK_C_COMPILER_FLAG("-fsanitize=address" HAVE_C_FSANITIZE) + MY_CHECK_CXX_COMPILER_FLAG("-fsanitize=address" HAVE_CXX_FSANITIZE) + + IF(HAVE_C_FSANITIZE AND HAVE_CXX_FSANITIZE) + # We switch on basic optimization also for debug builds. + # With optimization we may get some warnings, so we switch off -Werror + SET(CMAKE_C_FLAGS_DEBUG + "${CMAKE_C_FLAGS_DEBUG} -fsanitize=address -O1 -Wno-error -fPIC") + SET(CMAKE_C_FLAGS_RELWITHDEBINFO + "${CMAKE_C_FLAGS_RELWITHDEBINFO} -fsanitize=address -fPIC") + SET(CMAKE_CXX_FLAGS_DEBUG + "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -O1 -Wno-error -fPIC") + SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO + "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fsanitize=address -fPIC") + SET(WITH_ASAN_OK 1) + ELSE() + # older versions of clang + MY_CHECK_C_COMPILER_FLAG("-faddress-sanitizer" HAVE_C_FADDRESS) + MY_CHECK_CXX_COMPILER_FLAG("-faddress-sanitizer" HAVE_CXX_FFADDRESS) + + IF(HAVE_C_FADDRESS AND HAVE_CXX_FFADDRESS) + # We switch on basic optimization also for debug builds. + SET(CMAKE_C_FLAGS_DEBUG + "${CMAKE_C_FLAGS_DEBUG} -faddress-sanitizer -O1 -fPIC") + SET(CMAKE_C_FLAGS_RELWITHDEBINFO + "${CMAKE_C_FLAGS_RELWITHDEBINFO} -faddress-sanitizer -fPIC") + SET(CMAKE_CXX_FLAGS_DEBUG + "${CMAKE_CXX_FLAGS_DEBUG} -faddress-sanitizer -O1 -fPIC") + SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO + "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -faddress-sanitizer -fPIC") + SET(WITH_ASAN_OK 1) + ENDIF() + ENDIF() + + IF(NOT WITH_ASAN_OK) + MESSAGE(FATAL_ERROR "Do not know how to enable address sanitizer") + ENDIF() +ENDIF() + + OPTION(ENABLE_DEBUG_SYNC "Enable debug sync (debug builds only)" ON) IF(ENABLE_DEBUG_SYNC) SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DENABLED_DEBUG_SYNC") |