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|
include(CheckFunctionExists)
################
## Check Math functions
#########################
MACRO(FEATURE_TRY_FUNCTION_EXISTS target fname lib_name)
CHECK_FUNCTION_EXISTS(${fname} test_result)
IF(NOT test_result)
unset(test_result CACHE)
list(APPEND CMAKE_REQUIRED_LIBRARIES ${lib_name})
CHECK_FUNCTION_EXISTS(${fname} test_result)
STRING(REGEX REPLACE "${lib_name}" "" CMAKE_REQUIRED_LIBRARIES
${CMAKE_REQUIRED_LIBRARIES})
IF(test_result)
target_link_libraries(${target} ${lib_name})
ELSE()
message(FATAL_ERROR "checking for ${fname}() ... not found")
ENDIF()
ENDIF()
unset(test_result CACHE)
ENDMACRO()
MACRO(FEATURE_CHECK_ASAN out_result)
set(lexbor_asan_flags "-O0 -g -fsanitize=undefined,address -fno-omit-frame-pointer")
IF(LEXBOR_BUILD_WITH_ASAN)
IF(LEXBOR_BUILD_WITH_MSAN)
message(FATAL_ERROR "Attempt to build a project with two types of sanitize: LEXBOR_BUILD_WITH_MSAN and LEXBOR_BUILD_WITH_ASAN")
ENDIF()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${lexbor_asan_flags}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${lexbor_asan_flags}")
ENDIF()
set(feature_filename "${CMAKE_BINARY_DIR}/feature_check.c")
set(FEATUTE_CHECK_STRING "
#include <sanitizer/asan_interface.h>
int main(void) {
return
#ifdef __SANITIZE_ADDRESS__
#if defined(ASAN_POISON_MEMORY_REGION) && defined(ASAN_UNPOISON_MEMORY_REGION)
0;
#endif
#else
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#if defined(ASAN_POISON_MEMORY_REGION) && defined(ASAN_UNPOISON_MEMORY_REGION)
0;
#endif
#endif
#endif
#endif
}")
file(WRITE ${feature_filename} "${FEATUTE_CHECK_STRING}")
try_compile(${out_result} "${CMAKE_BINARY_DIR}" "${feature_filename}"
CMAKE_FLAGS "-DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}"
)
IF(${${out_result}})
message(STATUS "Feature ASAN: enabled")
ELSE()
message(STATUS "Feature ASAN: disable")
ENDIF()
file(REMOVE ${feature_filename})
IF(LEXBOR_BUILD_WITH_ASAN)
IF(NOT ${${out_result}})
STRING(REGEX REPLACE " ${lexbor_asan_flags}" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
STRING(REGEX REPLACE " ${lexbor_asan_flags}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
ELSE()
message(STATUS "Updated CFLAGS: ${CMAKE_C_FLAGS}")
message(STATUS "Updated CXXFLAGS: ${CMAKE_CXX_FLAGS}")
ENDIF()
ENDIF()
unset(lexbor_asan_flags)
unset(FEATUTE_CHECK_STRING)
unset(feature_filename)
ENDMACRO()
MACRO(FEATURE_CHECK_MSAN out_result)
set(lexbor_msan_flags "-O0 -g -fsanitize=memory -fno-omit-frame-pointer")
IF(LEXBOR_BUILD_WITH_MSAN)
IF(LEXBOR_BUILD_WITH_ASAN)
message(FATAL_ERROR "Attempt to build a project with two types of sanitize: LEXBOR_BUILD_WITH_MSAN and LEXBOR_BUILD_WITH_ASAN")
ENDIF()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${lexbor_msan_flags}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${lexbor_msan_flags}")
ENDIF()
set(feature_filename "${CMAKE_BINARY_DIR}/feature_check.c")
set(FEATUTE_CHECK_STRING "
#include <stdio.h>
int main(void) {
return
#if defined(__has_feature)
#if __has_feature(memory_sanitizer)
0;
#endif
#endif
}")
file(WRITE ${feature_filename} "${FEATUTE_CHECK_STRING}")
try_compile(${out_result} "${CMAKE_BINARY_DIR}" "${feature_filename}"
CMAKE_FLAGS "-DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}"
)
IF(${${out_result}})
message(STATUS "Feature MSAN: enabled")
ELSE()
message(STATUS "Feature MSAN: disable")
ENDIF()
file(REMOVE ${feature_filename})
IF(LEXBOR_BUILD_WITH_MSAN)
IF(NOT ${${out_result}})
STRING(REGEX REPLACE " ${lexbor_msan_flags}" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
STRING(REGEX REPLACE " ${lexbor_msan_flags}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
ELSE()
message(STATUS "Updated CFLAGS: ${CMAKE_C_FLAGS}")
message(STATUS "Updated CXXFLAGS: ${CMAKE_CXX_FLAGS}")
ENDIF()
ENDIF()
unset(lexbor_msan_flags)
unset(FEATUTE_CHECK_STRING)
unset(feature_filename)
ENDMACRO()
MACRO(FEATURE_CHECK_FUZZER out_result)
IF(NOT LEXBOR_BUILD_WITH_FUZZER)
message(STATUS "Feature Fuzzer: disable")
ELSE()
set(lexbor_old_c_flags "${CMAKE_C_FLAGS}")
set(lexbor_old_cxx_flags "${CMAKE_CXX_FLAGS}")
set(lexbor_fuzzer_flags "-O0 -g -fsanitize=fuzzer")
set(feature_filename "${CMAKE_BINARY_DIR}/feature_check.c")
STRING(REGEX REPLACE " ?-O[0-9]" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
STRING(REGEX REPLACE " ?-O[0-9]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${lexbor_fuzzer_flags}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${lexbor_fuzzer_flags}")
set(FEATUTE_CHECK_STRING "
#include <sanitizer/asan_interface.h>
int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
return 0;
}
")
file(WRITE ${feature_filename} "${FEATUTE_CHECK_STRING}")
try_compile(${out_result} "${CMAKE_BINARY_DIR}" "${feature_filename}"
CMAKE_FLAGS "${lexbor_fuzzer_flags}"
OUTPUT_VARIABLE OUTPUT
)
IF(${out_result})
message(STATUS "Feature Fuzzer: enabled")
message(STATUS "Updated CFLAGS: ${CMAKE_C_FLAGS}")
message(STATUS "Updated CXXFLAGS: ${CMAKE_CXX_FLAGS}")
set(${out_result} TRUE)
ELSE()
set(CMAKE_C_FLAGS ${lexbor_old_c_flags})
set(CMAKE_CXX_FLAGS ${lexbor_old_cxx_flags})
message(STATUS "Feature Fuzzer: аn error was received at compilation.")
message(STATUS "Feature Fuzzer OUTPUT:")
message(FATAL_ERROR ${OUTPUT})
set(${out_result} FALSE)
ENDIF()
file(REMOVE ${feature_filename})
unset(lexbor_old_c_flags)
unset(lexbor_old_cxx_flags)
unset(lexbor_fuzzer_flags)
unset(FEATUTE_CHECK_STRING)
unset(feature_filename)
ENDIF()
ENDMACRO()
|
