diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 38d98c35..34411b46 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,4 +1,5 @@ cmake_minimum_required(VERSION 3.0) +set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) # Config options option(BUILD_EXAMPLES "Build the examples." ON) @@ -15,47 +16,25 @@ else() set (CMAKE_C_STANDARD 99) endif() -include(CheckCCompilerFlag) -function(add_if_flag_works flag) - CHECK_C_COMPILER_FLAG("${flag}" COMPILER_HAS_THOSE_TOGGLES) - set(outcome "Failed") - if(COMPILER_HAS_THOSE_TOGGLES) - foreach(var ${ARGN}) - set(${var} "${flag} ${${var}}" PARENT_SCOPE) - endforeach() - set(outcome "works") - endif() - message(STATUS "Testing if ${flag} can be used -- ${outcome}") -endfunction() - -add_if_flag_works(-Werror=pointer-arith CMAKE_C_FLAGS) -add_if_flag_works(-Werror=implicit-function-declaration CMAKE_C_FLAGS) +include(AddIfFlagCompiles) +add_if_flag_compiles(-Werror=pointer-arith CMAKE_C_FLAGS) +add_if_flag_compiles(-Werror=implicit-function-declaration CMAKE_C_FLAGS) # src/external/jar_xm.h does shady stuff -add_if_flag_works(-fno-strict-aliasing CMAKE_C_FLAGS) +add_if_flag_compiles(-fno-strict-aliasing CMAKE_C_FLAGS) -message(STATUS "Testing if file system supports symlinks") -execute_process( - COMMAND ${CMAKE_COMMAND} -E create_symlink CMakeLists.txt "${CMAKE_CURRENT_BINARY_DIR}/TestingIfSymlinkWorks" - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} - RESULT_VARIABLE FILESYSTEM_LACKS_SYMLINKS -) -If (FILESYSTEM_LACKS_SYMLINKS) - message(STATUS "Testing if file system supports symlinks -- unsupported") -else() - message(STATUS "Testing if file system supports symlinks -- supported") -endif() +include(CheckFileSystemSymlinkSupport) if (ENABLE_ASAN) - add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) - add_if_flag_works(-fsanitize=address CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) + add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) + add_if_flag_compiles(-fsanitize=address CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) endif() if (ENABLE_UBSAN) - add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) - add_if_flag_works(-fsanitize=undefined CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) + add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) + add_if_flag_compiles(-fsanitize=undefined CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) endif() if (ENABLE_MSAN) - add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) - add_if_flag_works(-fsanitize=memory CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) + add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) + add_if_flag_compiles(-fsanitize=memory CMAKE_C_FLAGS CMAKE_LINKER_FLAGS) endif() if (ENABLE_MSAN AND ENABLE_ASAN) |