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Diffstat (limited to 'Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt')
| -rw-r--r-- | Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt new file mode 100644 index 0000000..52d4613 --- /dev/null +++ b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt @@ -0,0 +1,201 @@ +cmake_minimum_required(VERSION 3.1.0) +project(WriteCompilerDetectionHeader) + +set(CMAKE_INCLUDE_CURRENT_DIR ON) + +include(WriteCompilerDetectionHeader) +include(CheckCXXSourceCompiles) + +get_property(cxx_known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES) +get_property(c_known_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES) + +write_compiler_detection_header( + FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h" + PREFIX TEST + COMPILERS GNU Clang AppleClang MSVC SunPro Intel + VERSION 3.1 + PROLOG "// something" + EPILOG "// more" + FEATURES + ${cxx_known_features} ${c_known_features} +) + +write_compiler_detection_header( + FILE "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/multi_file_compiler_detection.h" + PREFIX MULTI + OUTPUT_FILES_VAR multi_files + OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/compiler_support" + COMPILERS GNU Clang AppleClang MSVC SunPro Intel + VERSION 3.1 + FEATURES + ${cxx_known_features} ${c_known_features} +) + +macro(set_defines target true_defs false_defs) + set(defines) + foreach(def ${true_defs}) + list(APPEND defines ${def}=1) + endforeach() + foreach(def ${false_defs}) + list(APPEND defines ${def}=0) + endforeach() + target_compile_definitions(${target} + PRIVATE + ${defines} + EXPECTED_COMPILER_VERSION_MAJOR=${COMPILER_VERSION_MAJOR} + EXPECTED_COMPILER_VERSION_MINOR=${COMPILER_VERSION_MINOR} + EXPECTED_COMPILER_VERSION_PATCH=${COMPILER_VERSION_PATCH} + ) +endmacro() + +# Only run the compiler detection header test for compilers with +# detailed features tables, not just meta-features + +if (CMAKE_C_COMPILE_FEATURES) + set(C_expected_features ${CMAKE_C_COMPILE_FEATURES}) + list(FILTER C_expected_features EXCLUDE REGEX "^c_std_[0-9][0-9]") +endif() +if (C_expected_features) + string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" COMPILER_VERSION_MAJOR "${CMAKE_C_COMPILER_VERSION}") + string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" COMPILER_VERSION_MINOR "${CMAKE_C_COMPILER_VERSION}") + string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" COMPILER_VERSION_PATCH "${CMAKE_C_COMPILER_VERSION}") + + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" + OR CMAKE_C_COMPILER_ID STREQUAL "Clang" + OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang" + OR CMAKE_C_COMPILER_ID STREQUAL "Intel") + add_executable(WriteCompilerDetectionHeader_C11 main.c) + set_property(TARGET WriteCompilerDetectionHeader_C11 PROPERTY C_STANDARD 11) + set_defines(WriteCompilerDetectionHeader_C11 "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES;EXPECTED_COMPILER_C_RESTRICT" "") + + add_executable(WriteCompilerDetectionHeader_C11_multi main_multi.c) + set_property(TARGET WriteCompilerDetectionHeader_C11_multi PROPERTY C_STANDARD 11) + set_defines(WriteCompilerDetectionHeader_C11_multi "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES;EXPECTED_COMPILER_C_RESTRICT" "") + target_include_directories(WriteCompilerDetectionHeader_C11_multi PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files) + + add_executable(C_undefined c_undefined.c) + set_property(TARGET C_undefined PROPERTY C_STANDARD 90) + include(CheckCCompilerFlag) + check_c_compiler_flag(-Werror=undef use_error_undef) + if (use_error_undef) + target_compile_options(C_undefined PRIVATE -Werror=undef) + endif() + + add_executable(WriteCompilerDetectionHeader_C main.c) + set_property(TARGET WriteCompilerDetectionHeader_C PROPERTY C_STANDARD 90) + set_defines(WriteCompilerDetectionHeader_C "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES" "EXPECTED_COMPILER_C_RESTRICT") + + add_executable(WriteCompilerDetectionHeader_C_multi main_multi.c) + set_property(TARGET WriteCompilerDetectionHeader_C_multi PROPERTY C_STANDARD 90) + set_defines(WriteCompilerDetectionHeader_C_multi "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES" "EXPECTED_COMPILER_C_RESTRICT") + target_include_directories(WriteCompilerDetectionHeader_C_multi PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files) + endif() +endif() + +if (CMAKE_CXX_COMPILE_FEATURES) + set(CXX_expected_features ${CMAKE_CXX_COMPILE_FEATURES}) + list(FILTER CXX_expected_features EXCLUDE REGEX "^cxx_std_[0-9][0-9]") +endif() +if (NOT CXX_expected_features) + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp" + "int main(int,char**) { return 0; }\n" + ) + add_executable(WriteCompilerDetectionHeader "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp") + + if(UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n" + file_include_works + ) + if (file_include_works) + message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h was expected to cause an error, but did not.") + endif() + endif() + return() +endif() + +string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" COMPILER_VERSION_MAJOR "${CMAKE_CXX_COMPILER_VERSION}") +string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" COMPILER_VERSION_MINOR "${CMAKE_CXX_COMPILER_VERSION}") +string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" COMPILER_VERSION_PATCH "${CMAKE_CXX_COMPILER_VERSION}") + +if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" + OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" + OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" + OR CMAKE_CXX_COMPILER_ID STREQUAL "SunPro" + OR CMAKE_CXX_COMPILER_ID STREQUAL "Intel") + # False for C++98 mode. + list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS) + list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES) +endif() + +# for msvc the compiler version determines which c++11 features are available. +if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + if(";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;") + list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS) + list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES) + else() + list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS) + list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES) + endif() +endif() + +add_executable(WriteCompilerDetectionHeader main.cpp) +set_property(TARGET WriteCompilerDetectionHeader PROPERTY CXX_STANDARD 98) +set_defines(WriteCompilerDetectionHeader "${true_defs}" "${false_defs}") + +add_executable(multi_files multi_files.cpp) +set_property(TARGET multi_files PROPERTY CXX_STANDARD 98) +target_include_directories(multi_files PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files) +set_defines(multi_files "${true_defs}" "${false_defs}") + +if(MSVC) + return() # MSVC has only one mode. +endif() + +# Since GNU 4.7 +if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;") + list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS) + list(REMOVE_ITEM false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS) +endif() + +# Since GNU 4.4 +if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_variadic_templates;") + list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES) + list(REMOVE_ITEM false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES) +endif() + +add_executable(WriteCompilerDetectionHeader_11 main.cpp) +set_property(TARGET WriteCompilerDetectionHeader_11 PROPERTY CXX_STANDARD 11) +set_defines(WriteCompilerDetectionHeader_11 "${true_defs}" "${false_defs}") + +add_executable(multi_files_11 multi_files.cpp) +set_property(TARGET multi_files_11 PROPERTY CXX_STANDARD 11) +target_include_directories(multi_files_11 PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files) +set_defines(multi_files_11 "${true_defs}" "${false_defs}") + +# test for ALLOW_UNKNOWN_COMPILERS + +# use a compiler does not match the current one, +# so one always hits the fallback code +if (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro") + set(OTHER_CXX "Intel") +else() + set(OTHER_CXX "SunPro") +endif() + +write_compiler_detection_header( + FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection_allow_unknown.h" + PREFIX TEST + COMPILERS ${OTHER_CXX} + FEATURES cxx_nullptr + ALLOW_UNKNOWN_COMPILERS +) + +# intentionally abuse the TEST_NULLPR variable: this will only work +# with the fallback code. +check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection_allow_unknown.h\" +int main() {\n int i = TEST_NULLPTR;\n return 0; }\n" + file_include_works_allow_unknown +) +if (NOT file_include_works_allow_unknown) + message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection_allow_unknown.h was expected to work, but did not.") +endif() |