5fdf759478
We do support SunPro 5.13 compiler features, but only on Linux. Suppress the portion of the test that fails on Solaris until the larger problem can be addressed.
156 lines
6.5 KiB
CMake
156 lines
6.5 KiB
CMake
cmake_minimum_required(VERSION 3.1.0)
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project(WriteCompilerDetectionHeader)
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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include(WriteCompilerDetectionHeader)
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get_property(cxx_known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
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get_property(c_known_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
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write_compiler_detection_header(
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FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h"
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PREFIX TEST
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COMPILERS GNU Clang AppleClang MSVC SunPro
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VERSION 3.1
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PROLOG "// something"
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EPILOG "// more"
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FEATURES
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${cxx_known_features} ${c_known_features}
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)
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if (NOT CMAKE_CXX_COMPILE_FEATURES AND NOT CMAKE_C_COMPILE_FEATURES)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
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"int main(int,char**) { return 0; }\n"
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)
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add_executable(WriteCompilerDetectionHeader "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
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if((UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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AND NOT CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n"
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file_include_works
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)
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if (file_include_works)
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message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h was expected to cause an error, but did not.")
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endif()
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endif()
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return()
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endif()
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string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" COMPILER_VERSION_MAJOR "${CMAKE_CXX_COMPILER_VERSION}")
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string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" COMPILER_VERSION_MINOR "${CMAKE_CXX_COMPILER_VERSION}")
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string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" COMPILER_VERSION_PATCH "${CMAKE_CXX_COMPILER_VERSION}")
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macro(set_defines target true_defs false_defs)
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set(defines)
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foreach(def ${true_defs})
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list(APPEND defines ${def}=1)
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endforeach()
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foreach(def ${false_defs})
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list(APPEND defines ${def}=0)
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endforeach()
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target_compile_definitions(${target}
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PRIVATE
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${defines}
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EXPECTED_COMPILER_VERSION_MAJOR=${COMPILER_VERSION_MAJOR}
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EXPECTED_COMPILER_VERSION_MINOR=${COMPILER_VERSION_MINOR}
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EXPECTED_COMPILER_VERSION_PATCH=${COMPILER_VERSION_PATCH}
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)
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endmacro()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
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OR CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
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# False for C++98 mode.
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list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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endif()
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# for msvc the compiler version determines which c++11 features are available.
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if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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if(";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;")
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list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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else()
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list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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endif()
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endif()
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
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OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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add_executable(C_undefined c_undefined.c)
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set_property(TARGET C_undefined PROPERTY C_STANDARD 90)
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target_compile_options(C_undefined PRIVATE -Werror=undef)
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add_executable(WriteCompilerDetectionHeader_C main.c)
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set_property(TARGET WriteCompilerDetectionHeader_C PROPERTY C_STANDARD 90)
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set_defines(WriteCompilerDetectionHeader_C "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES" "EXPECTED_COMPILER_C_RESTRICT")
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add_executable(WriteCompilerDetectionHeader_C_multi main_multi.c)
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set_property(TARGET WriteCompilerDetectionHeader_C_multi PROPERTY C_STANDARD 90)
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set_defines(WriteCompilerDetectionHeader_C_multi "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES" "EXPECTED_COMPILER_C_RESTRICT")
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target_include_directories(WriteCompilerDetectionHeader_C_multi PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
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endif()
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add_executable(WriteCompilerDetectionHeader main.cpp)
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set_property(TARGET WriteCompilerDetectionHeader PROPERTY CXX_STANDARD 98)
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set_defines(WriteCompilerDetectionHeader "${true_defs}" "${false_defs}")
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write_compiler_detection_header(
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FILE "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/multi_file_compiler_detection.h"
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PREFIX MULTI
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OUTPUT_FILES_VAR multi_files
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OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/compiler_support"
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COMPILERS GNU Clang AppleClang MSVC SunPro
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VERSION 3.1
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FEATURES
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${cxx_known_features} ${c_known_features}
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)
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add_executable(multi_files multi_files.cpp)
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set_property(TARGET multi_files PROPERTY CXX_STANDARD 98)
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target_include_directories(multi_files PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
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set_defines(multi_files "${true_defs}" "${false_defs}")
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if(MSVC)
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return() # MSVC has only one mode.
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endif()
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# Since GNU 4.7
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if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;")
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list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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list(REMOVE_ITEM false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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endif()
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# Since GNU 4.4
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if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_variadic_templates;")
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list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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list(REMOVE_ITEM false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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endif()
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add_executable(WriteCompilerDetectionHeader_11 main.cpp)
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set_property(TARGET WriteCompilerDetectionHeader_11 PROPERTY CXX_STANDARD 11)
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set_defines(WriteCompilerDetectionHeader_11 "${true_defs}" "${false_defs}")
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add_executable(multi_files_11 multi_files.cpp)
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set_property(TARGET multi_files_11 PROPERTY CXX_STANDARD 11)
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target_include_directories(multi_files_11 PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
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set_defines(multi_files_11 "${true_defs}" "${false_defs}")
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
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OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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add_executable(WriteCompilerDetectionHeader_C11 main.c)
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set_property(TARGET WriteCompilerDetectionHeader_C11 PROPERTY C_STANDARD 11)
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set_defines(WriteCompilerDetectionHeader_C11 "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES;EXPECTED_COMPILER_C_RESTRICT" "")
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add_executable(WriteCompilerDetectionHeader_C11_multi main_multi.c)
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set_property(TARGET WriteCompilerDetectionHeader_C11_multi PROPERTY C_STANDARD 11)
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set_defines(WriteCompilerDetectionHeader_C11_multi "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES;EXPECTED_COMPILER_C_RESTRICT" "")
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target_include_directories(WriteCompilerDetectionHeader_C11_multi PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
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endif()
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