18ec53156e
* Assume UTF-8 on all Unix like systems * Export some functions to be able to compile QTextCodec once moved to Qt5Compat. Task-number: QTBUG-75665 Change-Id: I52ec47a848bc0ba72e9c7689668b1bcc5d736c29 Reviewed-by: Lars Knoll <lars.knoll@qt.io>
131 lines
5.5 KiB
CMake
131 lines
5.5 KiB
CMake
include(CheckCXXSourceCompiles)
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function(qt_run_config_test_architecture)
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set(QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT
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"" CACHE INTERNAL "Test variables that should be exported" FORCE)
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# Compile test to find the target architecture and sub-architectures.
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set(flags "")
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qt_get_platform_try_compile_vars(platform_try_compile_vars)
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list(APPEND flags ${platform_try_compile_vars})
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try_compile(
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_arch_result
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"${CMAKE_CURRENT_BINARY_DIR}/config.tests/arch"
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"${CMAKE_CURRENT_SOURCE_DIR}/config.tests/arch"
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arch
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CMAKE_FLAGS ${flags}
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)
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if (NOT _arch_result)
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message(FATAL_ERROR "Failed to compile architecture detection file.")
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endif()
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set(_arch_file_suffix "${CMAKE_EXECUTABLE_SUFFIX}")
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# With emscripten the application entry point is a .js file (to be run with node for example),
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# but the real "data" is in the .wasm file, so that's where we need to look for the ABI, etc.
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# information.
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if (EMSCRIPTEN)
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set(_arch_file_suffix ".wasm")
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endif()
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set(arch_test_location "config.tests/arch")
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if(QT_MULTI_CONFIG_FIRST_CONFIG)
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string(APPEND arch_test_location "/${QT_MULTI_CONFIG_FIRST_CONFIG}")
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endif()
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set(_arch_file
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"${CMAKE_CURRENT_BINARY_DIR}/${arch_test_location}/architecture_test${_arch_file_suffix}")
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if (NOT EXISTS "${_arch_file}")
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message(FATAL_ERROR
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"Failed to find compiled architecture detection executable at ${_arch_file}.")
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endif()
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message(STATUS "Extracting architecture info from ${_arch_file}.")
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file(STRINGS "${_arch_file}" _arch_lines LENGTH_MINIMUM 16 LENGTH_MAXIMUM 1024 ENCODING UTF-8)
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foreach (_line ${_arch_lines})
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string(LENGTH "${_line}" lineLength)
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string(FIND "${_line}" "==Qt=magic=Qt== Architecture:" _pos)
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if (_pos GREATER -1)
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math(EXPR _pos "${_pos}+29")
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string(SUBSTRING "${_line}" ${_pos} -1 _architecture)
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endif()
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string(FIND "${_line}" "==Qt=magic=Qt== Sub-architecture:" _pos)
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if (_pos GREATER -1 AND ${lineLength} GREATER 33)
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math(EXPR _pos "${_pos}+34")
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string(SUBSTRING "${_line}" ${_pos} -1 _sub_architecture)
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string(REPLACE " " ";" _sub_architecture "${_sub_architecture}")
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endif()
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string(FIND "${_line}" "==Qt=magic=Qt== Build-ABI:" _pos)
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if (_pos GREATER -1)
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math(EXPR _pos "${_pos}+26")
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string(SUBSTRING "${_line}" ${_pos} -1 _build_abi)
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endif()
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endforeach()
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if (NOT _architecture OR NOT _build_abi)
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message(FATAL_ERROR "Failed to extract architecture data from file.")
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endif()
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set(TEST_architecture 1 CACHE INTERNAL "Ran the architecture test")
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set(TEST_architecture_arch "${_architecture}" CACHE INTERNAL "Target machine architecture")
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list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_architecture_arch)
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set(TEST_subarch 1 CACHE INTERNAL "Ran machine subArchitecture test")
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foreach(it ${_sub_architecture})
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# Equivalent to qmake's QT_CPU_FEATURES.$arch.
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set(TEST_arch_${TEST_architecture_arch}_subarch_${it} 1 CACHE INTERNAL "Target sub architecture result")
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list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_arch_${TEST_architecture_arch}_subarch_${it})
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endforeach()
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set(TEST_buildAbi "${_build_abi}" CACHE INTERNAL "Target machine buildAbi")
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list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_buildAbi)
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set(QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT ${QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT} CACHE INTERNAL "Test variables that should be exported")
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list(JOIN _sub_architecture " " subarch_summary)
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set_property(GLOBAL PROPERTY qt_configure_subarch_summary "${subarch_summary}")
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endfunction()
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function(qt_run_linker_version_script_support)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/version_flag.map" "VERS_1 { global: sym; };
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VERS_2 { global: sym; }
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VERS_1;
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")
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if(DEFINED CMAKE_REQUIRED_FLAGS)
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set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS})
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else()
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set(CMAKE_REQUIRED_FLAGS "")
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endif()
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set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} "-Wl,--version-script=\"${CMAKE_CURRENT_BINARY_DIR}/version_flag.map\"")
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check_cxx_source_compiles("int main(void){return 0;}" HAVE_LD_VERSION_SCRIPT)
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if(DEFINED CMAKE_REQUIRED_FLAGS_SAVE)
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set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS_SAVE})
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endif()
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file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/conftest.map")
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# For some reason the linker command line written by the XCode generator, which is
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# subsequently executed by xcodebuild, ignores the linker flag, and thus the test
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# seemingly succeeds. Explicitly disable the version script test on darwin platforms.
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if(APPLE)
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set(HAVE_LD_VERSION_SCRIPT OFF)
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endif()
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set(TEST_ld_version_script "${HAVE_LD_VERSION_SCRIPT}" CACHE INTERNAL "linker version script support")
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endfunction()
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function(qt_run_qtbase_config_tests)
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qt_run_config_test_architecture()
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qt_run_linker_version_script_support()
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endfunction()
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# The qmake build of android does not perform the right architecture tests and
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# forcefully disables sse4 on android x86. We have to mimic this behavior
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# for now
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if (CMAKE_ANDROID_ARCH_ABI STREQUAL x86)
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set(QT_FEATURE_sse4_1 OFF CACHE BOOL INTERNAL FORCE)
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set(QT_FEATURE_sse4_2 OFF CACHE BOOL INTERNAL FORCE)
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set(TEST_subarch_sse4_1 FALSE CACHE BOOL INTERNAL FORCE)
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set(TEST_subarch_sse4_2 FALSE CACHE BOOL INTERNAL FORCE)
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endif()
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qt_run_qtbase_config_tests()
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