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qt5base-lts/cmake/QtBaseConfigureTests.cmake
Alexandru Croitor 9198a9b8cc CMake: Fix qt_run_linker_version_script_support to use active linker 
The version script compile test did not use the linker that the build
system determined to use to link Qt, but rather the system linker.

Run qt_run_linker_version_script_support only after the global qtbase
features have been evaluated and make sure to include the active
linker flags.

Pick-to: 6.2 6.3
Change-Id: I0ff82406828daaf0dc5ec25a55f53ac7d98e3347
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
2022-01-18 14:28:57 +01:00

269 lines
12 KiB
CMake
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include(CheckCXXSourceCompiles)
function(qt_run_config_test_architecture)
set(QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT
"" CACHE INTERNAL "Test variables that should be exported" FORCE)
# Compile test to find the target architecture and sub-architectures.
set(flags "")
qt_get_platform_try_compile_vars(platform_try_compile_vars)
list(APPEND flags ${platform_try_compile_vars})
list(TRANSFORM flags PREPEND " " OUTPUT_VARIABLE flags_indented)
list(JOIN flags_indented "\n" flags_indented)
message(STATUS
"Building architecture extraction project with the following CMake arguments:\n${flags_indented}")
try_compile(
_arch_result
"${CMAKE_CURRENT_BINARY_DIR}/config.tests/arch"
"${CMAKE_CURRENT_SOURCE_DIR}/config.tests/arch"
arch
CMAKE_FLAGS ${flags}
OUTPUT_VARIABLE arch_test_output
)
if (NOT _arch_result)
message(FATAL_ERROR
"Failed to build architecture extraction project. Build output:\n ${arch_test_output}")
endif()
set(_arch_file_suffix "${CMAKE_EXECUTABLE_SUFFIX}")
# With emscripten the application entry point is a .js file (to be run with node for example),
# but the real "data" is in the .wasm file, so that's where we need to look for the ABI, etc.
# information.
if (WASM)
set(_arch_file_suffix ".wasm")
endif()
set(arch_test_location "config.tests/arch")
if(QT_MULTI_CONFIG_FIRST_CONFIG)
string(APPEND arch_test_location "/${QT_MULTI_CONFIG_FIRST_CONFIG}")
endif()
set(arch_dir "${CMAKE_CURRENT_BINARY_DIR}/${arch_test_location}")
file(GLOB arch_dir_globbed_files RELATIVE "${arch_dir}" "${arch_dir}/*")
list(JOIN arch_dir_globbed_files "\n" arch_dir_globbed_files)
set(_arch_file
"${CMAKE_CURRENT_BINARY_DIR}/${arch_test_location}/architecture_test${_arch_file_suffix}")
if (NOT EXISTS "${_arch_file}")
message(FATAL_ERROR
"Failed to find compiled architecture detection executable at ${_arch_file}. \
The following files were found at: ${arch_dir} \
${arch_dir_globbed_files}")
endif()
message(STATUS "Extracting architecture info from ${_arch_file}.")
file(STRINGS "${_arch_file}" _arch_lines LENGTH_MINIMUM 16 LENGTH_MAXIMUM 1024 ENCODING UTF-8
REGEX "==Qt=magic=Qt==")
foreach (_line ${_arch_lines})
string(LENGTH "${_line}" lineLength)
string(FIND "${_line}" "==Qt=magic=Qt== Architecture:" _pos)
if (_pos GREATER -1)
math(EXPR _pos "${_pos}+29")
string(SUBSTRING "${_line}" ${_pos} -1 _architecture)
endif()
string(FIND "${_line}" "==Qt=magic=Qt== Sub-architecture:" _pos)
if (_pos GREATER -1 AND ${lineLength} GREATER 33)
math(EXPR _pos "${_pos}+34")
string(SUBSTRING "${_line}" ${_pos} -1 _sub_architecture)
string(REPLACE " " ";" _sub_architecture "${_sub_architecture}")
endif()
string(FIND "${_line}" "==Qt=magic=Qt== Build-ABI:" _pos)
if (_pos GREATER -1)
math(EXPR _pos "${_pos}+26")
string(SUBSTRING "${_line}" ${_pos} -1 _build_abi)
endif()
endforeach()
if (NOT _architecture OR NOT _build_abi)
list(SUBLIST _arch_lines 0 5 arch_lines_fewer)
list(JOIN arch_lines_fewer "\n" arch_lines_output)
message(FATAL_ERROR
"Failed to extract architecture data from file. \
Here are the first few lines extracted:\n${arch_lines_output}")
endif()
set(TEST_architecture 1 CACHE INTERNAL "Ran the architecture test")
set(TEST_architecture_arch "${_architecture}" CACHE INTERNAL "Target machine architecture")
list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_architecture_arch)
set(TEST_subarch 1 CACHE INTERNAL "Ran machine subArchitecture test")
set(TEST_subarch_result "${_sub_architecture}" CACHE INTERNAL "Target sub-architectures")
list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_subarch_result)
foreach(it ${_sub_architecture})
# Equivalent to qmake's QT_CPU_FEATURES.$arch.
set(TEST_arch_${TEST_architecture_arch}_subarch_${it} 1 CACHE INTERNAL "Target sub architecture result")
list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_arch_${TEST_architecture_arch}_subarch_${it})
endforeach()
set(TEST_buildAbi "${_build_abi}" CACHE INTERNAL "Target machine buildAbi")
list(APPEND QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT TEST_buildAbi)
set(QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT ${QT_BASE_CONFIGURE_TESTS_VARS_TO_EXPORT} CACHE INTERNAL "Test variables that should be exported")
list(JOIN _sub_architecture " " subarch_summary)
set_property(GLOBAL PROPERTY qt_configure_subarch_summary "${subarch_summary}")
endfunction()
function(qt_run_linker_version_script_support)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/version_flag.map" "VERS_1 { global: sym; };
VERS_2 { global: sym; }
VERS_1;
")
if(DEFINED CMAKE_REQUIRED_FLAGS)
set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS})
else()
set(CMAKE_REQUIRED_FLAGS "")
endif()
set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} "-Wl,--version-script=\"${CMAKE_CURRENT_BINARY_DIR}/version_flag.map\"")
# Pass the linker that the main project uses to the version script compile test.
qt_internal_get_active_linker_flags(linker_flags)
if(linker_flags)
set(CMAKE_REQUIRED_LINK_OPTIONS ${linker_flags})
endif()
check_cxx_source_compiles("int main(void){return 0;}" HAVE_LD_VERSION_SCRIPT)
if(DEFINED CMAKE_REQUIRED_FLAGS_SAVE)
set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS_SAVE})
endif()
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/conftest.map")
# For some reason the linker command line written by the XCode generator, which is
# subsequently executed by xcodebuild, ignores the linker flag, and thus the test
# seemingly succeeds. Explicitly disable the version script test on darwin platforms.
if(APPLE)
set(HAVE_LD_VERSION_SCRIPT OFF)
endif()
# Also makes no sense with MSVC-style command-line
if(MSVC)
set(HAVE_LD_VERSION_SCRIPT OFF)
endif()
set(TEST_ld_version_script "${HAVE_LD_VERSION_SCRIPT}" CACHE INTERNAL "linker version script support")
endfunction()
function(qt_internal_ensure_latest_win_nt_api)
if(NOT WIN32)
return()
endif()
check_cxx_source_compiles([=[
#include <windows.h>
#if !defined(_WIN32_WINNT) && !defined(WINVER)
#error "_WIN32_WINNT and WINVER are not defined"
#endif
#if defined(_WIN32_WINNT) && (_WIN32_WINNT < 0x0A00)
#error "_WIN32_WINNT version too low"
#endif
#if defined(WINVER) && (WINVER < 0x0A00)
#error "WINVER version too low"
#endif
int main() { return 0; }
]=] HAVE_WIN10_WIN32_WINNT)
if(NOT HAVE_WIN10_WIN32_WINNT)
list(APPEND QT_PLATFORM_DEFINITIONS _WIN32_WINNT=0x0A00 WINVER=0x0A00)
set(QT_PLATFORM_DEFINITIONS ${QT_PLATFORM_DEFINITIONS}
CACHE STRING "Qt platform specific pre-processor defines" FORCE)
endif()
endfunction()
function(qt_run_qtbase_config_tests)
qt_run_config_test_architecture()
qt_internal_ensure_latest_win_nt_api()
endfunction()
# The qmake build of android does not perform the right architecture tests and
# forcefully disables sse4 on android x86. We have to mimic this behavior
# for now
if (CMAKE_ANDROID_ARCH_ABI STREQUAL x86)
set(QT_FEATURE_sse4_1 OFF CACHE BOOL INTERNAL FORCE)
set(QT_FEATURE_sse4_2 OFF CACHE BOOL INTERNAL FORCE)
set(TEST_subarch_sse4_1 FALSE CACHE BOOL INTERNAL FORCE)
set(TEST_subarch_sse4_2 FALSE CACHE BOOL INTERNAL FORCE)
endif()
qt_run_qtbase_config_tests()
function(qt_internal_print_cmake_darwin_info)
if(APPLE)
if(NOT CMAKE_OSX_ARCHITECTURES)
set(default_osx_arch " (defaults to ${CMAKE_SYSTEM_PROCESSOR})")
endif()
message(STATUS "CMAKE_OSX_ARCHITECTURES: \"${CMAKE_OSX_ARCHITECTURES}\"${default_osx_arch}")
message(STATUS "CMAKE_OSX_SYSROOT: \"${CMAKE_OSX_SYSROOT}\"")
message(STATUS "CMAKE_OSX_DEPLOYMENT_TARGET: \"${CMAKE_OSX_DEPLOYMENT_TARGET}\"")
message(STATUS "QT_MAC_SDK_VERSION: \"${QT_MAC_SDK_VERSION}\"")
message(STATUS "QT_MAC_XCODE_VERSION: \"${QT_MAC_XCODE_VERSION}\"")
if(DEFINED CACHE{QT_IS_MACOS_UNIVERSAL})
message(STATUS "QT_IS_MACOS_UNIVERSAL: \"${QT_IS_MACOS_UNIVERSAL}\"")
endif()
if(QT_UIKIT_SDK)
message(STATUS "QT_UIKIT_SDK: \"${QT_UIKIT_SDK}\"")
endif()
qt_internal_get_first_osx_arch(osx_first_arch)
if(osx_first_arch)
message(STATUS "Configure tests main architecture (in multi-arch build): \"${osx_first_arch}\"")
endif()
endif()
endfunction()
qt_internal_print_cmake_darwin_info()
function(qt_internal_print_cmake_host_and_target_info)
message(STATUS "CMAKE_VERSION: \"${CMAKE_VERSION}\"")
message(STATUS "CMAKE_HOST_SYSTEM: \"${CMAKE_HOST_SYSTEM}\"")
message(STATUS "CMAKE_HOST_SYSTEM_NAME: \"${CMAKE_HOST_SYSTEM_NAME}\"")
message(STATUS "CMAKE_HOST_SYSTEM_VERSION: \"${CMAKE_HOST_SYSTEM_VERSION}\"")
message(STATUS "CMAKE_HOST_SYSTEM_PROCESSOR: \"${CMAKE_HOST_SYSTEM_PROCESSOR}\"")
message(STATUS "CMAKE_SYSTEM: \"${CMAKE_SYSTEM_NAME}\"")
message(STATUS "CMAKE_SYSTEM_NAME: \"${CMAKE_SYSTEM_NAME}\"")
message(STATUS "CMAKE_SYSTEM_VERSION: \"${CMAKE_SYSTEM_VERSION}\"")
message(STATUS "CMAKE_SYSTEM_PROCESSOR: \"${CMAKE_SYSTEM_PROCESSOR}\"")
message(STATUS "CMAKE_CROSSCOMPILING: \"${CMAKE_CROSSCOMPILING}\"")
endfunction()
qt_internal_print_cmake_host_and_target_info()
function(qt_internal_print_cmake_compiler_info)
message(STATUS "CMAKE_C_COMPILER: \"${CMAKE_C_COMPILER}\" (${CMAKE_C_COMPILER_VERSION})")
message(STATUS "CMAKE_CXX_COMPILER: \"${CMAKE_CXX_COMPILER}\" (${CMAKE_CXX_COMPILER_VERSION})")
if(CMAKE_OBJC_COMPILER)
message(STATUS "CMAKE_OBJC_COMPILER: \"${CMAKE_OBJC_COMPILER}\" (${CMAKE_OBJC_COMPILER_VERSION})")
endif()
if(CMAKE_OBJCXX_COMPILER)
message(STATUS "CMAKE_OBJCXX_COMPILER: \"${CMAKE_OBJCXX_COMPILER}\" (${CMAKE_OBJCXX_COMPILER_VERSION})")
endif()
endfunction()
qt_internal_print_cmake_compiler_info()
function(qt_internal_print_cmake_windows_info)
if(MSVC_VERSION)
message(STATUS "MSVC_VERSION: \"${MSVC_VERSION}\"")
endif()
if(MSVC_TOOLSET_VERSION)
message(STATUS "MSVC_TOOLSET_VERSION: \"${MSVC_TOOLSET_VERSION}\"")
endif()
endfunction()
qt_internal_print_cmake_windows_info()
function(qt_internal_print_cmake_android_info)
if(ANDROID)
message(STATUS "ANDROID_TOOLCHAIN: \"${ANDROID_TOOLCHAIN}\"")
message(STATUS "ANDROID_NDK: \"${ANDROID_NDK}\"")
message(STATUS "ANDROID_ABI: \"${ANDROID_ABI}\"")
message(STATUS "ANDROID_PLATFORM: \"${ANDROID_PLATFORM}\"")
message(STATUS "ANDROID_STL: \"${ANDROID_STL}\"")
message(STATUS "ANDROID_PIE: \"${ANDROID_PIE}\"")
message(STATUS "ANDROID_CPP_FEATURES: \"${ANDROID_CPP_FEATURES}\"")
message(STATUS "ANDROID_ALLOW_UNDEFINED_SYMBOLS: \"${ANDROID_ALLOW_UNDEFINED_SYMBOLS}\"")
message(STATUS "ANDROID_ARM_MODE: \"${ANDROID_ARM_MODE}\"")
message(STATUS "ANDROID_ARM_NEON: \"${ANDROID_ARM_NEON}\"")
message(STATUS "ANDROID_DISABLE_FORMAT_STRING_CHECKS: \"${ANDROID_DISABLE_FORMAT_STRING_CHECKS}\"")
message(STATUS "ANDROID_NATIVE_API_LEVEL: \"${ANDROID_NATIVE_API_LEVEL}\"")
message(STATUS "ANDROID_LLVM_TRIPLE: \"${ANDROID_LLVM_TRIPLE}\"")
endif()
endfunction()
qt_internal_print_cmake_android_info()
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