qt5base-lts/cmake/QtPlatformTargetHelpers.cmake
Alexey Edelev d1e02c3855 Add '-stdlib=libc++' only for c++ compilers
Pick-to: 6.2 6.3
Task-number: QTBUG-101602
Change-Id: I4ecbb73f845d94156189acfd1a3074b676c90fc4
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
2022-03-14 20:52:47 +01:00

79 lines
3.1 KiB
CMake

# Defines the public Qt::Platform target, which serves as a dependency for all internal Qt target
# as well as user projects consuming Qt.
function(qt_internal_setup_public_platform_target)
qt_internal_get_platform_definition_include_dir(
install_interface_definition_dir
build_interface_definition_dir
)
## QtPlatform Target:
add_library(Platform INTERFACE)
add_library(Qt::Platform ALIAS Platform)
add_library(${INSTALL_CMAKE_NAMESPACE}::Platform ALIAS Platform)
target_include_directories(Platform
INTERFACE
$<BUILD_INTERFACE:${build_interface_definition_dir}>
$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
$<INSTALL_INTERFACE:${install_interface_definition_dir}>
$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}>
)
target_compile_definitions(Platform INTERFACE ${QT_PLATFORM_DEFINITIONS})
# When building on android we need to link against the logging library
# in order to satisfy linker dependencies. Both of these libraries are part of
# the NDK.
if (ANDROID)
target_link_libraries(Platform INTERFACE log)
endif()
if (QT_FEATURE_stdlib_libcpp)
target_compile_options(Platform INTERFACE "$<$<COMPILE_LANGUAGE:CXX>:-stdlib=libc++>")
set(libc_link_option "-stdlib=libc++")
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.18")
set(libc_link_option "$<$<LINK_LANGUAGE:CXX>:-stdlib=libc++>")
endif()
target_link_options(Platform INTERFACE "${libc_link_option}")
endif()
if (QT_FEATURE_no_extern_direct_access)
target_compile_options(Platform INTERFACE "-mno-direct-extern-access")
endif()
qt_set_msvc_cplusplus_options(Platform INTERFACE)
# Propagate minimum C++ 17 via Platform to Qt consumers (apps), after the global features
# are computed.
qt_set_language_standards_interface_compile_features(Platform)
# By default enable utf8 sources for both Qt and Qt consumers. Can be opted out.
qt_enable_utf8_sources(Platform)
# By default enable unicode on WIN32 platforms for both Qt and Qt consumers. Can be opted out.
qt_internal_enable_unicode_defines(Platform)
# Generate a pkgconfig for Qt::Platform.
qt_internal_generate_pkg_config_file(Platform)
endfunction()
function(qt_internal_get_platform_definition_include_dir install_interface build_interface)
# Used by consumers of prefix builds via INSTALL_INTERFACE (relative path).
set(${install_interface} "${INSTALL_MKSPECSDIR}/${QT_QMAKE_TARGET_MKSPEC}" PARENT_SCOPE)
# Used by qtbase in prefix builds via BUILD_INTERFACE
set(build_interface_base_dir
"${CMAKE_CURRENT_LIST_DIR}/../mkspecs"
)
# Used by qtbase and consumers in non-prefix builds via BUILD_INTERFACE
if(NOT QT_WILL_INSTALL)
set(build_interface_base_dir
"${QT_BUILD_DIR}/${INSTALL_MKSPECSDIR}"
)
endif()
get_filename_component(build_interface_dir
"${build_interface_base_dir}/${QT_QMAKE_TARGET_MKSPEC}"
ABSOLUTE
)
set(${build_interface} "${build_interface_dir}" PARENT_SCOPE)
endfunction()