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Move the logic associated with platform definition directory

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Since platform definition directory is used as an interface include
path of the Qt::Platform target, it makes sense to define it for this
target only. Also the definition of cached values that contain
path to platform definition looks redundand.

The definition of QT_PLATFORM_DEFINITION_DIR from command line
doesn't make any sense since build procedure doesn't take it into
account when installing mkspecs and the use if the user-provided
QT_PLATFORM_DEFINITION_DIR value as a Qt::Platform include directory
causes inconsistency in the prefixed builds. INSTALL_MKSPECSDIR
and QT_QMAKE_TARGET_MKSPEC should be used instead.

Change-Id: I3636c57b835cb84511a358a0910cc482c5fbd81e
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Alexey Edelev 2021-07-05 18:07:34 +02:00
parent 3c88e12beb
commit adfb767bcc
2 changed files with 30 additions and 28 deletions
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26
cmake/QtBuild.cmake
View File

@ -372,30 +372,6 @@ else()
set(QT_QMAKE_HOST_MKSPEC "${QT_QMAKE_TARGET_MKSPEC}")
endif()
# Used by consumers of prefix builds via INSTALL_INTERFACE (relative path).
set(QT_DEFAULT_PLATFORM_DEFINITION_DIR "${INSTALL_MKSPECSDIR}/${QT_QMAKE_TARGET_MKSPEC}")
# Used by qtbase in prefix builds via BUILD_INTERFACE
set(QT_PLATFORM_DEFINITION_BUILD_INTERFACE_BASE_DIR
"${CMAKE_CURRENT_LIST_DIR}/../mkspecs/"
)
# Used by qtbase and consumers in non-prefix builds via BUILD_INTERFACE
if(NOT QT_WILL_INSTALL)
set(QT_PLATFORM_DEFINITION_BUILD_INTERFACE_BASE_DIR
"${QT_BUILD_DIR}/${INSTALL_MKSPECSDIR}"
)
endif()
get_filename_component(QT_PLATFORM_DEFINITION_BUILD_INTERFACE_DIR
"${QT_PLATFORM_DEFINITION_BUILD_INTERFACE_BASE_DIR}/${QT_QMAKE_TARGET_MKSPEC}"
ABSOLUTE
)
set(QT_PLATFORM_DEFINITION_BUILD_INTERFACE_DIR
"${QT_PLATFORM_DEFINITION_BUILD_INTERFACE_DIR}"
CACHE INTERNAL "Path to directory that contains qplatformdefs.h"
)
if(NOT EXISTS "${QT_MKSPECS_DIR}/${QT_QMAKE_TARGET_MKSPEC}")
file(GLOB known_platforms
LIST_DIRECTORIES true
@ -413,8 +389,6 @@ endif()
set(QT_PLATFORM_DEFINITIONS ${QT_DEFAULT_PLATFORM_DEFINITIONS}
CACHE STRING "Qt platform specific pre-processor defines")
set(QT_PLATFORM_DEFINITION_DIR "${QT_DEFAULT_PLATFORM_DEFINITION_DIR}"
CACHE PATH "Path to directory that contains qplatformdefs.h")
set(QT_NAMESPACE "" CACHE STRING "Qt Namespace")

32
cmake/QtPlatformTargetHelpers.cmake
View File

@ -1,15 +1,20 @@
# 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
$<BUILD_INTERFACE:${QT_PLATFORM_DEFINITION_BUILD_INTERFACE_DIR}>
$<BUILD_INTERFACE:${build_interface_definition_dir}>
$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
$<INSTALL_INTERFACE:${QT_PLATFORM_DEFINITION_DIR}>
$<INSTALL_INTERFACE:${install_interface_definition_dir}>
$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}>
)
target_compile_definitions(Platform INTERFACE ${QT_PLATFORM_DEFINITIONS})
@ -33,3 +38,26 @@ function(qt_internal_setup_public_platform_target)
# By default enable unicode on WIN32 platforms for both Qt and Qt consumers. Can be opted out.
qt_internal_enable_unicode_defines(Platform)
endfunction()
function(qt_internal_get_platform_definition_include_dir install_interface build_interface)
# Used by consumers of prefix builds via INSTALL_INTERFACE (relative path).
set(${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()