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CMake: Fix creation of versionless targets for tools

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We can't use qt_internal_export_modern_cmake_config_targets_file for
executables like tools, because it's not possible to use
INTERFACE_LINK_LIBRARIES with executables like you can with libraries.
We also can't create aliases to non-global imported targets.

Instead create new imported executable targets, fish out the imported
location, and assign it to the versionless targets.

Task-number: QTBUG-74137
Task-number: QTBUG-80477
Task-number: QTBUG-75984
Change-Id: I6a3c9c67ef4699c72a6c9a627c63158dfd6557f8
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Alexandru Croitor 2019-12-05 13:54:07 +01:00
parent 05ba991d39
commit 04d895681a
5 changed files with 47 additions and 7 deletions
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20
cmake/QtBuild.cmake
View File

@ -1742,6 +1742,7 @@ function(qt_export_tools module_name)
# Also assemble a list of tool targets to expose in the config file for informational purposes.
set(extra_cmake_statements "")
set(tool_targets "")
set(tool_targets_non_prefixed "")
# List of package dependencies that need be find_package'd when using the Tools package.
set(package_deps "")
@ -1763,6 +1764,7 @@ if (NOT QT_NO_CREATE_TARGETS)
endif()
")
list(APPEND tool_targets "${QT_CMAKE_EXPORT_NAMESPACE}::${tool_name}")
list(APPEND tool_targets_non_prefixed "${tool_name}")
endforeach()
string(APPEND extra_cmake_statements
@ -1816,11 +1818,19 @@ endif()
NAMESPACE "${QT_CMAKE_EXPORT_NAMESPACE}::"
DESTINATION "${config_install_dir}")
# Temporarily disable creation of versionless targets for tools,
# because it breaks qtdeclarative build.
#qt_internal_export_modern_cmake_config_targets_file(TARGETS ${QT_KNOWN_MODULE_${module_name}_TOOLS}
# EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}${target}
# CONFIG_INSTALL_DIR ${config_install_dir})
# Create versionless targets file.
configure_file(
"${QT_CMAKE_DIR}/QtModuleToolsVersionlessTargets.cmake.in"
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}VersionlessTargets.cmake"
@ONLY
)
qt_install(FILES
"${config_build_dir}/${INSTALL_CMAKE_NAMESPACE}${target}VersionlessTargets.cmake"
DESTINATION "${config_install_dir}"
COMPONENT Devel
)
endfunction()
# This function records a dependency between ${target_name} and ${dep_package_name}.

4
cmake/QtConfig.cmake.in
View File

@ -10,7 +10,9 @@ set(_qt_@PROJECT_VERSION_MAJOR@_config_cmake_dir "${CMAKE_CURRENT_LIST_DIR}")
if (NOT QT_NO_CREATE_TARGETS)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@Targets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@VersionlessTargets.cmake")
if(NOT QT_NO_CREATE_VERSIONLESS_TARGETS)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@VersionlessTargets.cmake")
endif()
else()
# For examples using `find_package(...)` inside their CMakeLists.txt files:
# Make CMake's AUTOGEN detect this Qt version properly

4
cmake/QtModuleConfig.cmake.in
View File

@ -21,7 +21,9 @@ endif()
if (NOT QT_NO_CREATE_TARGETS)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Targets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@VersionlessTargets.cmake")
if(NOT QT_NO_CREATE_VERSIONLESS_TARGETS)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@VersionlessTargets.cmake")
endif()
endif()
foreach(extra_cmake_include @extra_cmake_includes@)

3
cmake/QtModuleToolsConfig.cmake.in
View File

@ -9,6 +9,9 @@ if (NOT QT_NO_CREATE_TARGETS)
endif()
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@Targets.cmake")
if(NOT QT_NO_CREATE_VERSIONLESS_TARGETS)
include("${CMAKE_CURRENT_LIST_DIR}/@INSTALL_CMAKE_NAMESPACE@@target@VersionlessTargets.cmake")
endif()
endif()
@extra_cmake_statements@

23
cmake/QtModuleToolsVersionlessTargets.cmake.in Normal file
View File

@ -0,0 +1,23 @@
foreach(__qt_tool @tool_targets_non_prefixed@)
if(NOT TARGET Qt::${__qt_tool} AND TARGET Qt6::${__qt_tool})
add_executable(Qt::${__qt_tool} IMPORTED)
# Check all the usual imported location properties to find one that contains a path.
foreach(__qt_imported_location_config
IMPORTED_LOCATION
IMPORTED_LOCATION_RELEASE
IMPORTED_LOCATION_RELWITHDEBINFO
IMPORTED_LOCATION_MINSIZEREL
IMPORTED_LOCATION_DEBUG)
get_target_property(__qt_imported_location
Qt6::${__qt_tool} ${__qt_imported_location_config})
if(__qt_imported_location AND EXISTS "${__qt_imported_location}")
break()
endif()
endforeach()
set_target_properties(Qt::${__qt_tool}
PROPERTIES IMPORTED_LOCATION "${__qt_imported_location}")
endif()
endforeach()