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CMake: Fix configuration of CMake tests in-build-tree

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Qt6 package was not found the tests were configured in-tree as opposed
to standalone tests.
Use the same trick we do for building examples in-tree.
Specify the path to the build tree packages, and don't create targets.

Amends 96e3ee06598d00e7155f3f8574759ea658a134e5

Change-Id: Ia60de416ce0afff5bd40be8c0c6e3c7898fd7ebf
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
This commit is contained in:
Alexandru Croitor 2020-07-20 17:12:45 +02:00
parent bd143f7df3
commit 5e0129f63c
2 changed files with 16 additions and 5 deletions
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16
cmake/QtBuildInternals/QtBuildInternalsConfig.cmake
View File

@ -414,18 +414,24 @@ function(qt_set_up_fake_standalone_tests_install_prefix)
set(CMAKE_INSTALL_PREFIX "${new_install_prefix}" PARENT_SCOPE)
endfunction()
# Mean to be called when configuring examples as part of the main build tree, as well as for CMake
# tests (tests that call CMake to try and build CMake applications).
macro(qt_internal_set_up_build_dir_package_paths)
list(APPEND CMAKE_PREFIX_PATH "${QT_BUILD_DIR}")
# Make sure the CMake config files do not recreate the already-existing targets
set(QT_NO_CREATE_TARGETS TRUE)
set(BACKUP_CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ${CMAKE_FIND_ROOT_PATH_MODE_PACKAGE})
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE "BOTH")
endmacro()
macro(qt_examples_build_begin)
# Examples that are built as part of the Qt build need to use the CMake config files from the
# build dir, because they are not installed yet in a prefix build.
# Appending to CMAKE_PREFIX_PATH helps find the initial Qt6Config.cmake.
# Appending to QT_EXAMPLES_CMAKE_PREFIX_PATH helps find components of Qt6, because those
# find_package calls use NO_DEFAULT_PATH, and thus CMAKE_PREFIX_PATH is ignored.
list(APPEND CMAKE_PREFIX_PATH "${QT_BUILD_DIR}")
qt_internal_set_up_build_dir_package_paths()
list(APPEND QT_EXAMPLES_CMAKE_PREFIX_PATH "${QT_BUILD_DIR}")
# Also make sure the CMake config files do not recreate the already-existing targets
set(QT_NO_CREATE_TARGETS TRUE)
set(BACKUP_CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ${CMAKE_FIND_ROOT_PATH_MODE_PACKAGE})
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE "BOTH")
# Because CMAKE_INSTALL_RPATH is empty by default in the repo project, examples need to have
# it set here, so they can run when installed.

5
tests/auto/cmake/CMakeLists.txt
View File

@ -60,6 +60,11 @@ set(required_packages Core Network Xml Sql Test)
set(optional_packages DBus Gui Widgets PrintSupport OpenGL Concurrent)
# Setup the test when called as a completely standalone project.
if(TARGET Qt6::Core)
# Tests are built as part of the qtbase build tree.
# Setup paths so that the Qt packages are found, similar to examples.
qt_internal_set_up_build_dir_package_paths()
endif()
find_package(Qt6 REQUIRED COMPONENTS ${required_packages})
find_package(Qt6 OPTIONAL_COMPONENTS ${optional_packages})