In static per-repo builds, we have a mix of targets provided by
packages and targets provided by the main build. For the builds that
create the packages, we must avoid adding a dependency for the main
module library target on its associated plugin targets or else the
package config files end up with a cyclic dependency that cannot be
resolved when something tries to consume them. This only happens for
static builds because we have been attaching a linking relationship
to the main module library that isn't really a true dependency, we
attached it only for convenience of things linking to that module
library.
To preserve that convenience linking without breaking the config
packages, we use the QT_NO_CREATE_TARGETS condition to prevent CMake
seeing that relationship when generating the *Config.cmake files.
Creating these relationships will be delayed until the plugin's
*Config.cmake file is loaded, at which point it will add itself to
the main module library's imported target INTERFACE (this was already
done before, we just now rely solely on that).
Task-number: QTBUG-90819
Pick-to: 6.1
Change-Id: Id725742182bcda64841be84fe1650bafb9151bb1
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Commit d0071a4f87 broke static top-level builds:
CMake Error at .../qtbase/lib/cmake/Qt6Gui/Qt6GuiPlugins.cmake:17 (set_property):
set_property can not be used on an ALIAS target.
Fixed by moving the un-aliasing of the target before the set_property
call.
Pick-to: 6.0
Change-Id: I96c731353798a58ff9b3a664f3614ef03c897dcb
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Projects may call find_package(Qt6 ...) multiple times. When enabling
examples and tests, this happens a lot. For a statically built Qt,
for modules that have plugins (e.g. Gui), every time the module's
config file was loaded, it was generating and adding another copy of
the import plugin sources to the module target. These accumulated and
created many duplicates, which in turn blew out generation time and
made the build very inefficient.
This change checks whether the import plugin sources have already been
processed for the module target and ensures they are only added once.
It records its status on the target itself so that both local and
global targets are supported.
Fixes: QTBUG-90465
Change-Id: I1f45b1ee771a933ee755d44f1e983d6d9113dad0
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This property is dynamically determined and set in the
Qt6${module-name}PluginsConfig.cmake files now.
There is no need anymore to export this property.
Change-Id: I2d164864c4099034b88f9ad852eae8b9f9e55f8b
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
When doing a per-repository build of Qt, as it is done for the installer
packages, the build of qtbase has no knowledge of plugins that might be
built and installed from other repositories. That means we must not
write a fixed list of known plugins when exporting Qt modules of qtbase.
In particular, qtsvg adds imageformat plugins that are supposed to be
picked up by qtbase's QtGui module when linking a project against a
statically linked Qt.
${install-prefix}/lib/cmake/Qt6Gui/Qt6GuiPlugins.cmake missed the
include statements for qtsvg's plugin config files and operated on a
fixed list of plugins, all from qtbase.
Apart from that, the Qt6::Gui target's property QT_PLUGINS did only
contain the qtbase plugins.
This patch fixes the situation in the following way:
1. All Qt6*PluginConfig.cmake files in
${install-prefix}/lib/cmake/Qt6Gui are detected and included.
2. From those file names, the target names of the plugins are
deduced. This is safe as the file name of those generated files is a
direct result of the plugin's target name.
3. The QT_PLUGINS property of the module is updated with the detected
plugin target names.
Fixes: QTBUG-89643
Change-Id: Ifc3c39aa9948277ead5ebb209ec5eff64746308b
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Static Qt plugins should not be included in the list of libraries of
a prl file. They end up being there due to our circular dependency
trick where the plugins depend on the module they belong
to.
This in turn causes the giant static plugin generator expressions to
be processed in qt_collect_libs(), and the generated prl file ends up
having target names like Qt6::QJpegPlugin which are obviously not
linker flags.
To eliminate the static plugins from prl files, add an additional
dummy boolean generator expression '$<BOOL:QT_IS_PLUGIN_GENEX>'
that always evaluates to true. We can string match on this expression
in qt_collect_libs, and thus remove the whole static plugin genex
entry.
This should fix linking of apps with qmake that use a CMake-built
static Qt.
Task-number: QTBUG-85865
Task-number: QTBUG-85240
Task-number: QTBUG-85801
Change-Id: I949dc5edb10d94c4ab84ed430af7c164d8efaaa6
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
QtPlugins.cmake.in uses file(GENERATE) and target_sources() to
propagate the generated cpp files which contain plugin initialization
code to their consuming targets.
Unfortunately due to a bug in CMake, if the file is generated in a
different scope than the consuming target, the CMake generation
step will fail saying that the source file can not be found.
See https://gitlab.kitware.com/cmake/cmake/issues/18399 for details.
In the case of qtdeclarative, find_package(Qt6) is called at the top
level scope (this is when the file gets generated),
but the targets are created in subdirectory scopes, and the GENERATED
source file property is not propagated across scropes.
Circumvent the issue by instead using file(WRITE) and configure_file()
which create the file at configure time rather than generate time.
This will pollute the current binary directory with some more files,
but at least successfully fixes the build.
Change-Id: I3ab3b12dcbf6a9d0ab9ee87173e4a1952325b37b
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
Some work was needed to make the plug-in types,
and which plug-ins are available for each type
in client code.
Change-Id: Ib71feca31069deca3d3f54c8613054f5f8ae410c
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
The build failed due to two different reasons.
We tried to assign properties on an aliased target, which does not
work. Make sure to set properties on the original unaliased target.
We tried to query for the value of the QT_DEFAULT_PLUGINS property
when automatically linking to plugins, but the generator expression
failed in the AND section, because querying for an unexisting value
does not return an integer, and the AND expression expects an integer.
The fix is to wrap the relevant expression in a BOOL generator
expression.
Change-Id: Ia065bc1de939cee49e5de0b2aef70e356cc5419a
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
This is done by adding a DEFAULT_IF argument to add_qt_plugin, which accepts
if-evaluated expressions.
e.g.
add_qt_plugin(myplugin
DEFAULT_IF ${foo} STREQUAL ${bar}
...
)
so that this mechanism can be reused later if necessary.
Change-Id: I7eba9adaaa28e55a4f0f94cf206e868b990027e6
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
