| Commit message (Collapse) | Author | Age | Files | Lines |
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A few things are needed to accomplish that:
- the python scripts do not ignore certain system_foo features anymore
(it is a hardcoded list for now just to be safe)
- configurejson2cmake now outputs
qt_find_package(WrapSystemFoo) calls for bundled libraries
(see below)
- the harfbuzz .pro file is modified to accommodate pro2cmake
not being able to correctly parse some conditional scopes
- the freetype .pro file is modified to make sure linking of the
library succeeds without duplicate symbol errors, which qmake
doesn't encounter due to magical exclusion of cpp files that are
included in other cpp files (presumably for include moc_foo.cpp
support)
- feature evaluation for Core, Gui, Network now happens in the
qtbase/src directory, so that bundled libraries can be conditionally
built
- for each bundled library there are now two FindWrap scripts:
- FindWrapSystemFoo which finds an installed library in the system
- FindWrapFoo which either uses the system installed library or
the built bundled one depending on a condition
- projects that intend to use bundled libraries need to link against
WrapFoo::WrapFoo instead of WrapSystemFoo::WrapSystemFoo targets
(this is handled by pro2cmake).
Unfortunately manually added qt_find_package(WrapFoo) calls might
still be needed as is the case for WrapFreetype and others.
- a new cmake/QtFindWrapHelper.cmake file is added that provides
a macro to simplify creation of WrapFoo targets that link against
a bundled or system library. The implementation is fairly ugly
due to CMake macro constraints, but it was deemed better than
copy-pasting a bunch of almost identical code across all
FindWrapFoo.cmake files.
- a qtzlib header-only module is now created when using bundled
zlib, to provide public syncqt created headers for consumers
that need them. These are projects that have
'QT_PRIVATE += zlib-private' in their .pro files
(e.g. qtimageformats, qtlocation, qt3d, etc.)
This is unfortunately needed due to QtNetwork using zlib
types in its private C++ API.
The change includes support for building the following bundled
libraries:
- zlib
- libpng
- libjpeg
- Freetype
- Harfbuzz-ng
- PCRE2
The following 3rd party libraries are still using an old
implementation within the CMake build system, and should be migrated
to the new one in the near future:
- double-conversion
- Old harfbuzz
The are a few libraries that are not yet ported:
- system-sqlite
- systemxcb
- maybe others
Among other things, this change allows building qtbase on Windows
without requiring vcpkg.
Task-number: QTBUG-82167
Change-Id: I35ecea0d832f66c1943c82e618de4a51440971a5
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
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Change-Id: I7d84bc9962bff5c89a90367ae704974c6ce2ec89
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
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And also to get the original output names (qmake's "TARGET"), so that
the plugin file names are as they were in Qt 5.
Change-Id: I96a060d1a81693652847857372bec334728cb549
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: I0314b4faa1e4860e86198eea4189987e527dfec2
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: Ibdbdc17f8c2ee41356f490dd839a47e1bcf4c586
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
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Change-Id: I8858aaf6b96ea030a3af143099aee5dfd15655c8
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
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This substantially decreases the number of warnings when doing
a Qt static build with examples.
This is a quickfix modifying the relevant files directly. A proper
fix will follow that regenerates the whole files.
Change-Id: I2a3cc2c4ea02b3412beb96f7b4be9d43365a460d
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
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Change-Id: Iea0f1b5f51508b7e8c2cad405dd3e293186c583a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
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This change introduces a new function called qt_find_package()
which can take an extra option called PROVIDED_TARGETS, which
associates targets with the package that defines those targets.
This is done by setting the INTERFACE_QT_PACKAGE_NAME and
INTERFACE_QT_PACKAGE_VERSION properties on the imported targets.
This information allows us to generate appropriate find_dependency()
calls in a module's Config file for third party libraries.
For example when an application links against QtCore, it should also
link against zlib and atomic libraries. In order to do that, the
library locations first have to be found by CMake. This is achieved by
embedding find_dependency(ZLIB) and find_dependency(Atomic) in
Qt5CoreDependencies.cmake which is included by Qt5CoreConfig.cmake.
The latter is picked up when an application project contains
find_package(Qt5Core), and thus all linking dependencies are resolved.
The information 'which package provides which targets' is contained
in the python json2cmake conversion script. The generated output of
the script contains qt_find_package() calls that represent that
information.
The Qt5CoreDependencies.cmake file and which which dependencies it
contains is generated at the QtPostProcess stop.
Note that for non-static Qt builds, we only need to propagate public
3rd party libraries. For static builds, we need all third party
libraries.
In order for the INTERFACE_QT_PACKAGE_NAME property to be read in any
scope, the targets on which the property is set, have to be GLOBAL.
Also for applications and other modules to find all required third
party libraries, we have to install all our custom Find modules, and
make sure they define INTERFACE IMPORTED libraries, and not just
IMPORTED libraries.
Change-Id: I694d6e32d05b96d5e241df0156fc79d0029426aa
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
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Change-Id: I4bf09c50eebf71255590e9b17e637ce621d3cd40
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
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