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CMake/Help/prop_tgt/AUTOUIC.rst
Tobias Hunger cd32886b2f Autogen: Add AUTO(MOC|RCC|UIC)_EXECUTABLE target properties
Allow to force moc/rcc/uic compiler used for AUTO(MOC|RCC|UIC).

Setting these properties is only necessary if you are going to do
strange things like build these tools as part of your own build system.

Setting these properties will also prevent cmake from testing the
binary: It is user-provided and assumed to be valid.
2019-01-10 08:03:24 -05:00

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AUTOUIC
-------
Should the target be processed with autouic (for Qt projects).
:prop_tgt:`AUTOUIC` is a boolean specifying whether CMake will handle
the Qt ``uic`` code generator automatically, i.e. without having to use
the :module:`QT4_WRAP_UI() <FindQt4>` or ``QT5_WRAP_UI()`` macro. Currently
Qt4 and Qt5 are supported.
When this property is ``ON``, CMake will scan the source files at build time
and invoke ``uic`` accordingly. If an ``#include`` statement like
``#include "ui_foo.h"`` is found in ``source.cpp``, a ``foo.ui`` file is
searched for first in the vicinity of ``source.cpp`` and afterwards in the
optional :prop_tgt:`AUTOUIC_SEARCH_PATHS` of the target.
``uic`` is run on the ``foo.ui`` file to generate ``ui_foo.h`` in the directory
``<AUTOGEN_BUILD_DIR>/include``,
which is automatically added to the target's :prop_tgt:`INCLUDE_DIRECTORIES`.
* For :prop_gbl:`multi configuration generators <GENERATOR_IS_MULTI_CONFIG>`,
the include directory is ``<AUTOGEN_BUILD_DIR>/include_<CONFIG>``.
* See :prop_tgt:`AUTOGEN_BUILD_DIR`.
This property is initialized by the value of the :variable:`CMAKE_AUTOUIC`
variable if it is set when a target is created.
Additional command line options for ``uic`` can be set via the
:prop_sf:`AUTOUIC_OPTIONS` source file property on the ``foo.ui`` file.
The global property :prop_gbl:`AUTOGEN_TARGETS_FOLDER` can be used to group the
autouic targets together in an IDE, e.g. in MSVS.
The ``uic`` executable will be detected automatically, but can be forced to
a certain binary using the :prop_tgt:`AUTOUIC_EXECUTABLE` property.
Source files can be excluded from :prop_tgt:`AUTOUIC` processing by
enabling :prop_sf:`SKIP_AUTOUIC` or the broader :prop_sf:`SKIP_AUTOGEN`.
The number of parallel ``uic`` processes to start can be modified by
setting :prop_tgt:`AUTOGEN_PARALLEL`.
A global ``autogen`` target that depends on all :prop_tgt:`AUTOUIC` generated
``<ORIGIN>_autogen`` targets in the project can be generated by enabling
:variable:`CMAKE_GLOBAL_AUTOGEN_TARGET`.
See the :manual:`cmake-qt(7)` manual for more information on using CMake
with Qt.