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Autogen: Add documentation for AUTOMOC_MACRO_NAMES

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This commit is contained in:
Sebastian Holtermann 2017-08-18 13:58:14 +02:00
parent 05891d8f77
commit 7529d84fac
6 changed files with 62 additions and 5 deletions
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1
Help/manual/cmake-properties.7.rst
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@ -123,6 +123,7 @@ Properties on Targets
/prop_tgt/AUTOGEN_BUILD_DIR
/prop_tgt/AUTOGEN_TARGET_DEPENDS
/prop_tgt/AUTOMOC_DEPEND_FILTERS
/prop_tgt/AUTOMOC_MACRO_NAMES
/prop_tgt/AUTOMOC_MOC_OPTIONS
/prop_tgt/AUTOMOC
/prop_tgt/AUTOUIC

4
Help/manual/cmake-qt.7.rst
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@ -95,6 +95,10 @@ following targets by setting the :variable:`CMAKE_AUTOMOC` variable. The
options to pass to ``moc``. The :variable:`CMAKE_AUTOMOC_MOC_OPTIONS`
variable may be populated to pre-set the options for all following targets.
The appearance of the strings ``Q_OBJECT`` or ``Q_GADGET`` in a source file
determines if it needs to be ``moc`` processed. To search for additional
strings, list them in :prop_tgt:`AUTOMOC_MACRO_NAMES`.
Additional ``moc`` dependency file names can be extracted from source code
by using :prop_tgt:`AUTOMOC_DEPEND_FILTERS`.

1
Help/manual/cmake-variables.7.rst
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@ -270,6 +270,7 @@ Variables that Control the Build
/variable/CMAKE_ARCHIVE_OUTPUT_DIRECTORY_CONFIG
/variable/CMAKE_AUTOMOC
/variable/CMAKE_AUTOMOC_DEPEND_FILTERS
/variable/CMAKE_AUTOMOC_MACRO_NAMES
/variable/CMAKE_AUTOMOC_MOC_OPTIONS
/variable/CMAKE_AUTORCC
/variable/CMAKE_AUTORCC_OPTIONS

14
Help/prop_tgt/AUTOMOC.rst
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@ -5,8 +5,8 @@ Should the target be processed with automoc (for Qt projects).
AUTOMOC is a boolean specifying whether CMake will handle the Qt ``moc``
preprocessor automatically, i.e. without having to use the
:module:`QT4_WRAP_CPP() <FindQt4>` or QT5_WRAP_CPP() macro. Currently Qt4 and Qt5 are
supported.
:module:`QT4_WRAP_CPP() <FindQt4>` or QT5_WRAP_CPP() macro.
Currently Qt4 and Qt5 are supported.
When this property is set ``ON``, CMake will scan the header and
source files at build time and invoke moc accordingly.
@ -37,7 +37,7 @@ source files at build time and invoke moc accordingly.
which is compiled as part of the target.
* The custom directories with checksum
based names help to avoid name collisions for moc files with the same
based names help to avoid name collisions for ``moc`` files with the same
``<basename>``.
* See :prop_tgt:`AUTOGEN_BUILD_DIR`.
@ -56,11 +56,11 @@ source files at build time and invoke moc accordingly.
This property is initialized by the value of the :variable:`CMAKE_AUTOMOC`
variable if it is set when a target is created.
Additional command line options for moc can be set via the
Additional command line options for ``moc`` can be set via the
:prop_tgt:`AUTOMOC_MOC_OPTIONS` property.
By enabling the :variable:`CMAKE_AUTOMOC_RELAXED_MODE` variable the
rules for searching the files which will be processed by moc can be relaxed.
rules for searching the files which will be processed by ``moc`` can be relaxed.
See the documentation for this variable for more details.
The global property :prop_gbl:`AUTOGEN_TARGETS_FOLDER` can be used to group the
@ -69,6 +69,10 @@ automoc targets together in an IDE, e.g. in MSVS.
The global property :prop_gbl:`AUTOGEN_SOURCE_GROUP` can be used to group
files generated by :prop_tgt:`AUTOMOC` together in an IDE, e.g. in MSVS.
The appearance of the strings ``Q_OBJECT`` or ``Q_GADGET`` in a source file
determines if it needs to be ``moc`` processed. To search for additional
strings, list them in :prop_tgt:`AUTOMOC_MACRO_NAMES`.
Additional ``moc`` dependency file names can be extracted from source code
by using :prop_tgt:`AUTOMOC_DEPEND_FILTERS`.

28
Help/prop_tgt/AUTOMOC_MACRO_NAMES.rst Normal file
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@ -0,0 +1,28 @@
AUTOMOC_MACRO_NAMES
-------------------
Additional macro names used by :prop_tgt:`AUTOMOC`
to determine if a C++ file needs to be processed by ``moc``.
This property is only used if the :prop_tgt:`AUTOMOC` property is ``ON``
for this target.
CMake searches for the strings ``Q_OBJECT`` and ``Q_GADGET`` to
determine if a file needs to be processed by ``moc``.
:prop_tgt:`AUTOMOC_MACRO_NAMES` allows to add additional strings to the
search list. This is useful for cases where the ``Q_OBJECT`` or ``Q_GADGET``
macro is hidden inside another macro.
By default :prop_tgt:`AUTOMOC_MACRO_NAMES` is initialized from
:variable:`CMAKE_AUTOMOC_MACRO_NAMES`, which is empty by default.
See the :manual:`cmake-qt(7)` manual for more information on using CMake
with Qt.
Example
-------
In this case the the ``Q_OBJECT`` macro is hidden inside an other macro
called ``CUSTOM_MACRO``. To let CMake know that source files, that contain
``CUSTOM_MACRO``, need to be ``moc`` processed, we call::
set_property(TARGET tgt PROPERTY AUTOMOC_MACRO_NAMES "CUSTOM_MACRO")

19
Help/variable/CMAKE_AUTOMOC_MACRO_NAMES.rst Normal file
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@ -0,0 +1,19 @@
CMAKE_AUTOMOC_MACRO_NAMES
----------------------------
Additional macro names used by :variable:`CMAKE_AUTOMOC`
to determine if a C++ file needs to be processed by ``moc``.
This variable is used to initialize the :prop_tgt:`AUTOMOC_MACRO_NAMES`
property on all the targets. See that target property for additional
information.
By default it is empty.
Example
-------
Let CMake know that source files that contain ``CUSTOM_MACRO`` must be ``moc``
processed as well::
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOMOC_MACRO_NAMES "CUSTOM_MACRO")