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target_sources: Support custom targets

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Fixes: #21034
This commit is contained in:
Asit Dhal
2020-10-24 18:34:50 +02:00
parent a8e9208f70
commit 1a3d125de8
16 changed files with 80 additions and 11 deletions
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Help/command/target_sources.rst
+4 -2
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@@ -15,7 +15,8 @@ Specifies sources to use when building a target and/or its dependents.
Relative source file paths are interpreted as being relative to the current
source directory (i.e. :variable:`CMAKE_CURRENT_SOURCE_DIR`). The
named ``<target>`` must have been created by a command such as
:command:`add_executable` or :command:`add_library` and must not be an
:command:`add_executable` or :command:`add_library` or
:command:`add_custom_target` and must not be an
:ref:`ALIAS target <Alias Targets>`.
The ``INTERFACE``, ``PUBLIC`` and ``PRIVATE`` keywords are required to
@@ -27,7 +28,8 @@ items will populate the :prop_tgt:`SOURCES` property of
when building dependents. (:ref:`IMPORTED targets <Imported Targets>`
only support ``INTERFACE`` items because they are not build targets.)
The following arguments specify sources. Repeated calls for the same
``<target>`` append items in the order called.
``<target>`` append items in the order called. The targets created by
:command:`add_custom_target` can only have ``PRIVATE`` scope.
Arguments to ``target_sources`` may use "generator expressions"
with the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`