34 lines
1.5 KiB
ReStructuredText
34 lines
1.5 KiB
ReStructuredText
INTERFACE_INCLUDE_DIRECTORIES
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-----------------------------
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List of public include directories for a library.
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The :command:`target_include_directories` command populates this property
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with values given to the ``PUBLIC`` and ``INTERFACE`` keywords. Projects
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may also get and set the property directly.
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Targets may populate this property to publish the include directories
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required to compile against the headers for the target. Consuming
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targets can add entries to their own :prop_tgt:`INCLUDE_DIRECTORIES`
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property such as ``$<TARGET_PROPERTY:foo,INTERFACE_INCLUDE_DIRECTORIES>``
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to use the include directories specified in the interface of ``foo``.
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Contents of ``INTERFACE_INCLUDE_DIRECTORIES`` may use "generator expressions"
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with the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
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manual for available expressions. See the :manual:`cmake-buildsystem(7)`
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manual for more on defining buildsystem properties.
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Include directories usage requirements commonly differ between the build-tree
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and the install-tree. The ``BUILD_INTERFACE`` and ``INSTALL_INTERFACE``
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generator expressions can be used to describe separate usage requirements
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based on the usage location. Relative paths are allowed within the
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``INSTALL_INTERFACE`` expression and are interpreted relative to the
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installation prefix. For example:
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.. code-block:: cmake
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set_property(TARGET mylib APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/mylib>
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$<INSTALL_INTERFACE:include/mylib> # <prefix>/include/mylib
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)
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