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authorBrad King <brad.king@kitware.com>2018-10-08 15:52:39 (GMT)
committerBrad King <brad.king@kitware.com>2018-10-08 15:52:39 (GMT)
commitc268fcc2edf319bd420b8aa0fac21260e7f23291 (patch)
tree80095563e0722b5249472521eedda4678edff751 /Help
parentc2356d60d8b3bc709ed5e95f98864ff504685010 (diff)
parentcd8c79e1633f091fca890df534d98e5eeb63b747 (diff)
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Merge branch 'doc-target_link_libraries-keywords-not-genex' into release-3.13
Merge-request: !2449
Diffstat (limited to 'Help')
-rw-r--r--Help/command/target_link_libraries.rst24
1 files changed, 18 insertions, 6 deletions
diff --git a/Help/command/target_link_libraries.rst b/Help/command/target_link_libraries.rst
index e1c374e..229d10c 100644
--- a/Help/command/target_link_libraries.rst
+++ b/Help/command/target_link_libraries.rst
@@ -78,6 +78,20 @@ Each ``<item>`` may be:
flags explicitly. The flags will then be placed at the toolchain-defined
flag position in the link command.
+* **A generator expression**: A ``$<...>`` :manual:`generator expression
+ <cmake-generator-expressions(7)>` may evaluate to any of the above
+ items or to a :ref:`;-list <CMake Language Lists>` of them.
+ If the ``...`` contains any ``;`` characters, e.g. after evaluation
+ of a ``${list}`` variable, be sure to use an explicitly quoted
+ argument ``"$<...>"`` so that this command receives it as a
+ single ``<item>``.
+
+ Additionally, a generator expression may be used as a fragment of
+ any of the above items, e.g. ``foo$<1:_d>``.
+
+ Note that generator expressions will not be used in OLD handling of
+ policy :policy:`CMP0003` or policy :policy:`CMP0004`.
+
* A ``debug``, ``optimized``, or ``general`` keyword immediately followed
by another ``<item>``. The item following such a keyword will be used
only for the corresponding build configuration. The ``debug`` keyword
@@ -88,18 +102,16 @@ Each ``<item>`` may be:
optional. Higher granularity may be achieved for per-configuration
rules by creating and linking to
:ref:`IMPORTED library targets <Imported Targets>`.
+ These keywords are interpreted immediately by this command and therefore
+ have no special meaning when produced by a generator expression.
Items containing ``::``, such as ``Foo::Bar``, are assumed to be
:ref:`IMPORTED <Imported Targets>` or :ref:`ALIAS <Alias Targets>` library
target names and will cause an error if no such target exists.
See policy :policy:`CMP0028`.
-Arguments to ``target_link_libraries`` may use "generator expressions"
-with the syntax ``$<...>``. Note however, that generator expressions
-will not be used in OLD handling of :policy:`CMP0003` or :policy:`CMP0004`.
-See the :manual:`cmake-generator-expressions(7)` manual for available
-expressions. See the :manual:`cmake-buildsystem(7)` manual for more on
-defining buildsystem properties.
+See the :manual:`cmake-buildsystem(7)` manual for more on defining
+buildsystem properties.
Libraries for a Target and/or its Dependents
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^