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Help: improve documentation for BUILD_RPATH

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Now all properties related to BUILD_RPATH are linked from the
documentation for BUILD_RPATH.
SKIP_BUILD_RPATH now also refers to BUILD_RPATH.
This commit is contained in:
Alexander Neundorf
2023-01-11 23:42:41 +01:00
committed by Brad King
parent 25e7791dc1
commit 66ad61ba79
2 changed files with 24 additions and 5 deletions
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26
Help/prop_tgt/BUILD_RPATH.rst
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@@ -3,13 +3,31 @@ BUILD_RPATH
.. versionadded:: 3.8
A :ref:`semicolon-separated list <CMake Language Lists>` specifying runtime path (``RPATH``)
entries to add to binaries linked in the build tree (for platforms that
support it). The entries will *not* be used for binaries in the install
tree. See also the :prop_tgt:`INSTALL_RPATH` target property.
A :ref:`semicolon-separated list <CMake Language Lists>` specifying
runtime path (``RPATH``) entries to add to binaries linked in the
build tree (for platforms that support it). By default, CMake sets
the runtime path of binaries in the build tree to contain search
paths it knows are needed to find the shared libraries they link.
Projects may set ``BUILD_RPATH`` to specify additional search paths.
The build-tree runtime path will *not* be used for binaries in the
install tree. It will be replaced with the install-tree runtime path
during the installation step. See also the :prop_tgt:`INSTALL_RPATH`
target property.
This property is initialized by the value of the variable
:variable:`CMAKE_BUILD_RPATH` if it is set when a target is created.
This property supports
:manual:`generator expressions <cmake-generator-expressions(7)>`.
Other settings that affect the build-tree runtime path include:
* The :prop_tgt:`SKIP_BUILD_RPATH` target property disables setting any
runtime path in the build tree.
* The :prop_tgt:`BUILD_RPATH_USE_ORIGIN` target property causes the
automatically-generated runtime path to use entries relative to ``$ORIGIN``.
* The :prop_tgt:`BUILD_WITH_INSTALL_RPATH` target property causes binaries
in the build tree to be built with the install-tree runtime path.

3
Help/prop_tgt/SKIP_BUILD_RPATH.rst
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@@ -4,6 +4,7 @@ SKIP_BUILD_RPATH
Should rpaths be used for the build tree.
``SKIP_BUILD_RPATH`` is a boolean specifying whether to skip automatic
generation of an rpath allowing the target to run from the build tree.
generation of an rpath allowing the target to run from the build tree,
see also the :prop_tgt:`BUILD_RPATH` target property.
This property is initialized by the value of the variable
:variable:`CMAKE_SKIP_BUILD_RPATH` if it is set when a target is created.