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@ -1,11 +1,19 @@
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install
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install
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-------
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-------
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.. only:: html
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Specify rules to run at install time.
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.. contents::
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Synopsis
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^^^^^^^^
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Specify rules to run at install time.
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.. parsed-literal::
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install(`TARGETS`_ <target>... [...])
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install({`FILES`_ | `PROGRAMS`_} <file>... DESTINATION <dir> [...])
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install(`DIRECTORY`_ <dir>... DESTINATION <dir> [...])
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install(`SCRIPT`_ <file> [...])
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install(`CODE`_ <code> [...])
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install(`EXPORT`_ <export-name> DESTINATION <dir> [...])
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Introduction
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Introduction
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^^^^^^^^^^^^
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^^^^^^^^^^^^
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@ -84,6 +92,8 @@ to control which messages are printed.
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Installing Targets
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Installing Targets
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^^^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^^^
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.. _TARGETS:
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::
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::
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install(TARGETS targets... [EXPORT <export-name>]
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install(TARGETS targets... [EXPORT <export-name>]
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@ -93,6 +103,7 @@ Installing Targets
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[PERMISSIONS permissions...]
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[PERMISSIONS permissions...]
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[CONFIGURATIONS [Debug|Release|...]]
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[CONFIGURATIONS [Debug|Release|...]]
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[COMPONENT <component>]
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[COMPONENT <component>]
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[NAMELINK_COMPONENT <component>]
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[OPTIONAL] [EXCLUDE_FROM_ALL]
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[OPTIONAL] [EXCLUDE_FROM_ALL]
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[NAMELINK_ONLY|NAMELINK_SKIP]
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[NAMELINK_ONLY|NAMELINK_SKIP]
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] [...]
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] [...]
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@ -100,63 +111,144 @@ Installing Targets
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)
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)
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The ``TARGETS`` form specifies rules for installing targets from a
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The ``TARGETS`` form specifies rules for installing targets from a
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project. There are six kinds of target files that may be installed:
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project. There are several kinds of target files that may be installed:
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``ARCHIVE``, ``LIBRARY``, ``RUNTIME``, ``OBJECTS``, ``FRAMEWORK``, and
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``BUNDLE``. Executables are treated as ``RUNTIME`` targets, except that
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``ARCHIVE``
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those marked with the ``MACOSX_BUNDLE`` property are treated as ``BUNDLE``
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Static libraries are treated as ``ARCHIVE`` targets, except those
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targets on OS X. Static libraries are treated as ``ARCHIVE`` targets,
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marked with the ``FRAMEWORK`` property on OS X (see ``FRAMEWORK``
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except that those marked with the ``FRAMEWORK`` property are treated
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below.) For DLL platforms (all Windows-based systems including
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as ``FRAMEWORK`` targets on OS X.
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Cygwin), the DLL import library is treated as an ``ARCHIVE`` target.
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Module libraries are always treated as ``LIBRARY`` targets.
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For non-DLL platforms shared libraries are treated as ``LIBRARY``
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``LIBRARY``
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targets, except that those marked with the ``FRAMEWORK`` property are
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Module libraries are always treated as ``LIBRARY`` targets. For non-
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treated as ``FRAMEWORK`` targets on OS X. For DLL platforms the DLL
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DLL platforms shared libraries are treated as ``LIBRARY`` targets,
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part of a shared library is treated as a ``RUNTIME`` target and the
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except those marked with the ``FRAMEWORK`` property on OS X (see
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corresponding import library is treated as an ``ARCHIVE`` target.
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``FRAMEWORK`` below.)
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All Windows-based systems including Cygwin are DLL platforms. Object
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libraries are always treated as ``OBJECTS`` targets.
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``RUNTIME``
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The ``ARCHIVE``, ``LIBRARY``, ``RUNTIME``, ``OBJECTS``, and ``FRAMEWORK``
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Executables are treated as ``RUNTIME`` objects, except those marked
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arguments change the type of target to which the subsequent properties
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with the ``MACOSX_BUNDLE`` property on OS X (see ``BUNDLE`` below.)
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apply. If none is given the installation properties apply to all target
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For DLL platforms (all Windows-based systems including Cygwin), the
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types. If only one is given then only targets of that type will be
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DLL part of a shared library is treated as a ``RUNTIME`` target.
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installed (which can be used to install just a DLL or just an import
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library).
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``OBJECTS``
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Object libraries (a simple group of object files) are always treated
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The ``PRIVATE_HEADER``, ``PUBLIC_HEADER``, and ``RESOURCE`` arguments
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as ``OBJECTS`` targets.
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cause subsequent properties to be applied to installing a ``FRAMEWORK``
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shared library target's associated files on non-Apple platforms. Rules
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``FRAMEWORK``
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defined by these arguments are ignored on Apple platforms because the
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Both static and shared libraries marked with the ``FRAMEWORK``
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associated files are installed into the appropriate locations inside
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property are treated as ``FRAMEWORK`` targets on OS X.
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the framework folder. See documentation of the
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:prop_tgt:`PRIVATE_HEADER`, :prop_tgt:`PUBLIC_HEADER`, and
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``BUNDLE``
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:prop_tgt:`RESOURCE` target properties for details.
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Executables marked with the ``MACOSX_BUNDLE`` property are treated as
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``BUNDLE`` targets on OS X.
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Either ``NAMELINK_ONLY`` or ``NAMELINK_SKIP`` may be specified as a
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``LIBRARY`` option. On some platforms a versioned shared library
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``PUBLIC_HEADER``
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has a symbolic link such as::
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Any ``PUBLIC_HEADER`` files associated with a library are installed in
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the destination specified by the ``PUBLIC_HEADER`` argument on non-Apple
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platforms. Rules defined by this argument are ignored for ``FRAMEWORK``
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libraries on Apple platforms because the associated files are installed
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into the appropriate locations inside the framework folder. See
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:prop_tgt:`PUBLIC_HEADER` for details.
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``PRIVATE_HEADER``
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Similar to ``PUBLIC_HEADER``, but for ``PRIVATE_HEADER`` files. See
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:prop_tgt:`PRIVATE_HEADER` for details.
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``RESOURCE``
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Similar to ``PUBLIC_HEADER`` and ``PRIVATE_HEADER``, but for
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``RESOURCE`` files. See :prop_tgt:`RESOURCE` for details.
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For each of these arguments given, the arguments following them only apply
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to the target or file type specified in the argument. If none is given, the
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installation properties apply to all target types. If only one is given then
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only targets of that type will be installed (which can be used to install
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just a DLL or just an import library.)
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In addition to the common options listed above, each target can accept
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the following additional arguments:
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``NAMELINK_COMPONENT``
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On some platforms a versioned shared library has a symbolic link such
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as::
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lib<name>.so -> lib<name>.so.1
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lib<name>.so -> lib<name>.so.1
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where ``lib<name>.so.1`` is the soname of the library and ``lib<name>.so``
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where ``lib<name>.so.1`` is the soname of the library and ``lib<name>.so``
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is a "namelink" allowing linkers to find the library when given
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is a "namelink" allowing linkers to find the library when given
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``-l<name>``. The ``NAMELINK_ONLY`` option causes installation of only the
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``-l<name>``. The ``NAMELINK_COMPONENT`` option is similar to the
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namelink when a library target is installed. The ``NAMELINK_SKIP`` option
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``COMPONENT`` option, but it changes the installation component of a shared
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causes installation of library files other than the namelink when a
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library namelink if one is generated. If not specified, this defaults to the
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library target is installed. When neither option is given both
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value of ``COMPONENT``. It is an error to use this parameter outside of a
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portions are installed. On platforms where versioned shared libraries
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``LIBRARY`` block.
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do not have namelinks or when a library is not versioned the
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``NAMELINK_SKIP`` option installs the library and the ``NAMELINK_ONLY``
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Consider the following example:
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option installs nothing. See the :prop_tgt:`VERSION` and
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:prop_tgt:`SOVERSION` target properties for details on creating versioned
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.. code-block:: cmake
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shared libraries.
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install(TARGETS mylib
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The ``INCLUDES DESTINATION`` specifies a list of directories
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LIBRARY
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which will be added to the :prop_tgt:`INTERFACE_INCLUDE_DIRECTORIES`
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DESTINATION lib
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target property of the ``<targets>`` when exported by the
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COMPONENT Libraries
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:command:`install(EXPORT)` command. If a relative path is
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NAMELINK_COMPONENT Development
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specified, it is treated as relative to the ``$<INSTALL_PREFIX>``.
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PUBLIC_HEADER
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This is independent of the rest of the argument groups and does
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DESTINATION include
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not actually install anything.
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COMPONENT Development
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)
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In this scenario, if you choose to install only the ``Development``
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component, both the headers and namelink will be installed without the
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library. (If you don't also install the ``Libraries`` component, the
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namelink will be a dangling symlink, and projects that link to the library
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will have build errors.) If you install only the ``Libraries`` component,
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only the library will be installed, without the headers and namelink.
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This option is typically used for package managers that have separate
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runtime and development packages. For example, on Debian systems, the
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library is expected to be in the runtime package, and the headers and
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namelink are expected to be in the development package.
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See the :prop_tgt:`VERSION` and :prop_tgt:`SOVERSION` target properties for
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details on creating versioned shared libraries.
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``NAMELINK_ONLY``
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This option causes the installation of only the namelink when a library
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target is installed. On platforms where versioned shared libraries do not
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have namelinks or when a library is not versioned, the ``NAMELINK_ONLY``
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option installs nothing. It is an error to use this parameter outside of a
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``LIBRARY`` block.
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When ``NAMELINK_ONLY`` is given, either ``NAMELINK_COMPONENT`` or
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``COMPONENT`` may be used to specify the installation component of the
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namelink, but ``COMPONENT`` should generally be preferred.
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``NAMELINK_SKIP``
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Similar to ``NAMELINK_ONLY``, but it has the opposite effect: it causes the
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installation of library files other than the namelink when a library target
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is installed. When neither ``NAMELINK_ONLY`` or ``NAMELINK_SKIP`` are given,
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both portions are installed. On platforms where versioned shared libraries
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do not have symlinks or when a library is not versioned, ``NAMELINK_SKIP``
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installs the library. It is an error to use this parameter outside of a
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``LIBRARY`` block.
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If ``NAMELINK_SKIP`` is specified, ``NAMELINK_COMPONENT`` has no effect. It
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is not recommended to use ``NAMELINK_SKIP`` in conjunction with
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``NAMELINK_COMPONENT``.
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The ``install(TARGETS)`` command can also accept the following options at the
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top level:
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``EXPORT``
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This option associates the installed target files with an export called
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``<export-name>``. It must appear before any target options. To actually
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install the export file itself, call ``install(EXPORT)``, documented below.
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``INCLUDES DESTINATION``
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This option specifies a list of directories which will be added to the
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:prop_tgt:`INTERFACE_INCLUDE_DIRECTORIES` target property of the
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``<targets>`` when exported by the :command:`install(EXPORT)` command. If a
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relative path is specified, it is treated as relative to the
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``$<INSTALL_PREFIX>``.
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One or more groups of properties may be specified in a single call to
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One or more groups of properties may be specified in a single call to
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the ``TARGETS`` form of this command. A target may be installed more than
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the ``TARGETS`` form of this command. A target may be installed more than
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@ -178,10 +270,12 @@ the ``mySharedLib`` DLL will be installed to ``<prefix>/bin`` and
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``/some/full/path`` and its import library will be installed to
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``/some/full/path`` and its import library will be installed to
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``<prefix>/lib/static`` and ``/some/full/path``.
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``<prefix>/lib/static`` and ``/some/full/path``.
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The ``EXPORT`` option associates the installed target files with an
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:ref:`Interface Libraries` may be listed among the targets to install.
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export called ``<export-name>``. It must appear before any ``RUNTIME``,
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They install no artifacts but will be included in an associated ``EXPORT``.
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``LIBRARY``, ``ARCHIVE``, or ``OBJECTS`` options. To actually install the
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If :ref:`Object Libraries` are listed but given no destination for their
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export file itself, call ``install(EXPORT)``, documented below.
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object files, they will be exported as :ref:`Interface Libraries`.
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This is sufficient to satisfy transitive usage requirements of other
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targets that link to the object libraries in their implementation.
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Installing a target with the :prop_tgt:`EXCLUDE_FROM_ALL` target property
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Installing a target with the :prop_tgt:`EXCLUDE_FROM_ALL` target property
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|
|
set to ``TRUE`` has undefined behavior.
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set to ``TRUE`` has undefined behavior.
|
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|
|
@ -193,6 +287,9 @@ use "generator expressions" with the syntax ``$<...>``. See the
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|
|
Installing Files
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Installing Files
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^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^
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.. _FILES:
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.. _PROGRAMS:
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::
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::
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install(<FILES|PROGRAMS> files... DESTINATION <dir>
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install(<FILES|PROGRAMS> files... DESTINATION <dir>
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@ -226,6 +323,8 @@ use "generator expressions" with the syntax ``$<...>``. See the
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Installing Directories
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Installing Directories
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^^^^^^^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^^^^^^^
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.. _DIRECTORY:
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::
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::
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install(DIRECTORY dirs... DESTINATION <dir>
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install(DIRECTORY dirs... DESTINATION <dir>
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@ -307,6 +406,9 @@ manual for available expressions.
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Custom Installation Logic
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Custom Installation Logic
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^^^^^^^^^^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^^^^^^^^^^
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.. _CODE:
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.. _SCRIPT:
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::
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::
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install([[SCRIPT <file>] [CODE <code>]]
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install([[SCRIPT <file>] [CODE <code>]]
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@ -328,16 +430,18 @@ will print a message during installation.
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Installing Exports
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Installing Exports
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^^^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^^^
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.. _EXPORT:
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::
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::
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install(EXPORT <export-name> DESTINATION <dir>
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install(EXPORT <export-name> DESTINATION <dir>
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[NAMESPACE <namespace>] [[FILE <name>.cmake]|
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[NAMESPACE <namespace>] [[FILE <name>.cmake]|
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[EXPORT_ANDROID_MK <name>.mk]]
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[PERMISSIONS permissions...]
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[PERMISSIONS permissions...]
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[CONFIGURATIONS [Debug|Release|...]]
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[CONFIGURATIONS [Debug|Release|...]]
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[EXPORT_LINK_INTERFACE_LIBRARIES]
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[EXPORT_LINK_INTERFACE_LIBRARIES]
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[COMPONENT <component>]
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[COMPONENT <component>]
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[EXCLUDE_FROM_ALL])
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[EXCLUDE_FROM_ALL])
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install(EXPORT_ANDROID_MK <export-name> DESTINATION <dir> [...])
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The ``EXPORT`` form generates and installs a CMake file containing code to
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The ``EXPORT`` form generates and installs a CMake file containing code to
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import targets from the installation tree into another project.
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import targets from the installation tree into another project.
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@ -354,14 +458,28 @@ generated import file will reference only the matching target
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configurations. The ``EXPORT_LINK_INTERFACE_LIBRARIES`` keyword, if
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configurations. The ``EXPORT_LINK_INTERFACE_LIBRARIES`` keyword, if
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present, causes the contents of the properties matching
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present, causes the contents of the properties matching
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``(IMPORTED_)?LINK_INTERFACE_LIBRARIES(_<CONFIG>)?`` to be exported, when
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``(IMPORTED_)?LINK_INTERFACE_LIBRARIES(_<CONFIG>)?`` to be exported, when
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policy :policy:`CMP0022` is ``NEW``. If a ``COMPONENT`` option is
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policy :policy:`CMP0022` is ``NEW``.
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specified that does not match that given to the targets associated with
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``<export-name>`` the behavior is undefined. If a library target is
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When a ``COMPONENT`` option is given, the listed ``<component>`` implicitly
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included in the export but a target to which it links is not included
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depends on all components mentioned in the export set. The exported
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the behavior is unspecified.
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``<name>.cmake`` file will require each of the exported components to be
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present in order for dependent projects to build properly. For example, a
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In addition to cmake language files, the ``EXPORT_ANDROID_MK`` option maybe
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project may define components ``Runtime`` and ``Development``, with shared
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used to specify an export to the android ndk build system. The Android
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libraries going into the ``Runtime`` component and static libraries and
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headers going into the ``Development`` component. The export set would also
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typically be part of the ``Development`` component, but it would export
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targets from both the ``Runtime`` and ``Development`` components. Therefore,
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the ``Runtime`` component would need to be installed if the ``Development``
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component was installed, but not vice versa. If the ``Development`` component
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was installed without the ``Runtime`` component, dependent projects that try
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to link against it would have build errors. Package managers, such as APT and
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RPM, typically handle this by listing the ``Runtime`` component as a dependency
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of the ``Development`` component in the package metadata, ensuring that the
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library is always installed if the headers and CMake export file are present.
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In addition to cmake language files, the ``EXPORT_ANDROID_MK`` mode maybe
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used to specify an export to the android ndk build system. This mode
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accepts the same options as the normal export mode. The Android
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NDK supports the use of prebuilt libraries, both static and shared. This
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NDK supports the use of prebuilt libraries, both static and shared. This
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allows cmake to build the libraries of a project and make them available
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allows cmake to build the libraries of a project and make them available
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to an ndk build system complete with transitive dependencies, include flags
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to an ndk build system complete with transitive dependencies, include flags
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@ -378,7 +496,7 @@ and installed by the current project. For example, the code
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will install the executable myexe to ``<prefix>/bin`` and code to import
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will install the executable myexe to ``<prefix>/bin`` and code to import
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it in the file ``<prefix>/lib/myproj/myproj.cmake`` and
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it in the file ``<prefix>/lib/myproj/myproj.cmake`` and
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``<prefix>/lib/share/ndk-modules/Android.mk``. An outside project
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``<prefix>/share/ndk-modules/Android.mk``. An outside project
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may load this file with the include command and reference the ``myexe``
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may load this file with the include command and reference the ``myexe``
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executable from the installation tree using the imported target name
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executable from the installation tree using the imported target name
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``mp_myexe`` as if the target were built in its own tree.
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``mp_myexe`` as if the target were built in its own tree.
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@ -392,3 +510,26 @@ executable from the installation tree using the imported target name
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those generated by :command:`install_targets`,
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those generated by :command:`install_targets`,
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:command:`install_files`, and :command:`install_programs` commands
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:command:`install_files`, and :command:`install_programs` commands
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is not defined.
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is not defined.
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|
Generated Installation Script
|
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|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The ``install()`` command generates a file, ``cmake_install.cmake``, inside
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the build directory, which is used internally by the generated install target
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and by CPack. You can also invoke this script manually with ``cmake -P``. This
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script accepts several variables:
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``COMPONENT``
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Set this variable to install only a single CPack component as opposed to all
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of them. For example, if you only want to install the ``Development``
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component, run ``cmake -DCOMPONENT=Development -P cmake_install.cmake``.
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``BUILD_TYPE``
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Set this variable to change the build type if you are using a multi-config
|
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generator. For example, to install with the ``Debug`` configuration, run
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``cmake -DBUILD_TYPE=Debug -P cmake_install.cmake``.
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``DESTDIR``
|
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This is an environment variable rather than a CMake variable. It allows you
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to change the installation prefix on UNIX systems. See :envvar:`DESTDIR` for
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|
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details.
|
|
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|
|
Felix Geyer
6 years ago