277 lines
8.2 KiB
ReStructuredText
277 lines
8.2 KiB
ReStructuredText
.. cmake-manual-description: CMake Command-Line Reference
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cmake(1)
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********
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Synopsis
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========
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.. parsed-literal::
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cmake [<options>] (<path-to-source> | <path-to-existing-build>)
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cmake [(-D <var>=<value>)...] -P <cmake-script-file>
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cmake --build <dir> [<options>] [-- <build-tool-options>...]
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cmake -E <command> [<options>...]
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cmake --find-package <options>...
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Description
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===========
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The "cmake" executable is the CMake command-line interface. It may be
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used to configure projects in scripts. Project configuration settings
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may be specified on the command line with the -D option.
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CMake is a cross-platform build system generator. Projects specify
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their build process with platform-independent CMake listfiles included
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in each directory of a source tree with the name CMakeLists.txt.
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Users build a project by using CMake to generate a build system for a
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native tool on their platform.
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.. _`CMake Options`:
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Options
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=======
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.. include:: OPTIONS_BUILD.txt
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``-E <command> [<options>...]``
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See `Command-Line Tool Mode`_.
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``-L[A][H]``
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List non-advanced cached variables.
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List cache variables will run CMake and list all the variables from
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the CMake cache that are not marked as INTERNAL or ADVANCED. This
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will effectively display current CMake settings, which can then be
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changed with -D option. Changing some of the variables may result
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in more variables being created. If A is specified, then it will
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display also advanced variables. If H is specified, it will also
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display help for each variable.
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``--build <dir>``
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Build a CMake-generated project binary tree.
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This abstracts a native build tool's command-line interface with the
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following options:
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::
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<dir> = Project binary directory to be built.
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--target <tgt> = Build <tgt> instead of default targets.
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--config <cfg> = For multi-configuration tools, choose <cfg>.
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--clean-first = Build target 'clean' first, then build.
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(To clean only, use --target 'clean'.)
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--use-stderr = Ignored. Behavior is default in CMake >= 3.0.
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-- = Pass remaining options to the native tool.
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Run ``cmake --build`` with no options for quick help.
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``-N``
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View mode only.
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Only load the cache. Do not actually run configure and generate
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steps.
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``-P <file>``
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Process script mode.
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Process the given cmake file as a script written in the CMake
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language. No configure or generate step is performed and the cache
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is not modified. If variables are defined using -D, this must be
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done before the -P argument.
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``--find-package``
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Run in pkg-config like mode.
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Search a package using find_package() and print the resulting flags
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to stdout. This can be used to use cmake instead of pkg-config to
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find installed libraries in plain Makefile-based projects or in
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autoconf-based projects (via share/aclocal/cmake.m4).
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``--graphviz=[file]``
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Generate graphviz of dependencies, see CMakeGraphVizOptions.cmake for more.
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Generate a graphviz input file that will contain all the library and
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executable dependencies in the project. See the documentation for
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CMakeGraphVizOptions.cmake for more details.
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``--system-information [file]``
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Dump information about this system.
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Dump a wide range of information about the current system. If run
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from the top of a binary tree for a CMake project it will dump
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additional information such as the cache, log files etc.
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``--debug-trycompile``
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Do not delete the try_compile build tree. Only useful on one try_compile at a time.
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Do not delete the files and directories created for try_compile
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calls. This is useful in debugging failed try_compiles. It may
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however change the results of the try-compiles as old junk from a
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previous try-compile may cause a different test to either pass or
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fail incorrectly. This option is best used for one try-compile at a
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time, and only when debugging.
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``--debug-output``
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Put cmake in a debug mode.
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Print extra information during the cmake run like stack traces with
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message(send_error ) calls.
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``--trace``
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Put cmake in trace mode.
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Print a trace of all calls made and from where.
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``--trace-expand``
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Put cmake in trace mode.
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Like ``--trace``, but with variables expanded.
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``--warn-uninitialized``
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Warn about uninitialized values.
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Print a warning when an uninitialized variable is used.
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``--warn-unused-vars``
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Warn about unused variables.
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Find variables that are declared or set, but not used.
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``--no-warn-unused-cli``
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Don't warn about command line options.
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Don't find variables that are declared on the command line, but not
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used.
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``--check-system-vars``
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Find problems with variable usage in system files.
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Normally, unused and uninitialized variables are searched for only
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in CMAKE_SOURCE_DIR and CMAKE_BINARY_DIR. This flag tells CMake to
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warn about other files as well.
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.. include:: OPTIONS_HELP.txt
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Command-Line Tool Mode
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======================
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CMake provides builtin command-line tools through the signature::
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cmake -E <command> [<options>...]
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Run ``cmake -E`` or ``cmake -E help`` for a summary of commands.
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Available commands are:
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``chdir <dir> <cmd> [<arg>...]``
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Change the current working directory and run a command.
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``compare_files <file1> <file2>``
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Check if ``<file1>`` is same as ``<file2>``. If files are the same,
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then returns 0, if not itreturns 1.
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``copy <file>... <destination>``
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Copy files to ``<destination>`` (either file or directory).
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If multiple files are specified, the ``<destination>`` must be
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directory and it must exist.
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``copy_directory <dir>... <destination>``
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Copy directories to ``<destination>`` directory.
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If ``<destination>`` directory does not exist it will be created.
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``copy_if_different <file>... <destination>``
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Copy files to ``<destination>`` (either file or directory) if
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they have changed.
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If multiple files are specified, the ``<destination>`` must be
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directory and it must exist.
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``echo [<string>...]``
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Displays arguments as text.
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``echo_append [<string>...]``
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Displays arguments as text but no new line.
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``env [--unset=NAME]... [NAME=VALUE]... COMMAND [ARG]...``
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Run command in a modified environment.
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``environment``
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Display the current environment variables.
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``make_directory <dir>...``
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Create ``<dir>`` directories. If necessary, create parent
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directories too.
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``md5sum <file>...``
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Compute md5sum of files.
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``remove [-f] <file>...``
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Remove the file(s), use ``-f`` to force it.
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``remove_directory <dir>``
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Remove a directory and its contents.
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``rename <oldname> <newname>``
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Rename a file or directory (on one volume).
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``sleep <number>...``
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Sleep for given number of seconds.
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``tar [cxt][vf][zjJ] file.tar [<options>...] [--] [<file>...]``
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Create or extract a tar or zip archive. Options are:
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``--``
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Stop interpreting options and treat all remaining arguments
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as file names even if they start in ``-``.
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``--files-from=<file>``
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Read file names from the given file, one per line.
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Blank lines are ignored. Lines may not start in ``-``
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except for ``--add-file=<name>`` to add files whose
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names start in ``-``.
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``--mtime=<date>``
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Specify modification time recorded in tarball entries.
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``--format=<format>``
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Specify the format of the archive to be created.
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Supported formats are: ``7zip``, ``gnutar``, ``pax``,
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``paxr`` (restricted pax, default), and ``zip``.
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``time <command> [<args>...]``
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Run command and return elapsed time.
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``touch <file>``
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Touch a file.
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``touch_nocreate <file>``
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Touch a file if it exists but do not create it.
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UNIX-specific Command-Line Tools
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--------------------------------
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The following ``cmake -E`` commands are available only on UNIX:
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``create_symlink <old> <new>``
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Create a symbolic link ``<new>`` naming ``<old>``.
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Windows-specific Command-Line Tools
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-----------------------------------
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The following ``cmake -E`` commands are available only on Windows:
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``delete_regv <key>``
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Delete Windows registry value.
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``env_vs8_wince <sdkname>``
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Displays a batch file which sets the environment for the provided
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Windows CE SDK installed in VS2005.
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``env_vs9_wince <sdkname>``
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Displays a batch file which sets the environment for the provided
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Windows CE SDK installed in VS2008.
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``write_regv <key> <value>``
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Write Windows registry value.
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See Also
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========
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.. include:: LINKS.txt
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