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| author | Brad King <brad.king@kitware.com> | 2021-01-27 14:02:28 (GMT) |
|---|---|---|
| committer | Kitware Robot <kwrobot@kitware.com> | 2021-01-27 14:02:35 (GMT) |
| commit | 7ab6d1e8317f61761ca7e57bc5cf774462a851ba (patch) | |
| tree | 5403db3ecd0963882a6c27c770a3532d89c563a4 /Modules | |
| parent | eff0f75bd2478f56bae68cab25c5892063feb950 (diff) | |
| parent | bdf30bdad8dfad258bbc8d387a91f66bee3d0c0f (diff) | |
| download | CMake-7ab6d1e8317f61761ca7e57bc5cf774462a851ba.zip CMake-7ab6d1e8317f61761ca7e57bc5cf774462a851ba.tar.gz CMake-7ab6d1e8317f61761ca7e57bc5cf774462a851ba.tar.bz2 | |
Merge topic 'cpack-compression-threads'
bdf30bdad8 CPack: add CPACK_THREADS variable to control compression threads
bcdb5b52a0 libarchive: Fix lzma_stream_encoder_mt detection
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5716
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/CPack.cmake | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Modules/CPack.cmake b/Modules/CPack.cmake index eb1d43b..ef5a7d5 100644 --- a/Modules/CPack.cmake +++ b/Modules/CPack.cmake @@ -282,6 +282,28 @@ installers. The most commonly-used variables are: received by the cpack program. Defaults to ``FALSE`` for backwards compatibility. +.. variable:: CPACK_THREADS + + .. versionadded:: 3.20 + + Number of threads to use when performing parallelized operations, such + as compressing the installer package. + + Some compression methods used by CPack generators such as Debian or Archive + may take advantage of multiple CPU cores to speed up compression. + ``CPACK_THREADS`` can be set to positive integer to specify how many threads + will be used for compression. If it is set to 0, CPack will set it so that + all available CPU cores are used. + By default ``CPACK_THREADS`` is set to ``1``. + + Currently only ``xz`` compression *may* take advantage of multiple cores. Other + compression methods ignore this value and use only one thread. + + .. note:: + + Official CMake binaries available on ``cmake.org`` ship with a ``liblzma`` + that does not support parallel compression. + Variables for Source Package Generators ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -746,6 +768,7 @@ _cpack_set_default(CPACK_INSTALL_CMAKE_PROJECTS "${CMAKE_BINARY_DIR};${CMAKE_PROJECT_NAME};ALL;/") _cpack_set_default(CPACK_CMAKE_GENERATOR "${CMAKE_GENERATOR}") _cpack_set_default(CPACK_TOPLEVEL_TAG "${CPACK_SYSTEM_NAME}") +_cpack_set_default(CPACK_THREADS 1) # if the user has set CPACK_NSIS_DISPLAY_NAME remember it if(DEFINED CPACK_NSIS_DISPLAY_NAME) set(CPACK_NSIS_DISPLAY_NAME_SET TRUE) |