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https://github.com/Kitware/CMake.git
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Craig Scott
17e5516e60
The cost of setting up and executing a separate sub-build to do the download, update and patch steps required for FetchContent population can be significant with some platforms and CMake generators. Avoid the sub-build altogether by invoking the step scripts directly. Previously, if no generator was set (e.g. population was being done in script mode), a generator needed to be available on the default PATH. Since we no longer use a sub-build, this restriction is also now gone. Fixes: #21703
14 lines
600 B
ReStructuredText
14 lines
600 B
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fetchcontent-performance
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* The implementation of the :module:`ExternalProject` module was
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significantly refactored. The patch step gained support for
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using the terminal with a new ``USES_TERMINAL_PATCH`` keyword
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as a by-product of that work.
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* The :module:`FetchContent` module no longer creates a separate
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sub-build to implement the content population. It now invokes
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the step scripts directly from within the main project's
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configure stage. This significantly speeds up the configure
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phase when the required content is already populated and
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up-to-date.
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