mirror of
https://github.com/microsoft/vcpkg.git
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58 lines
2.0 KiB
CMake
58 lines
2.0 KiB
CMake
## # vcpkg_apply_patches
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##
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## Apply a set of patches to a source tree.
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##
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## ## Usage
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## ```cmake
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## vcpkg_apply_patches(
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## SOURCE_PATH <${SOURCE_PATH}>
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## [QUIET]
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## PATCHES <patch1.patch>...
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## )
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## ```
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##
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## ## Parameters
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## ### SOURCE_PATH
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## The source path in which apply the patches. By convention, this is usually set in the portfile as the variable `SOURCE_PATH`.
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##
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## ### PATCHES
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## A list of patches that are applied to the source tree.
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##
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## Generally, these take the form of `${CMAKE_CURRENT_LIST_DIR}/some.patch` to select patches in the `port\<port>\` directory.
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##
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## ### QUIET
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## Disables the warning message upon failure.
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##
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## This should only be used for edge cases, such as patches that are known to fail even on a clean source tree.
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##
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## ## Examples
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##
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## * [boost](https://github.com/Microsoft/vcpkg/blob/master/ports/boost/portfile.cmake)
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## * [freetype](https://github.com/Microsoft/vcpkg/blob/master/ports/freetype/portfile.cmake)
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## * [libpng](https://github.com/Microsoft/vcpkg/blob/master/ports/libpng/portfile.cmake)
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function(vcpkg_apply_patches)
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cmake_parse_arguments(_ap "QUIET" "SOURCE_PATH" "PATCHES" ${ARGN})
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find_program(GIT NAMES git git.cmd)
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set(PATCHNUM 0)
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foreach(PATCH ${_ap_PATCHES})
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message(STATUS "Applying patch ${PATCH}")
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set(LOGNAME patch-${TARGET_TRIPLET}-${PATCHNUM})
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execute_process(
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COMMAND ${GIT} --work-tree=. --git-dir=.git apply "${PATCH}" --ignore-whitespace --whitespace=nowarn --verbose
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OUTPUT_FILE ${CURRENT_BUILDTREES_DIR}/${LOGNAME}-out.log
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ERROR_FILE ${CURRENT_BUILDTREES_DIR}/${LOGNAME}-err.log
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WORKING_DIRECTORY ${_ap_SOURCE_PATH}
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RESULT_VARIABLE error_code
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)
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if(error_code AND NOT _ap_QUIET)
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message(STATUS "Applying patch failed. This is expected if this patch was previously applied.")
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endif()
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message(STATUS "Applying patch ${PATCH} done")
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math(EXPR PATCHNUM "${PATCHNUM}+1")
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endforeach()
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endfunction()
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