mirror of https://github.com/thesofproject/sof.git
58 lines
2.0 KiB
CMake
58 lines
2.0 KiB
CMake
# SPDX-License-Identifier: BSD-3-Clause
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find_package(Git)
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set(RIMAGE_CMAKE "${SOF_ROOT_SOURCE_DIRECTORY}/rimage/CMakeLists.txt")
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if(GIT_FOUND AND EXISTS "${SOF_ROOT_SOURCE_DIRECTORY}/.git")
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if(EXISTS "${RIMAGE_CMAKE}")
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# As incredible as it sounds, some people run neither
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# "git status" nor "git diff" every few minutes and not
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# even when their build fails. There has been reports
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# that they're puzzled when they miss a required
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# submodule update. This is an attempt to draw their
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# attention based on the assumption that they pay more
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# attention to the CMake logs. The warning can be
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# silenced with I_KNOW_SUBMODULES, see below.
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execute_process(COMMAND ${GIT_EXECUTABLE} submodule status --recursive
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
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OUTPUT_VARIABLE stdout
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RESULT_VARIABLE status)
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if(NOT "${status}" EQUAL "0")
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# stderr was passed-through
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message(FATAL_ERROR
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"git submodule status --recursive failed, returned: ${status}\n${stdout}")
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endif()
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if(NOT "$ENV{I_KNOW_SUBMODULES}" AND
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("${stdout}" MATCHES "^[^ ]" OR "${stdout}" MATCHES "\n[^ ]"))
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message(WARNING
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"There are submodule changes, check git status and git diff\n${stdout}")
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endif()
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else()
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# Automated initialization for convenience. You can defeat it by
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# manually initializing rimage and _not_ some other
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# submodule. In that case you get the warning above.
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message(STATUS "Git submodules update")
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execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --merge --recursive
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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RESULT_VARIABLE GIT_SUBMOD_RESULT)
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if(NOT GIT_SUBMOD_RESULT EQUAL "0")
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message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
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endif()
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endif() # rimage/CMakeLists.txt
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endif() # .git/
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# rimage is not optional, see "git grep include.*rimage"
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if(NOT EXISTS "${RIMAGE_CMAKE}")
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message(FATAL_ERROR "rimage not found! Please update git submodules and try again.")
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endif()
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