e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
107 lines
3.2 KiB
CMake
107 lines
3.2 KiB
CMake
# SPDX-FileCopyrightText: 2020 Blender Authors
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#
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# SPDX-License-Identifier: BSD-3-Clause
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# - Find clang-tidy executable
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#
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# Find the native clang-tidy executable
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#
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# This module defines
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# CLANG_TIDY_EXECUTABLE, the ful lpath to clang-tidy executable
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#
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# CLANG_TIDY_VERSION, the full version of the clang-tidy in the
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# major,minor.patch format
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#
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# CLANG_TIDY_VERSION_MAJOR,
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# CLANG_TIDY_VERSION_MINOR,
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# CLANG_TIDY_VERSION_PATCH, individual components of the clang-tidy version.
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#
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# CLANG_TIDY_FOUND, If false, do not try to use Eigen3.
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# If `CLANG_TIDY_ROOT_DIR` was defined in the environment, use it.
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if(DEFINED CLANG_TIDY_ROOT_DIR)
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# Pass.
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elseif(DEFINED ENV{CLANG_TIDY_ROOT_DIR})
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set(CLANG_TIDY_ROOT_DIR $ENV{CLANG_TIDY_ROOT_DIR})
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else()
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set(CLANG_TIDY_ROOT_DIR "")
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endif()
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set(_clang_tidy_SEARCH_DIRS
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${CLANG_TIDY_ROOT_DIR}
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/usr/local/bin
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)
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# TODO(sergey): Find more reliable way of finding the latest clang-tidy.
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find_program(CLANG_TIDY_EXECUTABLE
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NAMES
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clang-tidy-12
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clang-tidy-11
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clang-tidy-10
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clang-tidy-9
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clang-tidy-8
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clang-tidy-7
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clang-tidy
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HINTS
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${_clang_tidy_SEARCH_DIRS}
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)
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if(CLANG_TIDY_EXECUTABLE AND NOT EXISTS ${CLANG_TIDY_EXECUTABLE})
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message(WARNING "Cached or directly specified Clang-Tidy executable does not exist.")
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set(CLANG_TIDY_FOUND FALSE)
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elseif(CLANG_TIDY_EXECUTABLE)
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# Mark clang-tidy as found.
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set(CLANG_TIDY_FOUND TRUE)
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# Setup fallback values.
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set(CLANG_TIDY_VERSION_MAJOR 0)
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set(CLANG_TIDY_VERSION_MINOR 0)
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set(CLANG_TIDY_VERSION_PATCH 0)
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# Get version from the output.
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#
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# NOTE: Don't use name of the executable file since that only includes a
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# major version. Also, even the major version might be missing in the
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# executable name.
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execute_process(COMMAND ${CLANG_TIDY_EXECUTABLE} -version
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OUTPUT_VARIABLE CLANG_TIDY_VERSION_RAW
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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# Parse parts.
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if(CLANG_TIDY_VERSION_RAW MATCHES "LLVM version .*")
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# Strip the LLVM prefix and get list of individual version components.
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string(REGEX REPLACE
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".*LLVM version ([.0-9]+).*" "\\1"
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CLANG_SEMANTIC_VERSION "${CLANG_TIDY_VERSION_RAW}")
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string(REPLACE "." ";" CLANG_VERSION_PARTS "${CLANG_SEMANTIC_VERSION}")
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list(LENGTH CLANG_VERSION_PARTS NUM_CLANG_TIDY_VERSION_PARTS)
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# Extract components into corresponding variables.
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if(NUM_CLANG_TIDY_VERSION_PARTS GREATER 0)
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list(GET CLANG_VERSION_PARTS 0 CLANG_TIDY_VERSION_MAJOR)
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endif()
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if(NUM_CLANG_TIDY_VERSION_PARTS GREATER 1)
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list(GET CLANG_VERSION_PARTS 1 CLANG_TIDY_VERSION_MINOR)
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endif()
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if(NUM_CLANG_TIDY_VERSION_PARTS GREATER 2)
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list(GET CLANG_VERSION_PARTS 2 CLANG_TIDY_VERSION_PATCH)
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endif()
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# Unset temp variables.
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unset(NUM_CLANG_TIDY_VERSION_PARTS)
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unset(CLANG_SEMANTIC_VERSION)
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unset(CLANG_VERSION_PARTS)
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endif()
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# Construct full semantic version.
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set(CLANG_TIDY_VERSION "${CLANG_TIDY_VERSION_MAJOR}.\
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${CLANG_TIDY_VERSION_MINOR}.\
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${CLANG_TIDY_VERSION_PATCH}")
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unset(CLANG_TIDY_VERSION_RAW)
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message(STATUS "Found clang-tidy ${CLANG_TIDY_EXECUTABLE} (${CLANG_TIDY_VERSION})")
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else()
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set(CLANG_TIDY_FOUND FALSE)
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endif()
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