80 lines
2.5 KiB
CMake
80 lines
2.5 KiB
CMake
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#
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# .rst: FindClangFormat
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# ---------------
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#
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# The module defines the following variables
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#
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# ``ClangFormat_EXECUTABLE`` Path to clang-format executable
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# ``ClangFormat_FOUND`` True if the clang-format executable was found.
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# ``ClangFormat_VERSION`` The version of clang-format found
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#
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# Example usage:
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#
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# .. code-block:: cmake
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#
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# find_package(ClangFormat)
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# if(ClangFormat_FOUND)
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# message("clang-format executable found: ${ClangFormat_EXECUTABLE}\n"
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# "version: ${ClangFormat_VERSION}")
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# endif()
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find_program(ClangFormat_EXECUTABLE
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NAMES
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# unreleased versions
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clang-format-14
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clang-format-13
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clang-format-12
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clang-format-11
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# current latest
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clang-format-10
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clang-format-9
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# since clang-format-8, only major version is prefixed
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clang-format-8
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clang-format-8.0
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clang-format-7
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clang-format-7.0
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clang-format-6.0
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clang-format-5.0
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clang-format-4.0
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clang-format-3.9
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clang-format-3.8
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clang-format-3.7
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clang-format-3.6
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clang-format-3.5
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clang-format-3.4
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clang-format-3.3
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clang-format # least priority
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DOC "clang-format executable")
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mark_as_advanced(ClangFormat_EXECUTABLE)
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# Extract version from command "clang-format -version"
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if(ClangFormat_EXECUTABLE)
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execute_process(COMMAND ${ClangFormat_EXECUTABLE} -version
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OUTPUT_VARIABLE clang_format_version
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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set(version_regex "^.*clang-format version ([.0-9]+).*")
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if(clang_format_version MATCHES ${version_regex})
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# clang_format_version samples:
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# * clang-format version 3.9.1-4ubuntu3~16.04.1 (tags/RELEASE_391/rc2)
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# * Alpine clang-format version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
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string(REGEX
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REPLACE ${version_regex}
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"\\1"
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ClangFormat_VERSION
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"${clang_format_version}")
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# ClangFormat_VERSION sample: "3.9.1", "8.0.0"
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endif()
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unset(clang_format_version)
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unset(version_regex)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(
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ClangFormat
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REQUIRED_VARS
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ClangFormat_EXECUTABLE
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ClangFormat_VERSION
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VERSION_VAR
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ClangFormat_VERSION
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)
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