62 lines
2.2 KiB
CMake
62 lines
2.2 KiB
CMake
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# Find clang-format
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#
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# CLANG_FORMAT_EXECUTABLE - Path to clang-format executable
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# CLANG_FORMAT_FOUND - True if the clang-format executable was found.
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# CLANG_FORMAT_VERSION - The version of clang-format found
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#
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# Copyright 2009-2020 The VOTCA Development Team (http://www.votca.org)
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#
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# Licensed under the Mozilla Public License Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.mozilla.org/en-US/MPL/2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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find_program(CLANG_FORMAT_EXECUTABLE
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NAMES
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clang-format-9
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clang-format
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clang-format-11
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clang-format-10
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clang-format-8
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clang-format-7
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DOC "clang-format executable")
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mark_as_advanced(CLANG_FORMAT_EXECUTABLE)
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# Extract version from command "clang-format -version"
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if(CLANG_FORMAT_EXECUTABLE)
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execute_process(COMMAND ${CLANG_FORMAT_EXECUTABLE} -version
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OUTPUT_VARIABLE clang_format_version
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(clang_format_version MATCHES "^.*clang-format version .*")
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# clang_format_version sample: "clang-format version 3.9.1-4ubuntu3~16.04.1
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# (tags/RELEASE_391/rc2)"
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string(REGEX
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REPLACE "^.*clang-format version ([.0-9]+).*"
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"\\1"
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CLANG_FORMAT_VERSION
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"${clang_format_version}")
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# CLANG_FORMAT_VERSION sample: "3.9.1"
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else()
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set(CLANG_FORMAT_VERSION 0.0)
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endif()
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else()
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set(CLANG_FORMAT_VERSION 0.0)
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endif()
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include(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set CLANG_FORMAT_FOUND to TRUE
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# if all listed variables are TRUE
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find_package_handle_standard_args(CLANG_FORMAT REQUIRED_VARS CLANG_FORMAT_EXECUTABLE VERSION_VAR CLANG_FORMAT_VERSION)
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