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# Find clang-format
find_program(ClangFormat_EXECUTABLE NAMES clang-format
clang-format-20.0
clang-format-19.0
clang-format-18.0
clang-format-17.0
clang-format-16.0
clang-format-15.0
clang-format-14.0
clang-format-13.0
clang-format-12.0
clang-format-11.0
clang-format-10.0
clang-format-9.0
clang-format-8.0
clang-format-7.0
clang-format-6.0
DOC "clang-format executable")
mark_as_advanced(ClangFormat_EXECUTABLE)
if(ClangFormat_EXECUTABLE)
# find version
execute_process(COMMAND ${ClangFormat_EXECUTABLE} --version
OUTPUT_VARIABLE clang_format_version
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if(clang_format_version MATCHES "^(Ubuntu |Debian |)clang-format version .*")
# Arch Linux output:
# clang-format version 10.0.0
#
# Ubuntu 18.04 LTS output:
# clang-format version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
#
# Ubuntu 20.04 LTS output:
# clang-format version 10.0.0-4ubuntu1
#
# Ubuntu 22.04 LTS output:
# Ubuntu clang-format version 14.0.0-1ubuntu1
#
# Debian 11 output:
# Debian clang-format version 11.0.1-2
#
# Debian 12 output:
# Debian clang-format version 14.0.6
#
# Fedora 36 output:
# clang-format version 14.0.5 (Fedora 14.0.5-1.fc36)
string(REGEX REPLACE "^(Ubuntu |Debian |)clang-format version ([0-9.]+).*"
"\\2"
ClangFormat_VERSION
"${clang_format_version}")
elseif(clang_format_version MATCHES ".*LLVM version .*")
# CentOS 7 output:
# LLVM (http://llvm.org/):
# LLVM version 3.4.2
# Optimized build.
# Built Nov 1 2018 (15:06:24).
# Default target: x86_64-redhat-linux-gnu
# Host CPU: x86-64
string(REGEX REPLACE ".*LLVM version ([0-9.]+).*"
"\\1"
ClangFormat_VERSION
"${clang_format_version}")
else()
set(ClangFormat_VERSION "0.0")
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ClangFormat REQUIRED_VARS ClangFormat_EXECUTABLE VERSION_VAR ClangFormat_VERSION)
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