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# SPDX-License-Identifier: GPL-2.0
#
# CMake macros to check style of source code files
# Copyright (C) 2021 Manuel Bentele <development@manuel-bentele.de>
#
find_package(ClangFormat)
find_package(CheckPatch)
if(ClangFormat_FOUND OR CheckPatch_FOUND)
# add target to trigger all linter targets
add_custom_target(lint)
endif(ClangFormat_FOUND OR CheckPatch_FOUND)
# macro to define lint targets
macro(add_linter LINT_NAME LINT_SOURCE_FILES)
if(ClangFormat_FOUND)
add_custom_target(${LINT_NAME}
COMMAND ${ClangFormat_EXECUTABLE} --Werror --dry-run ${LINT_SOURCE_FILES} ${ARGN}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
DEPENDS ${LINT_SOURCE_FILES} ${ARGN})
add_dependencies(lint ${LINT_NAME})
endif(ClangFormat_FOUND)
endmacro(add_linter)
# macro to define lint targets for kernel source code files
macro(add_kernel_linter LINT_NAME LINT_IGNORE_OPTIONS LINT_SOURCE_FILES LINT_HEADER_FILES)
if(CheckPatch_FOUND)
set(LINT_IGNORE_ARGS "")
foreach(IGNORE_OPTION ${LINT_IGNORE_OPTIONS})
list(APPEND LINT_IGNORE_ARGS "--ignore" "${IGNORE_OPTION}")
endforeach(IGNORE_OPTION ${LINT_IGNORE_OPTIONS})
add_custom_target(${LINT_NAME}
COMMAND ${CheckPatch_EXECUTABLE} --no-tree --max-line-length=120 ${LINT_IGNORE_ARGS} -f ${LINT_SOURCE_FILES} ${LINT_HEADER_FILES}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
DEPENDS ${LINT_SOURCE_FILES} ${LINT_HEADER_FILES})
add_dependencies(lint ${LINT_NAME})
endif(CheckPatch_FOUND)
endmacro(add_kernel_linter)
if(ClangFormat_FOUND OR CheckPatch_FOUND)
# add target to trigger all formatter targets
add_custom_target(lint-fix)
endif(ClangFormat_FOUND OR CheckPatch_FOUND)
# macro to define formatter targets
macro(add_linter_fix LINT_FIX_NAME LINT_FIX_SOURCE_FILES)
if(ClangFormat_FOUND)
add_custom_target(${LINT_FIX_NAME}
COMMAND ${ClangFormat_EXECUTABLE} --Werror -i ${LINT_FIX_SOURCE_FILES} ${ARGN}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
DEPENDS ${LINT_FIX_SOURCE_FILES} ${ARGN})
add_dependencies(lint-fix ${LINT_FIX_NAME})
endif(ClangFormat_FOUND)
endmacro(add_linter_fix)
# macro to define formatter targets for kernel source code files
macro(add_kernel_linter_fix LINT_FIX_NAME LINT_FIX_IGNORE_OPTIONS LINT_FIX_SOURCE_FILES LINT_FIX_HEADER_FILES)
if(CheckPatch_FOUND)
set(LINT_FIX_IGNORE_ARGS "")
foreach(IGNORE_OPTION ${LINT_FIX_IGNORE_OPTIONS})
list(APPEND LINT_FIX_IGNORE_ARGS "--ignore" "${IGNORE_OPTION}")
endforeach(IGNORE_OPTION ${LINT_FIX_IGNORE_OPTIONS})
add_custom_target(${LINT_FIX_NAME}
COMMAND ${CheckPatch_EXECUTABLE} --no-tree --max-line-length=120 ${LINT_FIX_IGNORE_ARGS} --fix-inplace -f ${LINT_FIX_SOURCE_FILES} ${LINT_FIX_HEADER_FILES}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
DEPENDS ${LINT_FIX_SOURCE_FILES} ${LINT_FIX_HEADER_FILES})
add_dependencies(lint-fix ${LINT_FIX_NAME})
endif(CheckPatch_FOUND)
endmacro(add_kernel_linter_fix)
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