diff options
Diffstat (limited to 'src/arrow/cpp/cmake_modules/FindClangTools.cmake')
| -rw-r--r-- | src/arrow/cpp/cmake_modules/FindClangTools.cmake | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/arrow/cpp/cmake_modules/FindClangTools.cmake b/src/arrow/cpp/cmake_modules/FindClangTools.cmake new file mode 100644 index 000000000..52fc59895 --- /dev/null +++ b/src/arrow/cpp/cmake_modules/FindClangTools.cmake @@ -0,0 +1,106 @@ +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# Tries to find the clang-tidy and clang-format modules +# +# Usage of this module as follows: +# +# find_package(ClangTools) +# +# Variables used by this module which can change the default behaviour and need +# to be set before calling find_package: +# +# CLANG_FORMAT_VERSION - +# The version of clang-format to find. If this is not specified, clang-format +# will not be searched for. +# +# ClangTools_PATH - +# When set, this path is inspected in addition to standard library binary locations +# to find clang-tidy and clang-format +# +# This module defines +# CLANG_TIDY_BIN, The path to the clang tidy binary +# CLANG_TIDY_FOUND, Whether clang tidy was found +# CLANG_FORMAT_BIN, The path to the clang format binary +# CLANG_FORMAT_FOUND, Whether clang format was found + +set(CLANG_TOOLS_SEARCH_PATHS + ${ClangTools_PATH} + $ENV{CLANG_TOOLS_PATH} + /usr/local/bin + /usr/bin + "C:/Program Files/LLVM/bin" # Windows, non-conda + "$ENV{CONDA_PREFIX}/Library/bin") # Windows, conda +if(CLANG_TOOLS_BREW_PREFIX) + list(APPEND CLANG_TOOLS_SEARCH_PATHS "${CLANG_TOOLS_BREW}/bin") +endif() + +function(FIND_CLANG_TOOL NAME OUTPUT VERSION_CHECK_PATTERN) + unset(CLANG_TOOL_BIN CACHE) + find_program(CLANG_TOOL_BIN + NAMES ${NAME}-${ARROW_CLANG_TOOLS_VERSION} + ${NAME}-${ARROW_CLANG_TOOLS_VERSION_MAJOR} + PATHS ${CLANG_TOOLS_SEARCH_PATHS} + NO_DEFAULT_PATH) + if(NOT CLANG_TOOL_BIN) + # try searching for non-versioned tool and check the version + find_program(CLANG_TOOL_BIN + NAMES ${NAME} + PATHS ${CLANG_TOOLS_SEARCH_PATHS} + NO_DEFAULT_PATH) + if(CLANG_TOOL_BIN) + unset(CLANG_TOOL_VERSION_MESSAGE) + execute_process(COMMAND ${CLANG_TOOL_BIN} "-version" + OUTPUT_VARIABLE CLANG_TOOL_VERSION_MESSAGE + OUTPUT_STRIP_TRAILING_WHITESPACE) + if(NOT (${CLANG_TOOL_VERSION_MESSAGE} MATCHES ${VERSION_CHECK_PATTERN})) + set(CLANG_TOOL_BIN "CLANG_TOOL_BIN-NOTFOUND") + endif() + endif() + endif() + if(CLANG_TOOL_BIN) + set(${OUTPUT} + ${CLANG_TOOL_BIN} + PARENT_SCOPE) + else() + set(${OUTPUT} + "${OUTPUT}-NOTFOUND" + PARENT_SCOPE) + endif() +endfunction() + +string(REGEX REPLACE "\\." "\\\\." ARROW_CLANG_TOOLS_VERSION_ESCAPED + "${ARROW_CLANG_TOOLS_VERSION}") + +find_clang_tool(clang-tidy CLANG_TIDY_BIN + "LLVM version ${ARROW_CLANG_TOOLS_VERSION_ESCAPED}") +if(CLANG_TIDY_BIN) + set(CLANG_TIDY_FOUND 1) + message(STATUS "clang-tidy found at ${CLANG_TIDY_BIN}") +else() + set(CLANG_TIDY_FOUND 0) + message(STATUS "clang-tidy not found") +endif() + +find_clang_tool(clang-format CLANG_FORMAT_BIN + "^clang-format version ${ARROW_CLANG_TOOLS_VERSION_ESCAPED}") +if(CLANG_FORMAT_BIN) + set(CLANG_FORMAT_FOUND 1) + message(STATUS "clang-format found at ${CLANG_FORMAT_BIN}") +else() + set(CLANG_FORMAT_FOUND 0) + message(STATUS "clang-format not found") +endif() + +find_package_handle_standard_args(ClangTools REQUIRED_VARS CLANG_FORMAT_BIN + CLANG_TIDY_BIN) |