CS144Lab/etc/clang_format.cmake
2021-09-21 17:11:37 -07:00

24 lines
1.1 KiB
CMake

if (NOT CLANG_FORMAT)
if (DEFINED ENV{CLANG_FORMAT})
set (CLANG_FORMAT_TMP $ENV{CLANG_FORMAT})
else (NOT DEFINED ENV{CLANG_FORMAT})
set (CLANG_FORMAT_TMP clang-format-6.0)
endif (DEFINED ENV{CLANG_FORMAT})
# figure out which version of clang-format we're using
execute_process (COMMAND ${CLANG_FORMAT_TMP} --version RESULT_VARIABLE CLANG_FORMAT_RESULT OUTPUT_VARIABLE CLANG_FORMAT_VERSION)
if (${CLANG_FORMAT_RESULT} EQUAL 0)
string (REGEX MATCH "version [0-9]" CLANG_FORMAT_VERSION ${CLANG_FORMAT_VERSION})
message (STATUS "Found clang-format " ${CLANG_FORMAT_VERSION})
set(CLANG_FORMAT ${CLANG_FORMAT_TMP} CACHE STRING "clang-format executable name")
endif (${CLANG_FORMAT_RESULT} EQUAL 0)
endif (NOT CLANG_FORMAT)
if (DEFINED CLANG_FORMAT)
file (GLOB_RECURSE ALL_CC_FILES *.cc)
file (GLOB_RECURSE ALL_HH_FILES *.hh)
add_custom_target (format ${CLANG_FORMAT} -i ${ALL_CC_FILES} ${ALL_HH_FILES} COMMENT "Formatted all source files.")
else (NOT DEFINED CLANG_FORMAT)
add_custom_target (format echo "Could not find clang-format. Please install and re-run cmake")
endif (DEFINED CLANG_FORMAT)