# CMake find_package() Module for clang-format
#
# Example usage:
#
# find_package(ClangFormat)
#
# If successful the following variables will be defined
# CLANGFORMAT_FOUND
# CLANGFORMAT_EXECUTABLE

if( ROSA_CLANG_FORMAT_PATH STREQUAL "" )
  find_program(CLANGFORMAT_EXECUTABLE
               NAMES clang-format
               DOC "Path to clang-format executable")
else()
  find_program(CLANGFORMAT_EXECUTABLE
               NAMES clang-format
               PATHS ${ROSA_CLANG_FORMAT_PATH}
               DOC "Path to clang-format executable"
               NO_DEFAULT_PATH)
endif()

# Handle REQUIRED and QUIET arguments
# this will also set CLANGFORMAT_FOUND to true if CLANGFORMAT_EXECUTABLE exists
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ClangFormat
                                  "Failed to locate clang-format executable"
                                  CLANGFORMAT_EXECUTABLE)