# Determine if the compiler has GCC-compatible command-line syntax.

if (NOT DEFINED LLVM_COMPILER_IS_GCC_COMPATIBLE)
  if (CMAKE_COMPILER_IS_GNUCXX)
    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
  elseif (MSVC)
    set(LLVM_COMPILER_IS_GCC_COMPATIBLE OFF)
  elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
  endif()
endif()