if (NOT LIBCXX_INSTALL_SUPPORT_HEADERS)
  set(LIBCXX_SUPPORT_HEADER_PATTERN PATTERN "support" EXCLUDE)
endif()
set(LIBCXX_HEADER_PATTERN
  PATTERN "*"
  PATTERN "CMakeLists.txt" EXCLUDE
  PATTERN ".svn" EXCLUDE
  ${LIBCXX_SUPPORT_HEADER_PATTERN}
  )

file(COPY .
  DESTINATION "${CMAKE_BINARY_DIR}/include/c++/v1"
  FILES_MATCHING
  ${LIBCXX_HEADER_PATTERN}
  )

if (LIBCXX_INSTALL_HEADERS)
  install(DIRECTORY .
    DESTINATION include/c++/v1
    COMPONENT libcxx
    FILES_MATCHING
    ${LIBCXX_HEADER_PATTERN}
    PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
  )
endif()