Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

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  1. # CMake script that writes version control information to a header.
  2. #
  3. # Input variables:
  4. #   NAMES             - A list of names for each of the source directories.
  5. #   <NAME>_SOURCE_DIR - A path to source directory for each name in NAMES.
  6. #   HEADER_FILE       - The header file to write
  7. #
  8. # The output header will contain macros <NAME>_REPOSITORY and <NAME>_REVISION,
  9. # where "<NAME>" is substituted with the names specified in the input variables,
  10. # for each of the <NAME>_SOURCE_DIR given.
  11.  
  12. get_filename_component(LLVM_CMAKE_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH)
  13.  
  14. list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
  15.  
  16. include(VersionFromVCS)
  17.  
  18. # Handle strange terminals
  19. set(ENV{TERM} "dumb")
  20.  
  21. function(append_info name path)
  22.   if(path)
  23.     get_source_info("${path}" revision repository)
  24.   endif()
  25.   if(revision)
  26.     file(APPEND "${HEADER_FILE}.tmp"
  27.       "#define ${name}_REVISION \"${revision}\"\n")
  28.   else()
  29.     file(APPEND "${HEADER_FILE}.tmp"
  30.       "#undef ${name}_REVISION\n")
  31.   endif()
  32.   if(repository)
  33.     file(APPEND "${HEADER_FILE}.tmp"
  34.       "#define ${name}_REPOSITORY \"${repository}\"\n")
  35.   else()
  36.     file(APPEND "${HEADER_FILE}.tmp"
  37.       "#undef ${name}_REPOSITORY\n")
  38.   endif()
  39. endfunction()
  40.  
  41. foreach(name IN LISTS NAMES)
  42.   if(NOT DEFINED ${name}_SOURCE_DIR)
  43.     message(FATAL_ERROR "${name}_SOURCE_DIR is not defined")
  44.   endif()
  45.   append_info(${name} "${${name}_SOURCE_DIR}")
  46. endforeach()
  47.  
  48. # Copy the file only if it has changed.
  49. execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
  50.   "${HEADER_FILE}.tmp" "${HEADER_FILE}")
  51. file(REMOVE "${HEADER_FILE}.tmp")
  52.