Home | History | Annotate | Download | only in modules 
      1 # CMake project that writes Subversion revision information to a header.
      2 #
      3 # Input variables:
      4 #   SRC               - Source directory
      5 #   HEADER_FILE       - The header file to write
      6 #
      7 # The output header will contain macros FIRST_REPOSITORY and FIRST_REVISION,
      8 # and SECOND_REPOSITORY and SECOND_REVISION if requested, where "FIRST" and
      9 # "SECOND" are substituted with the names specified in the input variables.
     10 
     11 
     12 
     13 # Chop off cmake/modules/GetSVN.cmake
     14 get_filename_component(LLVM_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH)
     15 get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
     16 get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
     17 
     18 set(CMAKE_MODULE_PATH
     19   ${CMAKE_MODULE_PATH}
     20   "${LLVM_DIR}/cmake/modules")
     21 include(VersionFromVCS)
     22 
     23 # Handle strange terminals
     24 set(ENV{TERM} "dumb")
     25 
     26 function(append_info name path)
     27   add_version_info_from_vcs(REVISION ${path})
     28   string(STRIP "${REVISION}" REVISION)
     29   file(APPEND "${HEADER_FILE}.txt"
     30     "#define ${name} \"${REVISION}\"\n")
     31 endfunction()
     32 
     33 append_info(${NAME} "${SOURCE_DIR}")
     34 
     35 # Copy the file only if it has changed.
     36 execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
     37   "${HEADER_FILE}.txt" "${HEADER_FILE}")
     38 file(REMOVE "${HEADER_FILE}.txt")
     39 
     40