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/indra/cmake/CMakeCopyIfDifferent.cmake

https://bitbucket.org/lindenlab/viewer-beta/
CMake | 41 lines | 24 code | 1 blank | 16 comment | 0 complexity | ac5ed037a63356ff0e24cb021a983799 MD5 | raw file
Possible License(s): LGPL-2.1 
    

  1. # -*- cmake -*-
    2. 

  2. # Taken from http://www.cmake.org/Wiki/CMakeCopyIfDifferent
    3. 

  3. # Generates a rule to copy each source file from source directory to destination directory.
    4. 

  4. #
    5. 

  5. # Typical use -
    6. 

  6. #
    7. 

  7. # SET(SRC_FILES head1.h head2.h head3.h)
    8. 

  8. # COPY_IF_DIFFERENT( /from_dir /to_dir IncludeTargets ${SRC_FILES})
    9. 

  9. # ADD_TARGET(CopyIncludes ALL DEPENDS ${IncludeTargets})
    10. 

  10. 

  11. MACRO(COPY_IF_DIFFERENT FROM_DIR TO_DIR TARGETS)
    12. 

  12. # Macro to implement copy_if_different for a list of files
    13. 

  13. # Arguments - 
    14. 

  14. #   FROM_DIR - this is the source directory
    15. 

  15. #   TO_DIR   - this is the destination directory
    16. 

  16. #   TARGETS  - A variable to receive a list of targets
    17. 

  17. #   FILES    - names of the files to copy 
    18. 

  18. #              TODO: add globing. 
    19. 

  19. SET(AddTargets "")
    20. 

  20. FOREACH(SRC ${ARGN})
    21. 

  21.     GET_FILENAME_COMPONENT(SRCFILE ${SRC} NAME) 
    22. 

  22.     IF("${FROM_DIR}" STREQUAL "")
    23. 

  23.         SET(FROM ${SRC})
    24. 

  24.     ELSE("${FROM_DIR}" STREQUAL "")
    25. 

  25.         SET(FROM ${FROM_DIR}/${SRC})
    26. 

  26.     ENDIF("${FROM_DIR}" STREQUAL "")        
    27. 

  27.     IF("${TO_DIR}" STREQUAL "")
    28. 

  28.         SET(TO ${SRCFILE})
    29. 

  29.     ELSE("${TO_DIR}" STREQUAL "")
    30. 

  30.         SET(TO   ${TO_DIR}/${SRCFILE})
    31. 

  31.     ENDIF("${TO_DIR}" STREQUAL "")
    32. 

  32.     ADD_CUSTOM_COMMAND(
    33. 

  33.         OUTPUT  "${TO}"
    34. 

  34.         COMMAND ${CMAKE_COMMAND} -E copy_if_different ${FROM} ${TO}
    35. 

  35.         DEPENDS ${FROM}
    36. 

  36.         COMMENT "Copying ${SRCFILE} ${TO_DIR}"
    37. 

  37.         )
    38. 

  38.     SET(AddTargets ${AddTargets} ${TO})
    39. 

  39. ENDFOREACH(SRC ${ARGN})
    40. 

  40. SET(${TARGETS} ${AddTargets})
    41. 

  41. ENDMACRO(COPY_IF_DIFFERENT FROM_DIR TO_DIR TARGETS)
    42. 

  42.