SUBDIRS(Doxygen)

SET(CMD_DIR ${EXECUTABLE_OUTPUT_PATH}/${CMAKE_CFG_INTDIR})
IF(WIN32)
  SET(CMD_EXT ".exe")
ELSE(WIN32)
  SET(CMD_EXT "")
ENDIF(WIN32)

MAKE_DIRECTORY(${CMake_BINARY_DIR}/Docs)

# Add a documentation target.
ADD_CUSTOM_TARGET(documentation ALL)
SET(DOC_FILES "")

# Generate documentation for "cmake" executable.
SET(CMD ${CMD_DIR}/cmake${CMD_EXT})
ADD_CUSTOM_COMMAND(
  TARGET documentation
  COMMAND ${CMD}
  ARGS --copyright ${CMake_BINARY_DIR}/Docs/Copyright.txt
       --help-full ${CMake_BINARY_DIR}/Docs/cmake.txt
       --help-html ${CMake_BINARY_DIR}/Docs/cmake.html
       --help-man ${CMake_BINARY_DIR}/Docs/cmake.1
  DEPENDS ${CMD}
  SOURCE ${CMake_SOURCE_DIR}/Utilities/Doxygen/authors.txt
  OUTPUTS ${CMake_BINARY_DIR}/Docs/cmake.txt
  )
ADD_DEPENDENCIES(documentation cmake)
INSTALL_FILES(${CMAKE_MAN_DIR}/man1 FILES ${CMake_BINARY_DIR}/Docs/cmake.1)
INSTALL_FILES(${CMAKE_DOC_DIR} FILES
  ${CMake_BINARY_DIR}/Docs/Copyright.txt
  ${CMake_BINARY_DIR}/Docs/cmake.txt
  ${CMake_BINARY_DIR}/Docs/cmake.html
)
SET(DOC_FILES ${DOC_FILES} ${CMake_BINARY_DIR}/Docs/cmake.txt)

# Generate documentation for "ccmake" executable.
IF(UNIX)
  SET(CMD ${CMD_DIR}/ccmake${CMD_EXT})
  ADD_CUSTOM_COMMAND(
    TARGET documentation
    COMMAND ${CMD}
    ARGS --help-full ${CMake_BINARY_DIR}/Docs/ccmake.txt
         --help-html ${CMake_BINARY_DIR}/Docs/ccmake.html
         --help-man ${CMake_BINARY_DIR}/Docs/ccmake.1
    DEPENDS ${CMD}
    SOURCE ${CMake_SOURCE_DIR}/Utilities/Doxygen/authors.txt
    OUTPUTS ${CMake_BINARY_DIR}/Docs/ccmake.txt
    )
  ADD_DEPENDENCIES(documentation ccmake)  
  INSTALL_FILES(${CMAKE_MAN_DIR}/man1 FILES ${CMake_BINARY_DIR}/Docs/ccmake.1)
  INSTALL_FILES(${CMAKE_DOC_DIR} FILES
    ${CMake_BINARY_DIR}/Docs/ccmake.txt
    ${CMake_BINARY_DIR}/Docs/ccmake.html
    )
  SET(DOC_FILES ${DOC_FILES} ${CMake_BINARY_DIR}/Docs/ccmake.txt)
ENDIF(UNIX)

# Drive documentation generation.
ADD_CUSTOM_COMMAND(
  TARGET documentation
  SOURCE documentation
  DEPENDS ${DOC_FILES}
  )