[trunk] FolderReorgProposal task. Do not rebuild doxygen always

Update issue 177

NEWS

@@ -2,33 +2,20 @@
 OpenJPEG NEWS - user visible changes
 ====================================
 
-Changes from OpenJPEG 1.4.0 to OpenJPEG 1.5.0
+Changes from OpenJPEG 1.5.x to OpenJPEG 2.0.0
 ----------------------------------------------
 
 New Features:
 
-    * openjpip: 
-     - complete client-server architecture for remote browsing of jpeg 2000 images. 
-     - located in 'applications/jpip'.
-     - see corresponding README for more details.
+    * streaming capabilities
+    * merge JP3D
 
 API modifications:
 
-    * 'bool' type has been replaced by 'opj_bool' type. 'stdbool.h' is no more required.
+    * Use a 64bits capable API
     
 Misc:
 
-    * added this NEWS file.
-    * improved cmake and autotools build methods.
-    * removed manual makefiles, VS project files and XCode project files.
-    * added a 'thirdparty' directory to contain all dependencies.
-     - These libraries will be build only if there are not found on the system.
-     - Note that libopenjpeg itself does not have any dependency.
-    * changed the directory hierarchy of the whole project. See README files for details.
-    * tests : a complete test suite has been setup.
-     - both JPEG 2000 conformance tests and non-regressions tests are configured.
-     - results are submitted to the OpenJPEG dashboard (http://my.cdash.org/index.php?project=OPENJPEG)
-     - images are located in 'http://openjpeg.googlecode.com/svn/data' folder.
-     - configuration files and utilities are located in 'tests' folder.
-    * OPJViewer re-activated (need wxWidgets)
+    * removed autotools build system
+    * folders hierarchies reorganisation
     * Huge amount of bug fixes. See CHANGES for details.

doc/CMakeLists.txt

@@ -16,17 +16,30 @@ if(DOXYGEN_FOUND)
     ${CMAKE_BINARY_DIR}/doc/mainpage.dox @ONLY)
   configure_file(${CMAKE_CURRENT_SOURCE_DIR}/openjpip.dox.in
     ${CMAKE_BINARY_DIR}/doc/openjpip.dox @ONLY)
+  # copy png file to make local (binary tree) documentation valid:
   configure_file(${CMAKE_CURRENT_SOURCE_DIR}/jpip_architect.png
     ${CMAKE_BINARY_DIR}/doc/html/jpip_architect.png COPYONLY)
   configure_file(${CMAKE_CURRENT_SOURCE_DIR}/jpip_protocol.png
     ${CMAKE_BINARY_DIR}/doc/html/jpip_protocol.png COPYONLY)
 
   # Generate new target to build the html documentation
+  add_custom_command(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/html/index.html
+    COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/doc/Doxyfile-html.dox
+    DEPENDS ${CMAKE_BINARY_DIR}/doc/Doxyfile-html.dox
+            ${CMAKE_BINARY_DIR}/doc/mainpage.dox
+            ${CMAKE_BINARY_DIR}/doc/openjpip.dox
+  )
   add_custom_target(doc ALL
-    ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/doc/Doxyfile-html.dox)
+    DEPENDS ${CMAKE_BINARY_DIR}/doc/html/index.html
+    COMMENT "Building doxygen documentation"
+  )
 
+  # install HTML documentation (install png files too):
+  install(DIRECTORY ${CMAKE_BINARY_DIR}/doc/html
+    DESTINATION share/doc
+    PATTERN ".svn" EXCLUDE
+  )
 else()
-
   message(STATUS "Doxygen not found, we cannot generate the documentation")
-
 endif()