[Merge][CMake] Merged revisions : 6620

Revision  r6620
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Create a rudimentary Doxyfile using cmake.

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[[Imported from SVN: r7162]]

cmake/scripts/CreateDoxyFile.cmake

+#For now we just support appending Doxyfile and Doxylocal
+message("Generating Doxyfile.in")
+FILE(READ ${DOXYSTYLE} file_contents)
+FILE(WRITE Doxyfile.in ${file_contents})
+FILE(READ ${DOXYLOCAL} file_contents)
+FILE(APPEND Doxyfile.in ${file_contents})
+message("Generating Doxyfile")
+FILE(READ Doxyfile.in file_contents)
+STRING(CONFIGURE ${file_contents} output})
+FILE(WRITE Doxyfile ${output})

doc/doxygen/CMakeLists.txt

+# quickhack for creating the Doxyfile.in and Doxyfile
+add_custom_command (OUTPUT Doxyfile.in Doxyfile
+  COMMAND ${CMAKE_COMMAND} -D DOXYSTYLE=${CMAKE_CURRENT_SOURCE_DIR}/Doxystyle  -D DOXYLOCAL=${CMAKE_CURRENT_SOURCE_DIR}/Doxylocal -D  abs_top_src_dir=${CMAKE_SOURCE_DIR} -D src_dir=${CMAKE_CURRENT_SOURCE_DIR} -P ${CMAKE_SOURCE_DIR}/cmake/scripts/CreateDoxyFile.cmake COMMENT "Creating Doxyfile.in")
+add_custom_target(Doxyfile DEPENDS Doxyfile.in)
+add_dependencies(doc Doxyfile)
 install(FILES Doxystyle DESTINATION share/dune-common/doc/doxygen)