docs: use cmake to configure doxyfile

Author: xlz

CMakeLists.txt

@@ -257,10 +257,10 @@ INSTALL(FILES "${PROJECT_BINARY_DIR}/freenect2.pc" DESTINATION lib/pkgconfig/)
 
 find_package(Doxygen)
 IF(DOXYGEN_FOUND)
+  CONFIGURE_FILE(Doxyfile.in "${PROJECT_BINARY_DIR}/Doxyfile" @ONLY)
   add_custom_target(
     doc
-    COMMAND "DOXYGEN_OUTPUT_DIR=${PROJECT_BINARY_DIR}/doc" ${DOXYGEN_EXECUTABLE} Doxyfile
-    WORKING_DIRECTORY "${MY_DIR}"
+    COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile
   )
 ENDIF()
 

Doxyfile Doxyfile.inDoxyfile renamed to Doxyfile.in

@@ -32,7 +32,7 @@ DOXYFILE_ENCODING      = UTF-8
 # title of most generated pages and in a few other places.
 # The default value is: My Project.
 
-PROJECT_NAME           = "libfreenect2"
+PROJECT_NAME           = @PROJECT_NAME@
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
 # could be handy for archiving the generated documentation or if some version
@@ -58,7 +58,7 @@ PROJECT_LOGO           =
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = "$(DOXYGEN_OUTPUT_DIR)"
+OUTPUT_DIRECTORY       = @PROJECT_BINARY_DIR@/doc
 
 # If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and
@@ -743,8 +743,7 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include \
-                         examples
+INPUT                  = @CMAKE_SOURCE_DIR@/include
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -1906,7 +1905,7 @@ SEARCH_INCLUDES        = YES
 # preprocessor.
 # This tag requires that the tag SEARCH_INCLUDES is set to YES.
 
-INCLUDE_PATH           =
+INCLUDE_PATH           = @PROJECT_BINARY_DIR@
 
 # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
 # patterns (like *.h and *.hpp) to filter out the header-files in the