Use standard CMake variables for Doxygen paths

m

doc/CMakeLists.txt

@@ -14,10 +14,6 @@ endif()
 
 find_package(Doxygen REQUIRED)
 
-# set the input and output documentation paths
-set(DOXYGEN_INPUT_DIR ${PROJECT_SOURCE_DIR})
-set(DOXYGEN_OUTPUT_DIR ${PROJECT_BINARY_DIR}/doc)
-
 # see if we can generate the CHM documentation
 set(DOXYGEN_HHC_PROGRAM)
 set(DOXYGEN_GENERATE_HTMLHELP NO)
@@ -37,30 +33,29 @@ if(SFML_OS_WINDOWS)
 endif()
 
 # configure the source Doxyfile by copying it and replacing all @variables@
-set(DOXYGEN_CONFIGURED_INPUT ${DOXYGEN_OUTPUT_DIR}/doxyfile)
-configure_file(${DOXYGEN_INPUT_DIR}/doc/doxyfile.in ${DOXYGEN_CONFIGURED_INPUT} @ONLY)
-configure_file(${DOXYGEN_INPUT_DIR}/doc/header.html.in ${DOXYGEN_OUTPUT_DIR}/header.html @ONLY)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxyfile.in doxyfile @ONLY)
+configure_file(${PROJECT_SOURCE_DIR}/doc/header.html.in header.html @ONLY)
 
 # copy the files needed by the documentation
-configure_file(${DOXYGEN_INPUT_DIR}/doc/doxygen.css ${DOXYGEN_OUTPUT_DIR}/html/doxygen.css COPYONLY)
-configure_file(${DOXYGEN_INPUT_DIR}/doc/searchOverrides.css ${DOXYGEN_OUTPUT_DIR}/html/searchOverrides.css COPYONLY)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxygen.css html/doxygen.css COPYONLY)
+configure_file(${PROJECT_SOURCE_DIR}/doc/searchOverrides.css html/searchOverrides.css COPYONLY)
 
 # target setup
 add_custom_target(doc
                   COMMAND ${CMAKE_COMMAND} -E echo_append "Building API Documentation..."
-                  COMMAND Doxygen::doxygen ${DOXYGEN_CONFIGURED_INPUT}
+                  COMMAND Doxygen::doxygen ${CMAKE_CURRENT_BINARY_DIR}/doxyfile
                   COMMAND ${CMAKE_COMMAND} -E echo "Done."
-                  WORKING_DIRECTORY ${DOXYGEN_INPUT_DIR})
+                  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
 
 # setup install rules
-install(FILES ${DOXYGEN_OUTPUT_DIR}/SFML.tag
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/SFML.tag
         DESTINATION ${CMAKE_INSTALL_DOCDIR}
         COMPONENT doc)
-install(DIRECTORY ${DOXYGEN_OUTPUT_DIR}/html
+install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
         DESTINATION ${CMAKE_INSTALL_DOCDIR}
         COMPONENT doc)
 if(DOXYGEN_HHC_PROGRAM)
-    install(FILES ${DOXYGEN_OUTPUT_DIR}/sfml.chm
+    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/sfml.chm
             DESTINATION ${CMAKE_INSTALL_DOCDIR}
             COMPONENT doc)
 endif()

doc/doxyfile.in

@@ -74,7 +74,7 @@ PROJECT_ICON           =
 # 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       = "@CMAKE_CURRENT_BINARY_DIR@"
 
 # If the CREATE_SUBDIRS tag is set to YES then doxygen will create up to 4096
 # sub-directories (in 2 levels) under the output directory of each output format
@@ -199,7 +199,7 @@ STRIP_FROM_PATH        =
 # specify the list of include paths that are normally passed to the compiler
 # using the -I flag.
 
-STRIP_FROM_INC_PATH    = "@DOXYGEN_INPUT_DIR@/include"
+STRIP_FROM_INC_PATH    = "@PROJECT_SOURCE_DIR@/include"
 
 # If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but
 # less readable) file names. This can be useful is your file systems doesn't
@@ -966,8 +966,8 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = "@DOXYGEN_INPUT_DIR@/include/SFML" \
-                         "@DOXYGEN_INPUT_DIR@/doc/mainpage.hpp"
+INPUT                  = "@PROJECT_SOURCE_DIR@/include/SFML" \
+                         "@PROJECT_SOURCE_DIR@/doc/mainpage.hpp"
 
 # 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
@@ -1340,7 +1340,7 @@ HTML_FILE_EXTENSION    = .html
 # of the possible markers and block names see the documentation.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_HEADER            = "@DOXYGEN_OUTPUT_DIR@/header.html"
+HTML_HEADER            = "@CMAKE_CURRENT_BINARY_DIR@/header.html"
 
 # The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
 # generated HTML page. If the tag is left blank doxygen will generate a standard
@@ -1350,7 +1350,7 @@ HTML_HEADER            = "@DOXYGEN_OUTPUT_DIR@/header.html"
 # that doxygen normally uses.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_FOOTER            = "@DOXYGEN_INPUT_DIR@/doc/footer.html"
+HTML_FOOTER            = "@PROJECT_SOURCE_DIR@/doc/footer.html"
 
 # The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
 # sheet that is used by each HTML page. It can be used to fine-tune the look of
@@ -1362,7 +1362,7 @@ HTML_FOOTER            = "@DOXYGEN_INPUT_DIR@/doc/footer.html"
 # obsolete.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_STYLESHEET        = "@DOXYGEN_INPUT_DIR@/doc/doxygen.css"
+HTML_STYLESHEET        = "@PROJECT_SOURCE_DIR@/doc/doxygen.css"
 
 # The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined
 # cascading style sheets that are included after the standard style sheets
@@ -2482,7 +2482,7 @@ TAGFILES               =
 # tag file that is based on the input files it reads. See section "Linking to
 # external documentation" for more information about the usage of tag files.
 
-GENERATE_TAGFILE       = "@DOXYGEN_OUTPUT_DIR@/SFML.tag"
+GENERATE_TAGFILE       = "@CMAKE_CURRENT_BINARY_DIR@/SFML.tag"
 
 # If the ALLEXTERNALS tag is set to YES, all external classes and namespaces
 # will be listed in the class and namespace index. If set to NO, only the