pass CMake variables to Doxygen

documentation/CMakeLists.txt

@@ -18,9 +18,7 @@ CPMAddPackage(
   DOWNLOAD_ONLY YES
 )
 
-# ---- Doxygen ----
-
-find_package(Doxygen)
+# ---- Doxygen + m.css ----
 
 # set Doxyfile variables
 set(DOXYGEN_PROJECT_NAME Greeter)
@@ -28,11 +26,15 @@ set(DOXYGEN_PROJECT_VERSION ${Greeter_VERSION})
 set(DOXYGEN_PROJECT_ROOT "${CMAKE_CURRENT_LIST_DIR}/..")
 set(DOXYGEN_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/doxygen")
 
-if (DOXYGEN_FOUND)
-  add_custom_target(
-    GenerateDocs
-    ${CMAKE_COMMAND} -E make_directory "${DOXYGEN_OUTPUT_DIRECTORY}"
-    COMMAND "${MCSS_SOURCE_DIR}/documentation/doxygen.py" "${CMAKE_CURRENT_LIST_DIR}/Doxyfile-mcss"
-    COMMAND echo "Docs written to: ${DOXYGEN_OUTPUT_DIRECTORY}"
-  )
-endif(DOXYGEN_FOUND)
+configure_file(
+  ${CMAKE_CURRENT_LIST_DIR}/Doxyfile
+  ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
+)
+
+add_custom_target(
+  GenerateDocs
+  ${CMAKE_COMMAND} -E make_directory "${DOXYGEN_OUTPUT_DIRECTORY}"
+  COMMAND "${MCSS_SOURCE_DIR}/documentation/doxygen.py" "${CMAKE_CURRENT_BINARY_DIR}/Doxyfile"
+  COMMAND echo "Docs written to: ${DOXYGEN_OUTPUT_DIRECTORY}"
+  WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
+)

documentation/Doxyfile

@@ -3,10 +3,11 @@
 # To create a new Doxyfile containing all available options, call `doxygen -g`
 
 # Get Project name and version from CMake
-PROJECT_NAME = Greeter
+PROJECT_NAME = @DOXYGEN_PROJECT_NAME@
+PROJECT_NUMBER = @DOXYGEN_PROJECT_VERSION@
 
 # Add sources
-INPUT = ../README.md ../include ../source
+INPUT = @DOXYGEN_PROJECT_ROOT@/README.md @DOXYGEN_PROJECT_ROOT@/include @DOXYGEN_PROJECT_ROOT@/source
 EXTRACT_ALL = YES
 RECURSIVE = YES
 
@@ -14,7 +15,7 @@ RECURSIVE = YES
 FULL_PATH_NAMES = NO
 
 # Use the README as a main page
-USE_MDFILE_AS_MAINPAGE = ../README.md
+USE_MDFILE_AS_MAINPAGE = @DOXYGEN_PROJECT_ROOT@/README.md
 
 # Create nicer looking HTML
 HTML_DYNAMIC_SECTIONS = YES
@@ -22,3 +23,9 @@ GENERATE_TREEVIEW = YES
 
 # We don't need LaTeX generation
 GENERATE_LATEX = NO
+
+# Setup m.css
+GENERATE_HTML           = NO
+GENERATE_XML            = YES
+XML_PROGRAMLISTING      = NO
+OUTPUT_DIRECTORY        = @DOXYGEN_OUTPUT_DIRECTORY@

documentation/Doxyfile-mcss

@@ -1,5 +0,0 @@
-@INCLUDE                = Doxyfile
-GENERATE_HTML           = NO
-GENERATE_XML            = YES
-XML_PROGRAMLISTING      = NO
-OUTPUT_DIRECTORY        = ../build/doc/doxygen