Generate doxygen file using autoconf.

Makefile.am

@@ -110,6 +110,7 @@ EXTRA_DIST=\
     ${top_srcdir}/config/config.def.c\
     INSTALL.md\
 	AUTHORS\
+	doc/rofi.doxy.in\
 	Changelog
 
 ##
@@ -227,5 +228,6 @@ cppcheck: ${rofi_SOURCES}
 ohcount: ${rofi_SOURCES}
 	ohcount -i ${top_srcdir}/source/
 
-doxy: ${rofi_SOURCES}
-	doxygen ${top_srcdir}/doc/rofi.doxy
+doxy: doc/rofi.doxy ${rofi_SOURCES}
+	doxygen ${top_builddir}/doc/rofi.doxy
+

configure.ac

@@ -84,7 +84,7 @@ dnl Add extra compiler flags
 dnl ---------------------------------------------------------------------
 AC_SUBST([EXTRA_CFLAGS], ["-Wall -Wextra -Wparentheses -Winline -pedantic"])
 
-AC_CONFIG_FILES([Makefile ])
+AC_CONFIG_FILES([Makefile doc/rofi.doxy])
 AC_OUTPUT
 
 dnl -----------------------------------------------

doc/rofi.doxy.in

@@ -25,13 +25,13 @@ DOXYFILE_ENCODING      = UTF-8
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = "rofi"
+PROJECT_NAME           = "@PACKAGE@"
 
 # 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 control system is used.
 
-PROJECT_NUMBER         = "1.0.0-dev"
+PROJECT_NUMBER         = "@VERSION@"
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put.