Added Doxyfile, Update Makefile

Doxyfile

@@ -0,0 +1,29 @@
+# See LICENSE file for license and copyright information
+
+# General information
+PROJECT_NAME          = zathura
+OUTPUT_DIRECTORY      = ./doc/
+OUTPUT_LANGUAGE       = English
+TAB_SIZE              = 2
+EXTRACT_ALL           = YES
+OPTIMIZE_OUTPUT_FOR_C = YES
+DOXYFILE_ENCODING     = UTF-8
+TYPEDEF_HIDES_STRUCT  = YES
+
+# Warning and progress messages
+QUIET                = YES
+WARNINGS             = YES
+WARN_IF_UNDOCUMENTED = YES
+
+# Input files
+INPUT         =
+FILE_PATTERNS = *.h *.c
+RECURSIVE     = YES
+
+# Output files
+GENERATE_HTML  = YES
+GENERATE_LATEX = NO
+GENERATE_RTF   = NO
+GENERATE_XML   = NO
+
+SOURCE_BROWSER = YES

Makefile

@@ -5,6 +5,7 @@ include common.mk
 
 PROJECT  = zathura
 SOURCE   = $(shell find . -iname "*.c" -a ! -iname "database-*" ! -path "*tests*")
+HEADER   = $(shell find . -iname "*.h")
 OBJECTS  = $(patsubst %.c, %.o,  $(SOURCE))
 DOBJECTS = $(patsubst %.c, %.do, $(SOURCE))
 
@@ -75,13 +76,16 @@ tests: ${OBJECTS}
 
 dist: clean
 	$(QUIET)mkdir -p ${PROJECT}-${VERSION}
-	$(QUIET)cp -R LICENSE Makefile config.mk README \
-			${PROJECT}.1 ${SOURCE} ${PROJECT}.pc.in \
+	$(QUIET)cp -R LICENSE Makefile config.mk README Doxyfile \
+			${PROJECT}.1 ${SOURCE} ${HEADER} ${PROJECT}.pc.in \
 			${PROJECT}-${VERSION}
 	$(QUIET)tar -cf ${PROJECT}-${VERSION}.tar ${PROJECT}-${VERSION}
 	$(QUIET)gzip ${PROJECT}-${VERSION}.tar
 	$(QUIET)rm -rf ${PROJECT}-${VERSION}
 
+doc: clean
+	$(QUIET)doxygen Doxyfile
+
 install: all ${PROJECT}.pc
 	$(ECHO) installing executable file
 	$(QUIET)mkdir -p ${DESTDIR}${PREFIX}/bin
@@ -120,4 +124,4 @@ uninstall:
 
 -include $(wildcard .depend/*.dep)
 
-.PHONY: all options clean debug valgrind gdb dist install uninstall tests
+.PHONY: all options clean debug valgrind gdb dist doc install uninstall tests