Update Makefile and added Doxyfile

Doxyfile

+# See LICENSE file for license and copyright information
+
+# General information
+PROJECT_NAME          = zathura-djvu
+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

 # See LICENSE file for license and copyright information
 
 include config.mk
+include common.mk
 
+PROJECT  = zathura-djvu
 PLUGIN   = djvu
-SOURCE   = djvu.c
+SOURCE   = $(shell find . -iname "*.c")
+HEADER   = $(shell find . -iname "*.h")
 OBJECTS  = ${SOURCE:.c=.o}
 DOBJECTS = ${SOURCE:.c=.do}
 
@@ -14,48 +17,60 @@ endif
 all: options ${PLUGIN}
 
 options:
-	@echo ${PLUGIN} build options:
-	@echo "CFLAGS  = ${CFLAGS}"
-	@echo "LDFLAGS = ${LDFLAGS}"
-	@echo "DFLAGS  = ${DFLAGS}"
-	@echo "CC      = ${CC}"
+	$(ECHO) ${PLUGIN} build options:
+	$(ECHO) "CFLAGS  = ${CFLAGS}"
+	$(ECHO) "LDFLAGS = ${LDFLAGS}"
+	$(ECHO) "DFLAGS  = ${DFLAGS}"
+	$(ECHO) "CC      = ${CC}"
 
 %.o: %.c
-	@echo CC $<
+	$(ECHO) CC $<
 	@mkdir -p .depend
-	@${CC} -c ${CPPFLAGS} ${CFLAGS} -o $@ $< -MMD -MF .depend/$@.dep
+	$(QUIET)${CC} -c ${CPPFLAGS} ${CFLAGS} -o $@ $< -MMD -MF .depend/$@.dep
 
 %.do: %.c
-	@echo CC $<
+	$(ECHO) CC $<
 	@mkdir -p .depend
-	@${CC} -c ${CPPFLAGS} ${CFLAGS} ${DFLAGS} -o $@ $< -MMD -MF .depend/$@.dep
+	$(QUIET)${CC} -c ${CPPFLAGS} ${CFLAGS} ${DFLAGS} -o $@ $< -MMD -MF .depend/$@.dep
 
 ${OBJECTS}:  config.mk
 ${DOBJECTS}: config.mk
 
 ${PLUGIN}: ${OBJECTS}
-	@echo LD $@
-	${CC} -shared ${LDFLAGS} -o ${PLUGIN}.so $(OBJECTS) ${LIBS}
+	$(ECHO) LD $@
+	$(QUIET)${CC} -shared ${LDFLAGS} -o ${PLUGIN}.so $(OBJECTS) ${LIBS}
 
 ${PLUGIN}-debug: ${DOBJECTS}
-	@echo LD $@
-	@${CC} -shared ${LDFLAGS} -o ${PLUGIN}.so $(DOBJECTS) ${LIBS}
+	$(ECHO) LD $@
+	$(QUIET)${CC} -shared ${LDFLAGS} -o ${PLUGIN}.so $(DOBJECTS) ${LIBS}
 
 clean:
-	@rm -rf ${OBJECTS} ${DOBJECTS} $(PLUGIN).so .depend
+	$(QUIET)rm -rf ${OBJECTS} ${DOBJECTS} $(PLUGIN).so doc .depend \
+		${PROJECT}-${VERSION}.tar.gz
 
 debug: options ${PLUGIN}-debug
 
+dist: clean
+	$(QUIET)mkdir -p ${PROJECT}-${VERSION}
+	$(QUIET)cp -R LICENSE Makefile config.mk common.mk Doxyfile \
+		${HEADER} ${SOURCE} ${PROJECT}-${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
-	@echo installing ${PLUGIN} plugin
-	@mkdir -p ${DESTDIR}${PREFIX}/lib/zathura
-	@cp -f ${PLUGIN}.so ${DESTDIR}${PREFIX}/lib/zathura
+	$(ECHO) installing ${PLUGIN} plugin
+	$(QUIET)mkdir -p ${DESTDIR}${PREFIX}/lib/zathura
+	$(QUIET)cp -f ${PLUGIN}.so ${DESTDIR}${PREFIX}/lib/zathura
 
 uninstall:
-	@echo uninstalling ${PLUGIN} plugin
-	@rm -f ${DESTDIR}${PREFIX}/lib/zathura/${PLUGIN}.so
-	@rmdir ${DESTDIR}${PREFIX}/lib/zathura 2> /dev/null || /bin/true
+	$(ECHO) uninstalling ${PLUGIN} plugin
+	$(QUIET)rm -f ${DESTDIR}${PREFIX}/lib/zathura/${PLUGIN}.so
+	$(QUIET)rmdir ${DESTDIR}${PREFIX}/lib/zathura 2> /dev/null || /bin/true
 
 -include $(wildcard .depend/*.dep)
 
-.PHONY: all options clean debug install uninstall
+.PHONY: all options clean debug doc dist install uninstall

common.mk

+# See LICENSE file for license and copyright information
+
+ifeq "$(VERBOSE)" "0"
+ECHO=@echo
+QUIET=@
+else
+ECHO=@\#
+QUIET=
+endif

config.mk

 # See LICENSE file for license and copyright information
 
+VERSION = 0.0.1
+
 # paths
 PREFIX ?= /usr
 
@@ -28,3 +30,6 @@ WITH_CAIRO ?= 1
 # compiler
 CC ?= gcc
 LD ?= ld
+
+# set to something != 0 if you want verbose build output
+VERBOSE ?= 0