diff --git a/buildsys.mk.in b/buildsys.mk.in
index ac196ad..a7711f3 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -64,6 +64,10 @@ MKDIR_P = mkdir -p
 INSTALL = @INSTALL@
 SHELL = @SHELL@
 MSGFMT = @MSGFMT@
+JAVAC = @JAVAC@
+JAVACFLAGS = @JAVACFLAGS@
+JAR = @JAR@
+WINDRES = @WINDRES@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 bindir = @bindir@
@@ -83,11 +87,13 @@ OBJS2 = ${OBJS1:.cc=.o}
 OBJS3 = ${OBJS2:.cxx=.o}
 OBJS4 = ${OBJS3:.d=.o}
 OBJS5 = ${OBJS4:.erl=.beam}
-OBJS6 = ${OBJS5:.m=.o}
-OBJS7 = ${OBJS6:.mm=.o}
-OBJS8 = ${OBJS7:.py=.pyc}
-OBJS9 = ${OBJS8:.xpm=.o}
-OBJS += ${OBJS9:.S=.o}
+OBJS6 = ${OBJS5:.java=.class}
+OBJS7 = ${OBJS6:.m=.o}
+OBJS8 = ${OBJS7:.mm=.o}
+OBJS9 = ${OBJS8:.py=.pyc}
+OBJS10 = ${OBJS9:.rc=.o}
+OBJS11 = ${OBJS10:.S=.o}
+OBJS += ${OBJS11:.xpm=.o}
 
 LIB_OBJS = ${OBJS:.o=.lib.o}
 PLUGIN_OBJS = ${OBJS:.o=.plugin.o}
@@ -96,13 +102,13 @@ MO_FILES = ${LOCALES:.po=.mo}
 
 .SILENT:
 .SUFFIXES:
-.SUFFIXES: .beam .c .c.dep .cc .cc.dep .cxx .cxx.dep .d .erl .lib.o .mo .m .m.dep .mm .mm.dep .o .plugin.o .po .py .pyc .xpm .S .S.dep
+.SUFFIXES: .beam .c .c.dep .cc .cc.dep .class .cxx .cxx.dep .d .erl .lib.o .java .mo .m .m.dep .mm .mm.dep .o .plugin.o .po .py .pyc .rc .S .S.dep .xpm
 .PHONY: all subdirs pre-depend depend install install-extra uninstall uninstall-extra clean distclean locales
 
 all:
 	${MAKE} ${MFLAGS} subdirs
 	${MAKE} ${MFLAGS} depend
-	${MAKE} ${STATIC_LIB} ${STATIC_LIB_NOINST} ${STATIC_PIC_LIB} ${STATIC_PIC_LIB_NOINST} ${LIB} ${LIB_NOINST} ${PLUGIN} ${PLUGIN_NOINST} ${PROG} ${PROG_NOINST} locales
+	${MAKE} ${STATIC_LIB} ${STATIC_LIB_NOINST} ${STATIC_PIC_LIB} ${STATIC_PIC_LIB_NOINST} ${LIB} ${LIB_NOINST} ${PLUGIN} ${PLUGIN_NOINST} ${PROG} ${PROG_NOINST} ${JARFILE} locales
 
 subdirs:
 	for i in ${SUBDIRS}; do \
@@ -123,7 +129,7 @@ depend: pre-depend ${SRCS}
 				;; \
 		esac; \
 	done; \
-	if test x"$$regen" = x"1" -a x"$$deps" != "x"; then \
+	if test x"$$regen" = x"1" -a x"$$deps" != x""; then \
 		${DEPEND_STATUS}; \
 		if ${MAKE} ${MFLAGS} $$deps && cat $$deps >.deps; then \
 			rm -f $$deps; \
@@ -150,6 +156,22 @@ ${PROG} ${PROG_NOINST}: ${EXT_DEPS} ${OBJS}
 		${LINK_FAILED}; \
 	fi
 
+${JARFILE}: ${EXT_DEPS} ${JAR_MANIFEST} ${OBJS}
+	${LINK_STATUS}
+	if test x"${JAR_MANIFEST}" != x""; then \
+		if ${JAR} cfm ${JARFILE} ${JAR_MANIFEST} ${OBJS}; then \
+			${LINK_OK}; \
+		else \
+			${LINK_FAILED}; \
+		fi \
+	else \
+		if ${JAR} cf ${JARFILE} ${OBJS}; then \
+			${LINK_OK}; \
+		else \
+			${LINK_FAILED}; \
+		fi \
+	fi
+
 ${LIB} ${LIB_NOINST}: ${EXT_DEPS} ${LIB_OBJS}
 	${LINK_STATUS}; \
 	if ${LD} -o $@ ${LIB_OBJS} ${LIB_LDFLAGS} ${LDFLAGS} ${LIBS}; then \
@@ -282,6 +304,14 @@ locales: ${MO_FILES}
 		${COMPILE_FAILED}; \
 	fi
 
+.java.class:
+	${COMPILE_STATUS}
+	if ${JAVAC} ${JAVACFLAGS} $<; then \
+		${COMPILE_OK}; \
+	else \
+		${COMPILE_FAILED}; \
+	fi
+
 .m.o:
 	${COMPILE_STATUS}
 	if ${OBJC} ${OBJCFLAGS} ${CPPFLAGS} -c -o $@ $<; then \
@@ -342,27 +372,13 @@ locales: ${MO_FILES}
 		${COMPILE_FAILED}; \
 	fi
 
-.xpm.o:
+.rc.o .rc.lib.o .rc.plugin.o:
 	${COMPILE_STATUS}
-	if ${CC} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+	if ${WINDRES} ${CPPFLAGS} -J rc -O coff -o $@ $<; then \
 		${COMPILE_OK}; \
 	else \
 		${COMPILE_FAILED}; \
 	fi
-.xpm.lib.o:
-	${COMPILE_LIB_STATUS}
-	if ${CC} ${LIB_CFLAGS} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
-		${COMPILE_LIB_OK}; \
-	else \
-		${COMPILE_LIB_FAILED}; \
-	fi
-.xpm.plugin.o:
-	${COMPILE_PLUGIN_STATUS}
-	if ${CC} ${PLUGIN_CFLAGS} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
-		${COMPILE_PLUGIN_OK}; \
-	else \
-		${COMPILE_PLUGIN_FAILED}; \
-	fi
 
 .S.o:
 	${COMPILE_STATUS}
@@ -386,6 +402,28 @@ locales: ${MO_FILES}
 		${COMPILE_PLUGIN_FAILED}; \
 	fi
 
+.xpm.o:
+	${COMPILE_STATUS}
+	if ${CC} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+		${COMPILE_OK}; \
+	else \
+		${COMPILE_FAILED}; \
+	fi
+.xpm.lib.o:
+	${COMPILE_LIB_STATUS}
+	if ${CC} ${LIB_CFLAGS} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+		${COMPILE_LIB_OK}; \
+	else \
+		${COMPILE_LIB_FAILED}; \
+	fi
+.xpm.plugin.o:
+	${COMPILE_PLUGIN_STATUS}
+	if ${CC} ${PLUGIN_CFLAGS} ${CFLAGS} ${CPPFLAGS} -x c -c -o $@ $<; then \
+		${COMPILE_PLUGIN_OK}; \
+	else \
+		${COMPILE_PLUGIN_FAILED}; \
+	fi
+
 install: ${LIB} ${STATIC_LIB} ${STATIC_PIC_LIB} ${PLUGIN} ${PROG} install-extra
 	for i in ${SUBDIRS}; do \
 		${DIR_ENTER}; \