nixpkgs/pkgs/development/compilers/gcc/4.4/java-jvgenmain-link.patch

The `jvgenmain' executable must be linked against `vec.o', among others,
since it uses its vector API.

--- gcc-4.3.3/gcc/java/Make-lang.in	2008-12-05 00:00:19.000000000 +0100
+++ gcc-4.3.3/gcc/java/Make-lang.in	2009-07-03 16:11:41.000000000 +0200
@@ -109,9 +109,9 @@ jcf-dump$(exeext): $(JCFDUMP_OBJS) $(LIB
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JCFDUMP_OBJS) \
 		$(CPPLIBS) $(ZLIB) $(LDEXP_LIB) $(LIBS)
 
-jvgenmain$(exeext): $(JVGENMAIN_OBJS) $(LIBDEPS)
+jvgenmain$(exeext): $(JVGENMAIN_OBJS) $(LIBDEPS) $(BUILD_RTL)
 	rm -f $@
-	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JVGENMAIN_OBJS) $(LIBS)
+	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JVGENMAIN_OBJS) $(BUILD_RTL) $(LIBS)
 
 #
 # Build hooks: