diff --git a/pkgs/development/compilers/gcc-4.3/default.nix b/pkgs/development/compilers/gcc-4.3/default.nix
index a7c3c21fb51b..aad9f8207446 100644
--- a/pkgs/development/compilers/gcc-4.3/default.nix
+++ b/pkgs/development/compilers/gcc-4.3/default.nix
@@ -43,7 +43,8 @@ stdenv.mkDerivation ({
   patches =
     [./pass-cxxcpp.patch]
     ++ optional noSysDirs ./no-sys-dirs.patch
-    ++ optional (noSysDirs && langFortran) ./no-sys-dirs-fortran.patch;
+    ++ optional (noSysDirs && langFortran) ./no-sys-dirs-fortran.patch
+    ++ optional langJava ./java-jvgenmain-link.patch;
     
   inherit noSysDirs profiledCompiler staticCompiler;
 
diff --git a/pkgs/development/compilers/gcc-4.3/java-jvgenmain-link.patch b/pkgs/development/compilers/gcc-4.3/java-jvgenmain-link.patch
new file mode 100644
index 000000000000..5e963894c34a
--- /dev/null
+++ b/pkgs/development/compilers/gcc-4.3/java-jvgenmain-link.patch
@@ -0,0 +1,14 @@
+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 15:22:29.000000000 +0200
+@@ -109,7 +109,7 @@ 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)
+