+# If building with gcc-4.x.x (or x86_64-w64-mingw32-gcc-4.x.x), then
+# uncomment the following assignment to GCC_4XX, make sure that CCHOME
+# has been set correctly above, and uncomment the appropriate
+# GCCHELPERDLL line.
+# The name of the dll can change, depending upon which vendor has supplied
+# your 4.x.x compiler, and upon the values of "x".
+# (The dll will be in your mingw/bin folder, so check there if you're
+# unsure about the correct name.)
+# Without these corrections, the op/taint.t test script will fail.
+#
+#GCC_4XX *= define
+#GCCHELPERDLL *= $(CCHOME)\bin\libgcc_s_sjlj-1.dll
+#GCCHELPERDLL *= $(CCHOME)\bin\libgcc_s_dw2-1.dll
+#GCCHELPERDLL *= $(CCHOME)\bin\libgcc_s_1.dll
+
+#
+# uncomment this if you are using x86_64-w64-mingw32 cross-compiler
+# ie if your gcc executable is called 'x86_64-w64-mingw32-gcc'
+# instead of the usual 'gcc'.
+#
+#GCCCROSS *= define
+
+#