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--- a
+++ b/Makefile.vc
@@ -0,0 +1,22 @@
+all: checkmakefiles
+	cd src && $(MAKE) -f Makefile.vc
+
+clean: checkmakefiles
+	cd src && $(MAKE) -f Makefile.vc clean
+
+cleanall: checkmakefiles
+	cd src && $(MAKE) -f Makefile.vc MODE=release clean
+	cd src && $(MAKE) -f Makefile.vc MODE=debug clean
+
+makefiles:
+	cd src && call opp_nmakemake -f --deep
+
+checkmakefiles:
+	@if not exist src\Makefile.vc ( \
+	echo. && \
+	echo ============================================================================ && \
+	echo src/Makefile.vc does not exist. Please use the following command to generate it: && \
+	echo nmake -f Makefile.vc makefiles && \
+	echo ============================================================================ && \
+	echo. && \
+	exit 1 )