added vulkan build target for main.exe

Author: LostRuins

Makefile

@@ -688,6 +688,8 @@ gguf-split: tools/gguf-split/gguf-split.cpp ggml.o ggml-cpu.o ggml-ops.o ggml-ve
 	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)
 mtmd-cli: tools/mtmd/mtmd-cli.cpp tools/mtmd/mtmd.cpp common/arg.cpp build-info.h ggml.o ggml-cpu.o ggml-ops.o ggml-vec.o ggml-binops.o ggml-unops.o llama.o console.o llavaclip_default.o llava.o ggml-backend_default.o ggml-backend-reg_default.o $(OBJS_FULL) $(OBJS)
 	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)
+mainvk: tools/main/main.cpp common/arg.cpp build-info.h ggml_v4_vulkan.o ggml-cpu.o ggml-ops.o ggml-vec.o ggml-binops.o ggml-unops.o llama.o console.o llavaclip_vulkan.o llava.o ggml-backend_vulkan.o ggml-backend-reg_vulkan.o ggml-vulkan.o $(OBJS_FULL) $(OBJS) lib/vulkan-1.lib
+	$(CXX) $(CXXFLAGS) -DGGML_USE_VULKAN -DSD_USE_VULKAN $(filter-out %.h,$^) -o $@ $(LDFLAGS)
 
 ggml/src/ggml-vulkan-shaders.cpp:
 ifdef VULKAN_BUILD