[wasi] Makefile: add build-packages target

Author: radical

src/mono/wasi/Makefile

@@ -54,6 +54,10 @@ app-builder:
 build-tasks:
 	$(DOTNET) build $(TOP)/src/tasks/tasks.proj /p:Configuration=$(CONFIG) $(MSBUILD_ARGS)
 
+build-packages:
+	rm -f $(TOP)/artifacts/packages/$(CONFIG)/Shipping/*.nupkg
+	WASI_SDK_PATH=$(WASI_SDK_PATH) $(TOP)/build.sh mono.packages+mono.manifests+packs.product -os wasi -c $(CONFIG) --binaryLog /p:ContinueOnError=false /p:StopOnFirstFailure=true $(MSBUILD_ARGS)
+
 clean:
 	$(RM) -rf $(BUILDS_OBJ_DIR)