$OpenBSD: patch-Makefile,v 1.3 2021/02/15 09:19:45 claudio Exp $

The react build is provided via extra distfile

Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -38,7 +38,7 @@ $(REACT_APP_OUTPUT_DIR): $(REACT_APP_NODE_MODULES_PATH
 	@$(REACT_APP_BUILD_SCRIPT)
 
 .PHONY: assets
-assets: $(REACT_APP_OUTPUT_DIR)
+assets:
 	@echo ">> writing assets"
 	# Un-setting GOOS and GOARCH here because the generated Go code is always the same,
 	# but the cached object code is incompatible between architectures and OSes (which
