explicitly use gotip

Signed-off-by: Achille Roussel <[email protected]>

Author: achille-roussel

Makefile

@@ -1,15 +1,14 @@
 .PHONY: test lint wasirun
 
-GO ?= go
-GOPATH = $(shell $(GO) env GOPATH)
+GOPATH = $(shell gotip env GOPATH)
 
 wasip1.test: go.mod $(wildcard wasip1/*.go)
-	GOARCH=wasm GOOS=wasip1 $(GO) test -c ./wasip1
+	GOARCH=wasm GOOS=wasip1 gotip test -c ./wasip1
 
 test: wasirun wasip1.test
 	wasirun wasip1.test -test.v
 
 wasirun: $(GOPATH)/bin/wasirun
 
 $(GOPATH)/bin/wasirun:
-	$(GO) install github.com/stealthrocket/wasi-go/cmd/wasirun@latest
+	gotip install github.com/stealthrocket/wasi-go/cmd/wasirun@latest