From ef76aef7f366754802d3cd5dda2d5e22a11c364a Mon Sep 17 00:00:00 2001
From: Aditya Sharma <git@adi.run>
Date: Thu, 21 Jul 2022 11:54:00 -0700
Subject: [PATCH] Require Go 1.18

Signed-off-by: Aditya Sharma <git@adi.run>
---
 makelib/golang.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/makelib/golang.mk b/makelib/golang.mk
index c5e3528..f9527c5 100644
--- a/makelib/golang.mk
+++ b/makelib/golang.mk
@@ -84,6 +84,10 @@ GOIMPORTS := $(TOOLS_HOST_DIR)/goimports
 GO := go
 GOHOST := GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH) go
 GO_VERSION := $(shell $(GO) version | sed -ne 's/[^0-9]*\(\([0-9]\.\)\{0,4\}[0-9][^.]\).*/\1/p')
+GO_VERSION_MIN := 1.18
+ifneq ($(GO_VERSION),$(GO_VERSION_MIN))
+$(error "go version $(GO_VERSION) is less than $(GO_VERSION_MIN)")
+endif
 
 # we use a consistent version of gofmt even while running different go compilers.
 # see https://github.com/golang/go/issues/26397 for more details