main: check the major/minor installed version of Go before tinygo compile, to ensure that it is a supported version.

deadprogram · aykevl · commit bc41cc688f28 · 2019-09-14T17:50:16.000+02:00
Signed-off-by: Ron Evans &lt;ron@hybridgroup.com&gt;
diff --git a/main.go b/main.go
@@ -89,8 +89,8 @@ func Compile(pkgName, outpath string, spec *TargetSpec, config *BuildConfig, act
 	if err != nil {
 		return fmt.Errorf("could not read version from GOROOT (%v): %v", goroot, err)
 	}
-	if major != 1 {
-		return fmt.Errorf("expected major version 1, got go%d.%d", major, minor)
+	if major != 1 || (minor != 11 && minor != 12) {
+		return fmt.Errorf("requires go version 1.11 or 1.12, got go%d.%d", major, minor)
 	}
 	for i := 1; i <= minor; i++ {
 		tags = append(tags, fmt.Sprintf("go1.%d", i))

Original file line number	Diff line number	Diff line change
`@@ -89,8 +89,8 @@ func Compile(pkgName, outpath string, spec TargetSpec, config BuildConfig, act`
`89`	`89`	`if err != nil {`
`90`	`90`	`return fmt.Errorf("could not read version from GOROOT (%v): %v", goroot, err)`
`91`	`91`	`}`
`92`		`- if major != 1 {`
`93`		`- return fmt.Errorf("expected major version 1, got go%d.%d", major, minor)`
	`92`	`+ if major != 1 \|\| (minor != 11 && minor != 12) {`
	`93`	`+ return fmt.Errorf("requires go version 1.11 or 1.12, got go%d.%d", major, minor)`
`94`	`94`	`}`
`95`	`95`	`for i := 1; i <= minor; i++ {`
`96`	`96`	`tags = append(tags, fmt.Sprintf("go1.%d", i))`