Move to go1.9.1 as default environment. (#5041)

.travis.yml

@@ -13,7 +13,6 @@ os:
 
 env:
 - ARCH=x86_64
-- ARCH=i686
 
 script:
 ## Run all the tests
@@ -27,5 +26,4 @@ after_success:
 - bash <(curl -s https://codecov.io/bash)
 
 go:
-- 1.9.x
-- 1.8.x
+- 1.9.1

Makefile

@@ -47,7 +47,7 @@ cyclo:
 
 deadcode:
 	@echo "Running $@"
-	@${GOPATH}/bin/deadcode -test $(shell go list ./... | grep -v -e browser -e vendor) || true
+	@${GOPATH}/bin/deadcode -test $(shell go list ./...) || true
 
 spelling:
 	@${GOPATH}/bin/misspell -error `find cmd/`

buildscripts/checkdeps.sh

@@ -21,7 +21,7 @@ _init() {
 
     ## Minimum required versions for build dependencies
     GIT_VERSION="1.0"
-    GO_VERSION="1.8.3"
+    GO_VERSION="1.9.1"
     OSX_VERSION="10.8"
     KNAME=$(uname -s)
     ARCH=$(uname -m)

main.go

@@ -33,8 +33,8 @@ import (
 )
 
 const (
-	// Minio requires at least Go v1.8.3
-	minGoVersion        = "1.8.3"
+	// Minio requires at least Go v1.9.1
+	minGoVersion        = "1.9.1"
 	goVersionConstraint = ">= " + minGoVersion
 )
 

main_test.go

@@ -28,9 +28,9 @@ func TestCheckGoVersion(t *testing.T) {
 		expectedErr error
 	}{
 		{minGoVersion, nil},
-		{"1.6.8", fmt.Errorf("Minio is not compiled by Go >= 1.8.3.  Please recompile accordingly")},
-		{"1.5", fmt.Errorf("Minio is not compiled by Go >= 1.8.3.  Please recompile accordingly")},
-		{"0.1", fmt.Errorf("Minio is not compiled by Go >= 1.8.3.  Please recompile accordingly")},
+		{"1.6.8", fmt.Errorf("Minio is not compiled by Go >= 1.9.1.  Please recompile accordingly")},
+		{"1.5", fmt.Errorf("Minio is not compiled by Go >= 1.9.1.  Please recompile accordingly")},
+		{"0.1", fmt.Errorf("Minio is not compiled by Go >= 1.9.1.  Please recompile accordingly")},
 		{".1", fmt.Errorf("Malformed version: .1")},
 		{"somejunk", fmt.Errorf("Malformed version: somejunk")},
 	}