add support for Go 1.16

.github/workflows/cross-compile.sh

@@ -11,7 +11,10 @@ for dist in $(go tool dist list); do
 	if [[ "$goos" == "darwin" && $goarch == "arm64" ]]; then continue; fi # ... darwin/arm64 neither
 	if [[ $GOVERSION == "1.14" && $goos == "darwin" && $goarch == "arm" ]]; then continue; fi # Go 1.14 lacks syscall.IPV6_RECVTCLASS
 
+	cgo=0
+	if [[ "$goos" == "ios" ]]; then cgo=1; fi # iOS builds require CGO, see https://github.com/golang/go/issues/43343
+
 	echo "$dist"
-	GOOS=$goos GOARCH=$goarch go build -o main example/main.go
+	GOOS=$goos GOARCH=$goarch CGO_ENABLED=$cgo go build -o main example/main.go
 	rm main
 done

.github/workflows/cross-compile.yml

@@ -3,13 +3,14 @@ jobs:
   crosscompile:
     strategy:
       matrix:
-        go: [ "1.14.x", "1.15.x" ]
+        go: [ "1.14.x", "1.15.x", "1.16.0-beta1" ]
     runs-on: ubuntu-latest
     name: "Cross Compilation (Go ${{matrix.go}})"
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
+          stable: !contains(${{ matrix.go }}, "beta") && !contains(${{ matrix.go }}, "rc")
           go-version: ${{ matrix.go }}
       - name: Install build utils
         run: sudo apt-get install -y gcc-multilib

.github/workflows/integration.yml

@@ -4,13 +4,14 @@ jobs:
   unit:
     strategy:
       matrix:
-        go: [ "1.14", "1.15" ]
+        go: [ "1.14.x", "1.15.x", "1.16.0-beta1" ]
     runs-on: ubuntu-latest
     name: Integration Tests, Go ${{ matrix.go }})
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
+          stable: !contains(${{ matrix.go }}, "beta") && !contains(${{ matrix.go }}, "rc")
           go-version: ${{ matrix.go }}
       - run: go version
       - name: Install Ginkgo

.github/workflows/unit.yml

@@ -7,13 +7,14 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu", "windows", "macos" ]
-        go: [ "1.14", "1.15" ]
+        go: [ "1.14.x", "1.15.x", "1.16.0-beta1" ]
     runs-on: ${{ matrix.os }}-latest
     name: Unit tests (${{ matrix.os}}, Go ${{ matrix.go }})
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
-        with: 
+        with:
+          stable: !contains(${{ matrix.go }}, "beta") && !contains(${{ matrix.go }}, "rc")
           go-version: ${{ matrix.go }}
       - run: go version
       - name: Install test tools