Add Jenkinsfile.

Jenkinsfile

@@ -0,0 +1,94 @@
+def binext(os) {
+  switch(os) {
+    case "windows":
+      return ".exe"
+    default:
+      return ""
+  }
+}
+
+def upx(file) {
+  // Install upx
+  tool "UPX v3.91"
+
+  switch("${env.GOOS}.${env.GOARCH}") {
+    case ~/linux\.(amd64|386)/:
+    case ~/darwin\.(amd64|arm)/:
+    case ~/windows\..+/:
+    case ~/.+bsd\.386/:
+      if (env.GOOS == "linux") {
+        sh "GOOS= GOARCH= go get -v github.com/pwaller/goupx"
+        sh "goupx --no-upx \"$file\""
+      }
+      sh "upx --best --ultra-brute \"$file\""
+      break
+    default:
+      echo "Skipping UPX compression as it is not supported for $goos/$goarch."
+      break
+  }
+}
+
+def withGoEnv(os, arch, f) {
+  // Install go
+  env.GOROOT = tool "Go 1.7"
+  env.GOPATH = env.WORKSPACE
+
+  switch(arch) {
+    case "x64":
+      arch = "amd64"
+      break
+    case "x86":
+      arch = "386"
+      break
+    case "armv5":
+    case "armv6":
+    case "armv7":
+      arch = "arm"
+      break
+    case "armv8":
+      arch = "arm64"
+      break
+  }
+
+  withEnv(["CGO_ENABLED=1", "GOOS=${os}", "GOARCH=${arch}"]) {
+    switch(arch) {
+      case "armv5":
+        withEnv("GOARM=5", f)
+        break
+      case "armv6":
+        withEnv("GOARM=6", f)
+        break
+      case "armv7":
+        withEnv("GOARM=7", f)
+        break
+      default:
+        f()
+        break
+    }
+  }
+}
+
+def build(os, arch) {
+  node("docker && linux && amd64") {
+    checkout scm
+    docker.image("dockcross/${os}-${arch}").inside {
+      withGoEnv(os, arch) {
+        def binfilename = "icecon_${env.GOOS}_${env.GOARCH}${binext os}"
+        sh "GOOS= GOARCH= go get -v github.com/josephspurrier/goversioninfo/cmd/goversioninfo"
+        sh "go generate -v ./..."
+        sh "go get -v -d ./..."
+        sh "go build -o ${binfilename}"
+        upx binfilename
+        archive "${binfilename}"
+      }
+    }
+  }
+}
+
+parallel (
+  windows_x64: { build("windows", "x64") },
+  windows_x86: { build("windows", "x86") },
+  linux_x64: { build("linux", "x64") },
+  linux_x86: { build("linux", "x86") },
+  linux_arm: { build("linux", "armv5") }
+)