add circleci configuration

.circleci/config.yml

@@ -0,0 +1,30 @@
+version: 2
+
+jobs:
+
+  build:
+    machine: true
+
+    working_directory: ~/.go_workspace/src/github.com/ncw/rclone
+
+    steps:
+    - checkout
+
+    - run:
+        name: Cross-compile rclone
+        command: |
+            docker pull billziss/xgo-cgofuse
+            go get -v github.com/karalabe/xgo
+            xgo \
+                --image=billziss/xgo-cgofuse \
+                --targets=darwin/386,darwin/amd64,linux/386,linux/amd64,windows/386,windows/amd64 \
+                .
+
+    - run:
+        name: Prepare artifacts
+        command: |
+            mkdir -p /tmp/rclone.dist
+            cp -R rclone-* /tmp/rclone.dist
+
+    - store_artifacts:
+        path: /tmp/rclone.dist