add fbcode_builder_config for mvfst build in oss

Summary: support for fbcode_build and travis build

Reviewed By: siyengar

Differential Revision: D15184766

fbshipit-source-id: 5117164c324d3d3c867592a88670a53b6f862477

build/fbcode_builder/specs/mvfst.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+# Copyright (c) Facebook, Inc. and its affiliates.
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+import specs.folly as folly
+import specs.fizz as fizz
+
+
+def fbcode_builder_spec(builder):
+    return {
+        'depends_on': [folly, fizz],
+        'steps': [
+            builder.fb_github_cmake_install(
+                'mvfst/build',
+                github_org='facebookincubator',
+            ),
+        ],
+    }