macosx: add build option for macosx

Gitlab: #18
Change-Id: I1372c1881b894fd0cde76f5ad94067bd22192315
diff --git a/build-plugin.py b/build-plugin.py
index 4c6e5de..36a70ef 100644
--- a/build-plugin.py
+++ b/build-plugin.py
@@ -87,7 +87,7 @@
     # Filter unsupported distributions.
     supported_distros = [
         ANDROID_DISTRIBUTION_NAME, UBUNTU_DISTRIBUTION_NAME,
-        WIN32_DISTRIBUTION_NAME
+        WIN32_DISTRIBUTION_NAME, OSX_DISTRIBUTION_NAME
     ]
 
     if parsed_args.distribution not in supported_distros: