Used external roborio compiler instead of local compiler.

Change-Id: Ifec0d68b0b51a822c906bc4f52320004ee2f5d84
diff --git a/WORKSPACE b/WORKSPACE
index 66027a8..631ea78 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -25,3 +25,10 @@
   name = 'libpthread',
   actual = '@usr_repo//:libpthread',
 )
+
+new_http_archive(
+  name = 'arm-frc-linux-gnueabi-repo',
+  build_file = 'tools/cpp/arm-frc-linux-gnueabi/arm-frc-linux-gnueabi.BUILD',
+  sha256 = '9d92b513b627c4aaa93d4d8049b4c6b96a532b64df11b27fde4dead58347a9f6',
+  url = 'http://frc971.org/Build-Dependencies/arm-frc-linux-gnueabi_4.9.3.tar.gz',
+)