added more steps.

9 years ago · ecab5e2355
parent a5aa19a1c8
commit ecab5e2355
1 changed files with 3 additions and 0 deletions
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -54,8 +54,11 @@ To know about the list of available commands, do this:
 `./tools/run_tests/run_tests.py -h`

 If you are running tests for ObjC on osx, follow these steps before running tests:
+* install Xcode command-line tools by running
+`sudo xcode-select --install`
 * install macports from https://www.macports.org/install.php
 * install autoconf, automake, libtool, gflags, cmake using macports
+* restart your terminal window or run source ~/.bash_profile to pick up the new PATH changes.

 ## Adding or removing source code