Merge pull request swiftlang#63 from nkcsgexi/no-fail-remove-rpath

build-script: don't abort after delete_rpath fails.

Author: nkcsgexi

build-script.py

@@ -330,8 +330,6 @@ def delete_rpath(rpath, binary):
         cmd = ["install_name_tool", "-delete_rpath", rpath, binary]
         note("removing RPATH from %s: %s" % (binary, ' '.join(cmd)))
         result = subprocess.call(cmd)
-        if result != 0:
-            fatal_error("command failed with exit status %d" % (result,))
     else:
         fatal_error("unable to remove RPATHs on this platform")