fail build in CI if speedups do not build correctly

1 files changed, 3 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index feb29d9..dc3e378 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 from __future__ import with_statement
 
+import os
 import sys
 try:
     from setuptools import setup, Extension, Command
@@ -112,6 +113,8 @@ def run_setup(with_binary):
 try:
     run_setup(not IS_PYPY)
 except BuildFailed:
+    if os.environ.get('REQUIRE_SPEEDUPS'):
+        raise
     BUILD_EXT_WARNING = ("WARNING: The C extension could not be compiled, "
                          "speedups are not enabled.")
     print('*' * 75)