1 files changed, 13 insertions, 1 deletions
diff --git a/contrib/build-installer b/contrib/build-installer
index 4739fe3a4..8a0e1af26 100755
--- a/contrib/build-installer
+++ b/contrib/build-installer
@@ -7,9 +7,21 @@ from packager import generate_script
 here = os.path.dirname(os.path.abspath(__file__))
 file_name = os.path.join(here, 'get-pip.py')
 
+entry = """
+import sys
+try:
+    import setuptools
+    import pkg_resources
+except ImportError:
+    raise SystemExit("An error occured while trying to run %s. Make sure "
+                     "you have setuptools or distribute installed." % __file__)
+import pip
+pip.bootstrap()
+"""
+
 def main():
     sys.stdout.write("Creating pip bootstrapper...")
-    script = generate_script('import pip; pip.bootstrap()', ['pip'])
+    script = generate_script(entry, ['pip'])
     f = open(file_name, 'w')
     try:
         f.write(script)