[Python-checkins] cpython (3.3): Fix build with 3.x gcc versions.

[stefan.krah]

http://hg.python.org/cpython/rev/d536f34759f5
changeset:   81554:d536f34759f5
branch:      3.3
parent:      81552:190a115b7748
user:        Stefan Krah <skrah at bytereef.org>
date:        Thu Jan 17 12:49:34 2013 +0100
summary:
  Fix build with 3.x gcc versions.

files:
  setup.py |  8 ++++++--
  1 files changed, 6 insertions(+), 2 deletions(-)


diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -1997,8 +1997,12 @@
 
         # Increase warning level for gcc:
         if 'gcc' in cc:
-            extra_compile_args.extend(['-Wextra',
-                                       '-Wno-missing-field-initializers'])
+            cmd = ("echo '' | gcc -Wextra -Wno-missing-field-initializers -E - "
+                   "> /dev/null 2>&1")
+            ret = os.system(cmd)
+            if ret >> 8 == 0:
+                extra_compile_args.extend(['-Wextra',
+                                           '-Wno-missing-field-initializers'])
 
         # Uncomment for extra functionality:
         #define_macros.append(('EXTRA_FUNCTIONALITY', 1))

-- 
Repository URL: http://hg.python.org/cpython