--- configure.orig 2011-11-22 09:08:58.000000000 +1100 +++ configure 2011-11-22 09:10:56.000000000 +1100 @@ -4428,9 +4428,7 @@ STRICT_PROTO="-Wstrict-prototypes" fi # For gcc 4.x we need to use -fwrapv so lets check if its supported - if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then WRAP="-fwrapv" - fi case $ac_cv_prog_cc_g in yes) if test "$Py_DEBUG" = 'true' ; then