Index: configure.in
===================================================================
--- configure.in	(revision 64653)
+++ configure.in	(working copy)
@@ -785,23 +785,6 @@
 # tweak BASECFLAGS based on compiler and platform
 case $GCC in
 yes)
-    # Python violates C99 rules, by casting between incompatible
-    # pointer types. GCC may generate bad code as a result of that,
-    # so use -fno-strict-aliasing if supported.
-    AC_MSG_CHECKING(whether $CC accepts -fno-strict-aliasing)
-     ac_save_cc="$CC"
-     CC="$CC -fno-strict-aliasing"
-     AC_TRY_RUN([int main() { return 0; }],
-     ac_cv_no_strict_aliasing_ok=yes,
-     ac_cv_no_strict_aliasing_ok=no,
-     ac_cv_no_strict_aliasing_ok=no)
-     CC="$ac_save_cc"
-    AC_MSG_RESULT($ac_cv_no_strict_aliasing_ok)
-    if test $ac_cv_no_strict_aliasing_ok = yes
-    then
-      BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
-    fi
-
     # if using gcc on alpha, use -mieee to get (near) full IEEE 754
     # support.  Without this, treatment of subnormals doesn't follow
     # the standard.