icc accepts -OPT... but generates a warning, so just disable the check

configure

 #! /bin/sh
-# From configure.in Revision: 41924 .
+# From configure.in Revision: 41925 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59 for python 2.5.
 #
@@ -3911,6 +3911,12 @@ then
 	BASECFLAGS="$BASECFLAGS $ac_arch_flags"
 fi
 
+# disable check for icc since it seems to pass, but generates a warning
+if test "$CC" = icc
+then
+  ac_cv_opt_olimit_ok=no
+fi
+
 echo "$as_me:$LINENO: checking whether $CC accepts -OPT:Olimit=0" >&5
 echo $ECHO_N "checking whether $CC accepts -OPT:Olimit=0... $ECHO_C" >&6
 if test "${ac_cv_opt_olimit_ok+set}" = set; then

configure.in

@@ -775,6 +775,12 @@ then
 	BASECFLAGS="$BASECFLAGS $ac_arch_flags"
 fi
 
+# disable check for icc since it seems to pass, but generates a warning
+if test "$CC" = icc
+then
+  ac_cv_opt_olimit_ok=no
+fi
+
 AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
 AC_CACHE_VAL(ac_cv_opt_olimit_ok,
 [ac_save_cc="$CC"