$NetBSD: patch-configure,v 1.1 2015/03/19 19:17:18 joerg Exp $

Don't create broken or non-portable binaries. This code isn't even
performance critical.

--- configure.orig	2015-03-19 00:03:08.000000000 +0000
+++ configure
@@ -7779,330 +7779,6 @@ $as_echo_n "checking for preferred warni
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${warnflags}" >&5
 $as_echo "${warnflags}" >&6; }
 
-
-
-	case " ${CFLAGS} ${EXTRA_CFLAGS}" in
-	(*" -O"0-9)
-		;;
-	(*)
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -O3" >&5
-$as_echo_n "checking whether C compiler accepts -O3... " >&6; }
-
-	## store werror status, then turn -Werror on
-	save_ac_c_werror_flag="${ac_c_werror_flag}"
-
-ac_c_werror_flag=yes
-
-	if ${sxe_cv_c_flag__O3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  		sxe_save_FLAGS="${CFLAGS}"
-		CFLAGS="-O3"
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval sxe_cv_c_flag__O3="yes"
-else
-  eval sxe_cv_c_flag__O3="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="${sxe_save_FLAGS}"
-
-fi
-
-	eval sxe_check_flag=$sxe_cv_c_flag__O3
-	ac_c_werror_flag="${save_ac_c_werror_flag}"
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${sxe_check_flag}" >&5
-$as_echo "${sxe_check_flag}" >&6; }
-	if test "${sxe_check_flag}" = "yes"; then
-		:
-
-			optiflags="${optiflags} -O3"
-	else
-		:
-
-	fi
-
-		;;
-	esac
-
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -ipo256" >&5
-$as_echo_n "checking whether C compiler accepts -ipo256... " >&6; }
-
-	## store werror status, then turn -Werror on
-	save_ac_c_werror_flag="${ac_c_werror_flag}"
-
-ac_c_werror_flag=yes
-
-	if ${sxe_cv_c_flag__ipo256+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  		sxe_save_FLAGS="${CFLAGS}"
-		CFLAGS="-ipo256"
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval sxe_cv_c_flag__ipo256="yes"
-else
-  eval sxe_cv_c_flag__ipo256="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="${sxe_save_FLAGS}"
-
-fi
-
-	eval sxe_check_flag=$sxe_cv_c_flag__ipo256
-	ac_c_werror_flag="${save_ac_c_werror_flag}"
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${sxe_check_flag}" >&5
-$as_echo "${sxe_check_flag}" >&6; }
-	if test "${sxe_check_flag}" = "yes"; then
-		:
-
-		optiflags="${optiflags} -ipo256"
-	else
-		:
-
-	fi
-
-
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -ipo-jobs256" >&5
-$as_echo_n "checking whether C compiler accepts -ipo-jobs256... " >&6; }
-
-	## store werror status, then turn -Werror on
-	save_ac_c_werror_flag="${ac_c_werror_flag}"
-
-ac_c_werror_flag=yes
-
-	if ${sxe_cv_c_flag__ipo_jobs256+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  		sxe_save_FLAGS="${CFLAGS}"
-		CFLAGS="-ipo-jobs256"
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval sxe_cv_c_flag__ipo_jobs256="yes"
-else
-  eval sxe_cv_c_flag__ipo_jobs256="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="${sxe_save_FLAGS}"
-
-fi
-
-	eval sxe_check_flag=$sxe_cv_c_flag__ipo_jobs256
-	ac_c_werror_flag="${save_ac_c_werror_flag}"
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${sxe_check_flag}" >&5
-$as_echo "${sxe_check_flag}" >&6; }
-	if test "${sxe_check_flag}" = "yes"; then
-		:
-
-		optiflags="${optiflags} -ipo-jobs256"
-	else
-		:
-
-	fi
-
-
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -no-prec-div" >&5
-$as_echo_n "checking whether C compiler accepts -no-prec-div... " >&6; }
-
-	## store werror status, then turn -Werror on
-	save_ac_c_werror_flag="${ac_c_werror_flag}"
-
-ac_c_werror_flag=yes
-
-	if ${sxe_cv_c_flag__no_prec_div+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  		sxe_save_FLAGS="${CFLAGS}"
-		CFLAGS="-no-prec-div"
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval sxe_cv_c_flag__no_prec_div="yes"
-else
-  eval sxe_cv_c_flag__no_prec_div="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="${sxe_save_FLAGS}"
-
-fi
-
-	eval sxe_check_flag=$sxe_cv_c_flag__no_prec_div
-	ac_c_werror_flag="${save_ac_c_werror_flag}"
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${sxe_check_flag}" >&5
-$as_echo "${sxe_check_flag}" >&6; }
-	if test "${sxe_check_flag}" = "yes"; then
-		:
-
-		optiflags="${optiflags} -no-prec-div"
-	else
-		:
-
-	fi
-
-
-	## -fast implies -static which is a dream but
-	## packager prefer dynamic binaries
-
-	## auto-vectorisation
-
-	case " ${CFLAGS} ${EXTRA_CFLAGS}" in
-	(*" -mtune"*)
-		## don't tune
-		;;
-	(*" -march"*)
-		## don't set march
-		;;
-	(*" -m32 "*)
-		## don't bother
-		;;
-	(*" -m64 "*)
-		## don't bother
-		;;
-	(*)
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -xHost" >&5
-$as_echo_n "checking whether C compiler accepts -xHost... " >&6; }
-
-	## store werror status, then turn -Werror on
-	save_ac_c_werror_flag="${ac_c_werror_flag}"
-
-ac_c_werror_flag=yes
-
-	if ${sxe_cv_c_flag__xHost+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  		sxe_save_FLAGS="${CFLAGS}"
-		CFLAGS="-xHost"
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval sxe_cv_c_flag__xHost="yes"
-else
-  eval sxe_cv_c_flag__xHost="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="${sxe_save_FLAGS}"
-
-fi
-
-	eval sxe_check_flag=$sxe_cv_c_flag__xHost
-	ac_c_werror_flag="${save_ac_c_werror_flag}"
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${sxe_check_flag}" >&5
-$as_echo "${sxe_check_flag}" >&6; }
-	if test "${sxe_check_flag}" = "yes"; then
-		:
-
-			optiflags="${optiflags} -xHost"
-	else
-		:
-
-			## non-icc
-				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -mtune=native -march=native" >&5
-$as_echo_n "checking whether C compiler accepts -mtune=native -march=native... " >&6; }
-
-	## store werror status, then turn -Werror on
-	save_ac_c_werror_flag="${ac_c_werror_flag}"
-
-ac_c_werror_flag=yes
-
-	if { as_var=`$as_echo "sxe_cv_c_flag_-mtune=native -march=native" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  		sxe_save_FLAGS="${CFLAGS}"
-		CFLAGS="-mtune=native -march=native"
-		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval `$as_echo "sxe_cv_c_flag_-mtune=native -march=native" | $as_tr_sh`="yes"
-else
-  eval `$as_echo "sxe_cv_c_flag_-mtune=native -march=native" | $as_tr_sh`="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="${sxe_save_FLAGS}"
-
-fi
-
-	eval sxe_check_flag=$`$as_echo "sxe_cv_c_flag_-mtune=native -march=native" | $as_tr_sh`
-	ac_c_werror_flag="${save_ac_c_werror_flag}"
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${sxe_check_flag}" >&5
-$as_echo "${sxe_check_flag}" >&6; }
-	if test "${sxe_check_flag}" = "yes"; then
-		:
-
-				optiflags="${optiflags} -mtune=native -march=native"
-	else
-		:
-
-	fi
-
-
-	fi
-
-		;;
-	esac
-
 	SXE_CFLAGS="${SXE_CFLAGS} ${debugflags} ${optiflags} ${warnflags}"
 
 		## default flags for needed features