| 16129 |
|
|
| 16130 |
|
|
| 16131 |
|
|
| 16132 |
+ |
for flag in -Wshift-negative-value; do |
| 16133 |
+ |
as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` |
| 16134 |
+ |
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 |
| 16135 |
+ |
$as_echo_n "checking whether C compiler accepts $flag... " >&6; } |
| 16136 |
+ |
if eval \${$as_CACHEVAR+:} false; then : |
| 16137 |
+ |
$as_echo_n "(cached) " >&6 |
| 16138 |
+ |
else |
| 16139 |
+ |
|
| 16140 |
+ |
ax_check_save_flags=$CFLAGS |
| 16141 |
+ |
CFLAGS="$CFLAGS $flag" |
| 16142 |
+ |
cat confdefs.h - <<_ACEOF >conftest.$ac_ext |
| 16143 |
+ |
/* end confdefs.h. */ |
| 16144 |
+ |
|
| 16145 |
+ |
int |
| 16146 |
+ |
main () |
| 16147 |
+ |
{ |
| 16148 |
+ |
|
| 16149 |
+ |
; |
| 16150 |
+ |
return 0; |
| 16151 |
+ |
} |
| 16152 |
+ |
_ACEOF |
| 16153 |
+ |
if ac_fn_c_try_compile "$LINENO"; then : |
| 16154 |
+ |
eval "$as_CACHEVAR=yes" |
| 16155 |
+ |
else |
| 16156 |
+ |
eval "$as_CACHEVAR=no" |
| 16157 |
+ |
fi |
| 16158 |
+ |
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext |
| 16159 |
+ |
CFLAGS=$ax_check_save_flags |
| 16160 |
+ |
fi |
| 16161 |
+ |
eval ac_res=\$$as_CACHEVAR |
| 16162 |
+ |
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 |
| 16163 |
+ |
$as_echo "$ac_res" >&6; } |
| 16164 |
+ |
if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : |
| 16165 |
+ |
|
| 16166 |
+ |
if ${CFLAGS+:} false; then : |
| 16167 |
+ |
|
| 16168 |
+ |
case " $CFLAGS " in #( |
| 16169 |
+ |
*" $flag "*) : |
| 16170 |
+ |
{ { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 |
| 16171 |
+ |
(: CFLAGS already contains $flag) 2>&5 |
| 16172 |
+ |
ac_status=$? |
| 16173 |
+ |
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 |
| 16174 |
+ |
test $ac_status = 0; } ;; #( |
| 16175 |
+ |
*) : |
| 16176 |
+ |
|
| 16177 |
+ |
as_fn_append CFLAGS " $flag" |
| 16178 |
+ |
{ { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 |
| 16179 |
+ |
(: CFLAGS="$CFLAGS") 2>&5 |
| 16180 |
+ |
ac_status=$? |
| 16181 |
+ |
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 |
| 16182 |
+ |
test $ac_status = 0; } |
| 16183 |
+ |
;; |
| 16184 |
+ |
esac |
| 16185 |
+ |
|
| 16186 |
+ |
else |
| 16187 |
+ |
|
| 16188 |
+ |
CFLAGS=$flag |
| 16189 |
+ |
{ { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 |
| 16190 |
+ |
(: CFLAGS="$CFLAGS") 2>&5 |
| 16191 |
+ |
ac_status=$? |
| 16192 |
+ |
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 |
| 16193 |
+ |
test $ac_status = 0; } |
| 16194 |
+ |
|
| 16195 |
+ |
fi |
| 16196 |
+ |
|
| 16197 |
+ |
else |
| 16198 |
+ |
: |
| 16199 |
+ |
fi |
| 16200 |
+ |
|
| 16201 |
+ |
done |
| 16202 |
+ |
|
| 16203 |
+ |
|
| 16204 |
+ |
|
| 16205 |
+ |
|
| 16206 |
+ |
|
| 16207 |
|
for flag in -Wsign-compare; do |
| 16208 |
|
as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` |
| 16209 |
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 |
