-cxx_compat_warn=
-save_CFLAGS="$CFLAGS"
-for option in -Wc++-compat; do
- as_acx_Woption=`echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
-
- echo "$as_me:$LINENO: checking whether $CC supports $option" >&5
-echo $ECHO_N "checking whether $CC supports $option... $ECHO_C" >&6
-if eval "test \"\${$as_acx_Woption+set}\" = set"; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- CFLAGS="$option"
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -z "$ac_c_werror_flag"
- || test ! -s conftest.err'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- eval "$as_acx_Woption=yes"
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_acx_Woption=no"
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_acx_Woption'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_acx_Woption'}'`" >&6
- if test `eval echo '${'$as_acx_Woption'}'` = yes; then
- cxx_compat_warn="$cxx_compat_warn${cxx_compat_warn:+ }$option"
-fi
-
- done
-CFLAGS="$save_CFLAGS"
-