+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wmissing-declarations"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wmissing-declarations" >&5
+$as_echo_n "checking if $CC supports -Wmissing-declarations... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wmissing-declarations`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wmissing-declarations"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wnested-externs"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wnested-externs" >&5
+$as_echo_n "checking if $CC supports -Wnested-externs... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wnested-externs`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wnested-externs"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wbad-function-cast"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wbad-function-cast" >&5
+$as_echo_n "checking if $CC supports -Wbad-function-cast... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wbad-function-cast`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wbad-function-cast"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wformat=2"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wformat=2" >&5
+$as_echo_n "checking if $CC supports -Wformat=2... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wformat=2`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wformat=2"
+ found="yes"
+ fi
+ fi
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wformat"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wformat" >&5
+$as_echo_n "checking if $CC supports -Wformat... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wformat`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wformat"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wold-style-definition"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wold-style-definition" >&5
+$as_echo_n "checking if $CC supports -Wold-style-definition... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wold-style-definition`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wold-style-definition"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wdeclaration-after-statement" >&5
+$as_echo_n "checking if $CC supports -Wdeclaration-after-statement... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wdeclaration-after-statement`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wdeclaration-after-statement"
+ found="yes"
+ fi
+ fi
+
+
+
+# This chunk adds additional warnings that could catch undesired effects.
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wunused"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wunused" >&5
+$as_echo_n "checking if $CC supports -Wunused... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wunused`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wunused"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wuninitialized"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wuninitialized" >&5
+$as_echo_n "checking if $CC supports -Wuninitialized... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wuninitialized`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wuninitialized"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wshadow"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wshadow" >&5
+$as_echo_n "checking if $CC supports -Wshadow... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wshadow`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wshadow"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wcast-qual"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wcast-qual" >&5
+$as_echo_n "checking if $CC supports -Wcast-qual... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wcast-qual`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wcast-qual"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wmissing-noreturn"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wmissing-noreturn" >&5
+$as_echo_n "checking if $CC supports -Wmissing-noreturn... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wmissing-noreturn`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wmissing-noreturn"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wmissing-format-attribute"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wmissing-format-attribute" >&5
+$as_echo_n "checking if $CC supports -Wmissing-format-attribute... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wmissing-format-attribute`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wmissing-format-attribute"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wredundant-decls"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wredundant-decls" >&5
+$as_echo_n "checking if $CC supports -Wredundant-decls... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wredundant-decls`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wredundant-decls"
+ found="yes"
+ fi
+ fi
+
+
+
+# These are currently disabled because they are noisy. They will be enabled
+# in the future once the codebase is sufficiently modernized to silence
+# them. For now, I don't want them to drown out the other warnings.
+# XORG_TESTSET_CFLAG([BASE_CFLAGS], [-Wlogical-op])
+# XORG_TESTSET_CFLAG([BASE_CFLAGS], [-Wparentheses])
+# XORG_TESTSET_CFLAG([BASE_CFLAGS], [-Wcast-align])
+
+# Turn some warnings into errors, so we don't accidently get successful builds
+# when there are problems that should be fixed.
+
+if test "x$SELECTIVE_WERROR" = "xyes" ; then
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=implicit"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=implicit" >&5
+$as_echo_n "checking if $CC supports -Werror=implicit... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=implicit`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=implicit"
+ found="yes"
+ fi
+ fi
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED" >&5
+$as_echo_n "checking if $CC supports -errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=nonnull"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=nonnull" >&5
+$as_echo_n "checking if $CC supports -Werror=nonnull... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=nonnull`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=nonnull"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=init-self"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=init-self" >&5
+$as_echo_n "checking if $CC supports -Werror=init-self... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=init-self`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=init-self"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=main"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=main" >&5
+$as_echo_n "checking if $CC supports -Werror=main... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=main`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=main"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=missing-braces"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=missing-braces" >&5
+$as_echo_n "checking if $CC supports -Werror=missing-braces... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=missing-braces`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=missing-braces"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=sequence-point"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=sequence-point" >&5
+$as_echo_n "checking if $CC supports -Werror=sequence-point... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=sequence-point`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=sequence-point"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=return-type"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=return-type" >&5
+$as_echo_n "checking if $CC supports -Werror=return-type... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=return-type`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=return-type"
+ found="yes"
+ fi
+ fi
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -errwarn=E_FUNC_HAS_NO_RETURN_STMT"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -errwarn=E_FUNC_HAS_NO_RETURN_STMT" >&5
+$as_echo_n "checking if $CC supports -errwarn=E_FUNC_HAS_NO_RETURN_STMT... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-errwarn=E_FUNC_HAS_NO_RETURN_STMT`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -errwarn=E_FUNC_HAS_NO_RETURN_STMT"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=trigraphs"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=trigraphs" >&5
+$as_echo_n "checking if $CC supports -Werror=trigraphs... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=trigraphs`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=trigraphs"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=array-bounds"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=array-bounds" >&5
+$as_echo_n "checking if $CC supports -Werror=array-bounds... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=array-bounds`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=array-bounds"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=write-strings"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=write-strings" >&5
+$as_echo_n "checking if $CC supports -Werror=write-strings... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=write-strings`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=write-strings"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=address"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=address" >&5
+$as_echo_n "checking if $CC supports -Werror=address... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=address`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=address"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=int-to-pointer-cast"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=int-to-pointer-cast" >&5
+$as_echo_n "checking if $CC supports -Werror=int-to-pointer-cast... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=int-to-pointer-cast`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=int-to-pointer-cast"
+ found="yes"
+ fi
+ fi
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -errwarn=E_BAD_PTR_INT_COMBINATION"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -errwarn=E_BAD_PTR_INT_COMBINATION" >&5
+$as_echo_n "checking if $CC supports -errwarn=E_BAD_PTR_INT_COMBINATION... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-errwarn=E_BAD_PTR_INT_COMBINATION`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -errwarn=E_BAD_PTR_INT_COMBINATION"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Werror=pointer-to-int-cast"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=pointer-to-int-cast" >&5
+$as_echo_n "checking if $CC supports -Werror=pointer-to-int-cast... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Werror=pointer-to-int-cast`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Werror=pointer-to-int-cast"
+ found="yes"
+ fi
+ fi
+
+ # Also -errwarn=E_BAD_PTR_INT_COMBINATION
+else
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: You have chosen not to turn some select compiler warnings into errors. This should not be necessary. Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT" >&5
+$as_echo "$as_me: WARNING: You have chosen not to turn some select compiler warnings into errors. This should not be necessary. Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT" >&2;}
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wimplicit"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wimplicit" >&5
+$as_echo_n "checking if $CC supports -Wimplicit... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wimplicit`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wimplicit"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wnonnull"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wnonnull" >&5
+$as_echo_n "checking if $CC supports -Wnonnull... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wnonnull`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wnonnull"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Winit-self"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Winit-self" >&5
+$as_echo_n "checking if $CC supports -Winit-self... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Winit-self`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Winit-self"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wmain"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wmain" >&5
+$as_echo_n "checking if $CC supports -Wmain... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wmain`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wmain"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wmissing-braces"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wmissing-braces" >&5
+$as_echo_n "checking if $CC supports -Wmissing-braces... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wmissing-braces`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wmissing-braces"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wsequence-point"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wsequence-point" >&5
+$as_echo_n "checking if $CC supports -Wsequence-point... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wsequence-point`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wsequence-point"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wreturn-type"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wreturn-type" >&5
+$as_echo_n "checking if $CC supports -Wreturn-type... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wreturn-type`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wreturn-type"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wtrigraphs"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wtrigraphs" >&5
+$as_echo_n "checking if $CC supports -Wtrigraphs... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wtrigraphs`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wtrigraphs"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Warray-bounds"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Warray-bounds" >&5
+$as_echo_n "checking if $CC supports -Warray-bounds... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Warray-bounds`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Warray-bounds"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+if test "x$xorg_testset_unused_command_line_argument" = "x" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unused-command-line-argument" >&5
+$as_echo_n "checking if $CC supports -Werror=unused-command-line-argument... " >&6; }
+if ${xorg_cv_cc_flag_unused_command_line_argument+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unused_command_line_argument=yes
+else
+ xorg_cv_cc_flag_unused_command_line_argument=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unused_command_line_argument" >&5
+$as_echo "$xorg_cv_cc_flag_unused_command_line_argument" >&6; }
+ xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi
+
+found="no"
+
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
+ fi
+
+ CFLAGS="$CFLAGS -Wwrite-strings"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Wwrite-strings" >&5
+$as_echo_n "checking if $CC supports -Wwrite-strings... " >&6; }
+ cacheid=`$as_echo xorg_cv_cc_flag_-Wwrite-strings`
+ if { as_var=`$as_echo "$cacheid" | $as_tr_sh`; eval \${$as_var+:} false; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ eval `$as_echo "$cacheid" | $as_tr_sh`=yes
+else
+ eval `$as_echo "$cacheid" | $as_tr_sh`=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+
+ CFLAGS="$xorg_testset_save_CFLAGS"
+
+ eval supported=$`$as_echo "$cacheid" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supported" >&5
+$as_echo "$supported" >&6; }
+ if test "$supported" = "yes" ; then
+ BASE_CFLAGS="$BASE_CFLAGS -Wwrite-strings"
+ found="yes"
+ fi
+ fi
+
+
+
+
+
+
+
+xorg_testset_save_CFLAGS="$CFLAGS"
+
+if test "x$xorg_testset_unknown_warning_option" = "x" ; then
+ CFLAGS="$CFLAGS -Werror=unknown-warning-option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -Werror=unknown-warning-option" >&5
+$as_echo_n "checking if $CC supports -Werror=unknown-warning-option... " >&6; }
+if ${xorg_cv_cc_flag_unknown_warning_option+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ xorg_cv_cc_flag_unknown_warning_option=yes
+else
+ xorg_cv_cc_flag_unknown_warning_option=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xorg_cv_cc_flag_unknown_warning_option" >&5
+$as_echo "$xorg_cv_cc_flag_unknown_warning_option" >&6; }
+ xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option
+ CFLAGS="$xorg_testset_save_CFLAGS"
+fi