+ { echo "$as_me:$LINENO: checking GCC flag(s) -Wwrite-strings" >&5
+echo $ECHO_N "checking GCC flag(s) -Wwrite-strings... $ECHO_C" >&6; }
+ if test "${GCC-no}" = yes
+ then
+ if test "${charybdis_cv_c_gcc_w_write_strings+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ oldcflags="${CFLAGS-}"
+ CFLAGS="${CFLAGS-} ${CWARNS} -Wwrite-strings -Werror"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+#include <string.h>
+#include <stdio.h>
+int main(void);
+
+int
+main ()
+{
+
+ (void)strcmp("a","b"); fprintf(stdout,"test ok\n");
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ charybdis_cv_c_gcc_w_write_strings=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ charybdis_cv_c_gcc_w_write_strings=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="${oldcflags}"
+fi
+
+ if test "x$charybdis_cv_c_gcc_w_write_strings" = xyes; then
+ CWARNS="${CWARNS}-Wwrite-strings "
+ { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
+ else
+ charybdis_cv_c_gcc_w_write_strings=''
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ fi
+ else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ fi
+
+
+ { echo "$as_me:$LINENO: checking GCC flag(s) -Werror-implicit-function-declaration" >&5
+echo $ECHO_N "checking GCC flag(s) -Werror-implicit-function-declaration... $ECHO_C" >&6; }
+ if test "${GCC-no}" = yes
+ then
+ if test "${charybdis_cv_c_gcc_w_error_implicit_function_declaration+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ oldcflags="${CFLAGS-}"
+ CFLAGS="${CFLAGS-} ${CWARNS} -Werror-implicit-function-declaration -Werror"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+#include <string.h>
+#include <stdio.h>
+int main(void);
+
+int
+main ()
+{
+
+ (void)strcmp("a","b"); fprintf(stdout,"test ok\n");
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ charybdis_cv_c_gcc_w_error_implicit_function_declaration=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ charybdis_cv_c_gcc_w_error_implicit_function_declaration=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="${oldcflags}"
+fi
+
+ if test "x$charybdis_cv_c_gcc_w_error_implicit_function_declaration" = xyes; then
+ CWARNS="${CWARNS}-Werror-implicit-function-declaration "
+ { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
+ else
+ charybdis_cv_c_gcc_w_error_implicit_function_declaration=''
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ fi
+ else
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ fi
+
+