AC_DEFINE(HAVE_ENOTRECOVERABLE, 1, [Define if ENOTRECOVERABLE exists.])
fi
+ AC_MSG_CHECKING([for ENOLINK])
+ AC_CACHE_VAL(ac_system_error3, [
+ AC_TRY_COMPILE([#include <errno.h>], [ int i = ENOLINK; ],
+ [ac_system_error3=yes], [ac_system_error3=no])
+ ])
+ AC_MSG_RESULT($ac_system_error3)
+ if test x"$ac_system_error3" = x"yes"; then
+ AC_DEFINE(HAVE_ENOLINK, 1, [Define if ENOLINK exists.])
+ fi
+
+ AC_MSG_CHECKING([for EPROTO])
+ AC_CACHE_VAL(ac_system_error_4, [
+ AC_TRY_COMPILE([#include <errno.h>], [ int i = EPROTO; ],
+ [ac_system_error_4=yes], [ac_system_error_4=no])
+ ])
+ AC_MSG_RESULT($ac_system_error_4)
+ if test x"$ac_system_error_4" = x"yes"; then
+ AC_DEFINE(HAVE_EPROTO, 1, [Define if EPROTO exists.])
+ fi
+
AC_MSG_CHECKING([for sys_nerr])
AC_CACHE_VAL(ac_system_error3, [
AC_TRY_COMPILE([#include <errno.h> ], [ int i = sys_nerr; ],
fi
+ echo "$as_me:$LINENO: checking for ENOLINK" >&5
+echo $ECHO_N "checking for ENOLINK... $ECHO_C" >&6
+ if test "${ac_system_error3+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+ int i = ENOLINK;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_system_error3=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_system_error3=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+ echo "$as_me:$LINENO: result: $ac_system_error3" >&5
+echo "${ECHO_T}$ac_system_error3" >&6
+ if test x"$ac_system_error3" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ENOLINK 1
+_ACEOF
+
+ fi
+
+ echo "$as_me:$LINENO: checking for EPROTO" >&5
+echo $ECHO_N "checking for EPROTO... $ECHO_C" >&6
+ if test "${ac_system_error_4+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+ int i = EPROTO;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_system_error_4=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_system_error_4=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+ echo "$as_me:$LINENO: result: $ac_system_error_4" >&5
+echo "${ECHO_T}$ac_system_error_4" >&6
+ if test x"$ac_system_error_4" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_EPROTO 1
+_ACEOF
+
+ fi
+
echo "$as_me:$LINENO: checking for sys_nerr" >&5
echo $ECHO_N "checking for sys_nerr... $ECHO_C" >&6
if test "${ac_system_error3+set}" = set; then
# Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style.
cat > conftest.$ac_ext << EOF
-#line 16770 "configure"
+#line 16898 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
network_unreachable = ENETUNREACH,
no_buffer_space = ENOBUFS,
no_child_process = ECHILD,
+#ifdef _GLIBCXX_HAVE_ENOLINK
no_link = ENOLINK,
+#endif
no_lock_available = ENOLCK,
no_message_available = ENODATA,
no_message = ENOMSG,
owner_dead = EOWNERDEAD,
#endif
permission_denied = EACCES,
+#ifdef _GLIBCXX_HAVE_EPROTO
protocol_error = EPROTO,
+#endif
protocol_not_supported = EPROTONOSUPPORT,
read_only_file_system = EROFS,
resource_deadlock_would_occur = EDEADLK,