-#serial 2
+#serial 3
dnl From Jim Meyering
dnl Using code from emacs, based on suggestions from Paul Eggert
[how to determine the number of pending output bytes on a stream],
ac_cv_sys_pending_output_n_bytes,
[
- fp_save_DEFS=$DEFS
for ac_expr in \
\
'# glibc2' \
# Skip each embedded comment.
case "$ac_expr" in '#'*) continue;; esac
- DEFS="$DEFS -DPENDING_OUTPUT_N_BYTES=$ac_expr"
AC_TRY_COMPILE(
[#include <stdio.h>
],
[FILE *fp = stdin; (void) ($ac_expr);],
fp_done=yes
)
- DEFS=$fp_save_DEFS
test "$fp_done" = yes && break
done