Merge euidaccess etc. from coreutils.

[gnulib.git] / m4 / jm-winsz2.m4

diff --git a/m4/jm-winsz2.m4 b/m4/jm-winsz2.m4
index 642e1ff..a7d929d 100644 (file)
--- a/m4/jm-winsz2.m4
+++ b/m4/jm-winsz2.m4
@@ -1,6 +1,6 @@
-#serial 2
+#serial 4
 
-AC_DEFUN(jm_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL,
+AC_DEFUN([jm_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL],
 [AC_REQUIRE([jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H])
  AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h],
                jm_cv_sys_tiocgwinsz_needs_sys_ioctl_h,
@@ -17,6 +17,7 @@ AC_DEFUN(jm_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL,
   fi
   ])
   if test $jm_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then
-    AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
+    AC_DEFINE(GWINSZ_IN_SYS_IOCTL, 1,
+      [Define if your system defines TIOCGWINSZ in sys/ioctl.h.])
   fi
 ])