(jm_WINSIZE_IN_PTEM): New macro.

diff --git a/m4/jm-winsz1.m4 b/m4/jm-winsz1.m4
index 346e8dd4f1408bd54403d66e01030111bd0c0f1f..492267e7afeb7044ac7c9daa5ab8e7548bd8e1c9 100644 (file)
--- a/m4/jm-winsz1.m4
+++ b/m4/jm-winsz1.m4
@@ -1,5 +1,5 @@
 dnl From Jim Meyering.
-#serial 1
+#serial 2
 AC_DEFUN(jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H,
 [AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
  AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
@@ -17,3 +17,10 @@ AC_DEFUN(jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H,
    fi
   ])
 ])
+
+AC_DEFUN(jm_WINSIZE_IN_PTEM,
+  [AC_CHECK_HEADER([sys/ptem.h],
+                  AC_DEFINE(WINSIZE_IN_PTEM, 1,
+      [Define if your system defines \`struct winsize' in sys/ptem.h.]))
+  ]
+)