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-rw-r--r--m4/jm-winsz1.m49
1 files changed, 8 insertions, 1 deletions
diff --git a/m4/jm-winsz1.m4 b/m4/jm-winsz1.m4
index 346e8dd4f..492267e7a 100644
--- 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.]))
+ ]
+)