From 25d8d8564059e0773aec16a7be1f434017950575 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 30 Oct 1999 07:53:04 +0000
Subject: [PATCH] New file, requires experimental version of autoconf.

---
 m4/ssize_t.m4 | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 m4/ssize_t.m4

diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4
new file mode 100644
index 0000000000..c97ab2ec06
--- /dev/null
+++ b/m4/ssize_t.m4
@@ -0,0 +1,22 @@
+#serial 1
+
+AC_PREREQ(2.14a)
+
+dnl This is a specialization of AC_CHECK_TYPE applied to `ssize_t' with
+dnl the difference that it also includes unistd.h on systems that have it.
+dnl On Fujitsu UXP/V systems ssize_t is defined in unistd.h.
+AC_DEFUN(AC_TYPE_SSIZE_T,
+  [
+    AC_CHECK_HEADERS(unistd.h)
+    AC_CHECK_TYPE(ssize_t, int,
+      [
+#include <sys/types.h>
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+      ]
+  )])
-- 
2.30.2