From bc0e9e372fe046e28235851e2243a5e7d332a45e Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Tue, 12 Jun 2001 12:44:54 +0000
Subject: New library functions for msgcat, msgconv, msgen, msggrep, msgsed.

---
 m4/ssize_t.m4 | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 m4/ssize_t.m4

(limited to 'm4/ssize_t.m4')

diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4
new file mode 100644
index 0000000..3c75038
--- /dev/null
+++ b/m4/ssize_t.m4
@@ -0,0 +1,20 @@
+# serial 1
+
+dnl From Bruno Haible.
+dnl Test whether ssize_t is defined.
+dnl Prerequisite: AC_CHECK_HEADERS(unistd.h)
+
+AC_DEFUN([gt_TYPE_SSIZE_T],
+[
+  AC_CACHE_CHECK([for ssize_t], gt_cv_ssize_t,
+    [AC_TRY_COMPILE([
+#include <sys/types.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif], [int x = sizeof (ssize_t *) + sizeof (ssize_t);],
+       gt_cv_ssize_t=yes, gt_cv_ssize_t=no)])
+  if test $gt_cv_ssize_t = no; then
+    AC_DEFINE(ssize_t, int,
+              [Define as a signed type of the same size as size_t.])
+  fi
+])
-- 
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