.

diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4
new file mode 100644 (file)
index 0000000..7f2e6d9
--- /dev/null
+++ b/m4/ssize_t.m4
@@ -0,0 +1,19 @@
+#serial 1
+
+dnl From Jim Meyering
+
+# If ssize_t is not defined in sys/types.h, define it to `int'.
+
+AC_DEFUN(jm_TYPE_SSIZE_T,
+  [AC_CACHE_CHECK(for ssize_t in sys/types.h, jm_ac_cv_type_ssize_t,
+    [
+      AC_EGREP_HEADER(ssize_t, sys/types.h,
+                     jm_ac_cv_type_ssize_t=yes,
+                     jm_ac_cv_type_ssize_t=no)
+      if test $jm_ac_cv_type_ssize_t = no; then
+       AC_DEFINE(ssize_t, int)
+      fi
+    ]
+   )
+  ]
+)