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authorJim Meyering <jim@meyering.net>1999-10-30 07:53:04 +0000
committerJim Meyering <jim@meyering.net>1999-10-30 07:53:04 +0000
commitd34f5765a87fe287d943dafb2b9cfb16ae78f4a6 (patch)
treebb33e48156a9f233ec671330f0e2b4d896e9b8d2 /m4
parent3c4c9446a60d38ae23aebf9a8b150650f10dddf2 (diff)
downloadcoreutils-d34f5765a87fe287d943dafb2b9cfb16ae78f4a6.tar.xz
New file, requires experimental version of autoconf.
Diffstat (limited to 'm4')
-rw-r--r--m4/ssize_t.m422
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4
new file mode 100644
index 000000000..c97ab2ec0
--- /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
+ ]
+ )])