From be8899e6aa58b7fc8393eb06ea6d8a77708051b5 Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Mon, 10 May 2004 13:47:52 +0000
Subject: [PATCH] Fixed prerequisite headers for sys/buf.h (needed on FreeBSD)

---
 configure.ac | 7 ++++++-
 src/system.h | 3 +++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index d1f070b..d179573 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,11 +36,16 @@ AC_C_INLINE
 
 AC_CHECK_HEADERS(fcntl.h linux/fd.h memory.h net/errno.h \
   sgtty.h string.h \
-  sys/buf.h sys/device.h sys/gentape.h \
+  sys/param.h sys/device.h sys/gentape.h \
   sys/inet.h sys/io/trioctl.h \
   sys/mtio.h sys/time.h sys/tprintf.h sys/tape.h \
   unistd.h)
 
+AC_CHECK_HEADERS([sys/buf.h], [], [],
+[#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif])
+
 AC_HEADER_SYS_WAIT
 AM_STDBOOL_H
 
diff --git a/src/system.h b/src/system.h
index d82e8cd..a710e13 100644
--- a/src/system.h
+++ b/src/system.h
@@ -393,6 +393,9 @@ extern int errno;
 #  if HAVE_SYS_DEVICE_H
 #   include <sys/device.h>
 #  endif
+#  if HAVE_SYS_PARAM_H
+#   include <sys/param.h>
+#  endif
 #  if HAVE_SYS_BUF_H
 #   include <sys/buf.h>
 #  endif
-- 
2.45.2