X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsys_utsname_h.m4;h=bf87c0b8bf8e2dc37e88709352fa39009c2fd3f4;hb=4bf2b800b24ba0b0cfd069b8ec7ac173714c734d;hp=54e6b061a0a0f6c4a85ed72cb28c82672ace5953;hpb=da857f5cfa81cb721e9afae50e153ed26744bb93;p=gnulib.git

diff --git a/m4/sys_utsname_h.m4 b/m4/sys_utsname_h.m4
index 54e6b061a..bf87c0b8b 100644
--- a/m4/sys_utsname_h.m4
+++ b/m4/sys_utsname_h.m4
@@ -1,5 +1,5 @@
-# sys_utsname_h.m4 serial 6
-dnl Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# sys_utsname_h.m4 serial 8
+dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -14,13 +14,15 @@ AC_DEFUN([gl_SYS_UTSNAME_H],
 
   dnl <sys/utsname.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([sys/utsname.h])
-  AC_CHECK_HEADERS_ONCE([sys/utsname.h])
   if test $ac_cv_header_sys_utsname_h != yes; then
     HAVE_SYS_UTSNAME_H=0
     HAVE_STRUCT_UTSNAME=0
   else
     HAVE_SYS_UTSNAME_H=1
     AC_CHECK_TYPES([struct utsname], [], [HAVE_STRUCT_UTSNAME=0], [[
+/* Minix 3.1.8 has a bug: <stddef.h> must be included before
+   <sys/utsname.h>.  */
+#include <stddef.h>
 #include <sys/utsname.h>
       ]])
   fi
@@ -28,7 +30,11 @@ AC_DEFUN([gl_SYS_UTSNAME_H],
 
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use.
-  gl_WARN_ON_USE_PREPARE([[#include <sys/utsname.h>
+  gl_WARN_ON_USE_PREPARE([[
+    /* Minix 3.1.8 has a bug: <stddef.h> must be included before
+       <sys/utsname.h>.  */
+    #include <stddef.h>
+    #include <sys/utsname.h>
     ]], [uname])
 ])