Re: linux/random.h bug

[Akim Demaille]

 > I just got this request from a configure I created with autoconf on a
 > NetBSD system and then ran under Linux:
 >> configure: WARNING: linux/random.h: present but cannot be compiled
 >> configure: WARNING: linux/random.h: check for missing prerequisite headers?
 >> configure: WARNING: linux/random.h: proceeding with the preprocessor's 
 >> result
 >> configure: WARNING:     ## ------------------------------------ ##
 >> configure: WARNING:     ## Report this to address@hidden ##
 >> configure: WARNING:     ## ------------------------------------ ##

 > What is likely the problem is that the typedef __u32 is not defined
 > because linux/random.h doesn't include all of the header files it
 > relies upon.  (The code fragment below suggests this.)

 > Including <asm/types.h> before <linux/random.h> seems to work.  I'm
 > not sure this is the canonical solution, however.

 > If you need more detailed information or need me to test something,
 > please let me know.

 > Peter

 > ------------------------------------------------------------------------
 > typedef unsigned int __u32;

 > #include <linux/random.h>
 > #include <stdio.h>

 > main()
 > {
 >   printf("Hello world!\n");
 > }

Indeed, it seems that asm/types.h is the best bet.  Thanks!

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * doc/autoconf.texi (Header Portability): linux/random.h.
        From Peter Hendrickson.

Index: THANKS
===================================================================
RCS file: /cvsroot/autoconf/autoconf/THANKS,v
retrieving revision 1.117
diff -u -u -r1.117 THANKS
--- THANKS 27 Aug 2003 07:30:23 -0000 1.117
+++ THANKS 11 Sep 2003 07:06:25 -0000
@@ -154,6 +154,7 @@
 Paul Martinolich            address@hidden
 Pavel Roskin                address@hidden
 Peter Eisentraut            address@hidden
+Peter Hendrickson           address@hidden
 Peter Simons                address@hidden
 Peter Stephenson            address@hidden
 Philipp Thomas              address@hidden
Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.757
diff -u -u -r1.757 autoconf.texi
--- doc/autoconf.texi 2 Sep 2003 19:13:59 -0000 1.757
+++ doc/autoconf.texi 11 Sep 2003 07:06:27 -0000
@@ -4321,6 +4321,10 @@
 @hdrindex linux/irda.h
 It requires @file{linux/types.h} and @file{sys/socket.h}.
 
address@hidden @file{linux/random.h}
address@hidden linux/random.h
+It requires @file{asm/types.h}.
+
 @item @file{net/if.h}
 @hdrindex net/if.h
 On Darwin, this file requires that @file{sys/socket.h} be included