[U-Boot] [PATCH v8 2/4] net: use common rand()/srand() functions

[Michael Walle <michael@walle.cc>]

Am Donnerstag 05 Juli 2012, 20:18:12 schrieb Kim Phillips:
> On Mon, 4 Jun 2012 15:10:55 -0500
> 
> Joe Hershberger <joe.hershberger@gmail.com> wrote:
> > On Fri, Jun 1, 2012 at 3:39 PM, Michael Walle <michael@walle.cc> wrote:
> > > Replace rand() with the functions from lib/. The link-local network
> > > code stores its own seed, derived from the MAC address. Thus making it
> > > independent from calls to srand() in other modules.
> > > 
> > > Signed-off-by: Michael Walle <michael@walle.cc>
> > > Cc: Joe Hershberger <joe.hershberger@ni.com>
> > > ---
> > 
> > Acked-by: Joe Hershberger <joe.hershberger@ni.com>
> 
> build-testing mpc83xx on the current u-boot-arm tree
> (v1.3.4-10940-gb003588, which contains this patch) produces the
> following new warning:
> 
> $ ./MAKEALL MPC8313ERDB_66
> Configuring for MPC8313ERDB_66 - Board: MPC8313ERDB, Options: SYS_66MHZ
>    text	   data	    bss	    dec	    hex	filename
>  271988	  13976	  41768	 327732	  50034	./u-boot
> In file included from bootp.c:15:0:
> net_rand.h: In function 'srand_mac':
> net_rand.h:40:2: warning: implicit declaration of function 'srand'
> [-Wimplicit-function-declaration]
> 
> How do we fix this?

sth like that for example?

diff --git a/net/bootp.c b/net/bootp.c
index 0f0867b..87e30ab 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -12,12 +12,14 @@
 #include <command.h>
 #include <net.h>
 #include "bootp.h"
-#include "net_rand.h"
 #include "tftp.h"
 #include "nfs.h"
 #ifdef CONFIG_STATUS_LED
 #include <status_led.h>
 #endif
+#ifdef CONFIG_BOOTP_RANDOM_DELAY
+#include "net_rand.h"
+#endif
 

-- 
Michael