Re: Help interpreting a linker error? (c++)

["Sepherosa Ziehau" <sepherosa@xxxxxxxxx>]

On 1/18/07, walt <wa1ter@myrealbox.com> wrote:
> I just updated my -CURRENT machine, so lots of things have changed,
> and I normally have trouble debugging linker errors anyway :o(
>
> My problem is with pkgsrc/sysutils/fam:
>
> Listener.o(.text+0x80): In function `Listener::Listener(bool, bool, unsigned
> long, unsigned long)':
> : undefined reference to `socket(int, int, int)'
>
> When I do 'nm Listener.o' I see this line:
>  U _Z6socketiii
>
> Is that the symbol the linker is complaining about?  Does the 'iii' stand
> for (int, int, int)?
>
> AFAICT, socket() is defined in libc, right?  If socket() is defined in libc,
> then why should the linker have trouble finding it?  (Well, libc does *not*
> define _Z6socketiii, I'm almost certain.)
>
> Also, can anyone running the latest HEAD reproduce this error?

Sorry, my fault.  Please test the attached patch.

Best Regards,
sephe

--
Live Free or Die

--- socket.h.orig	2007-01-18 09:29:41.842066274 +0800
+++ socket.h	2007-01-18 09:29:32.097235497 +0800
@@ -474,7 +474,13 @@
 #endif /* !_KERNEL */
 
 #if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL)
+#ifndef _SYS_CDEFS_H_
+#include <sys/cdefs.h>
+#endif
+
+__BEGIN_DECLS
 int	socket (int, int, int);
+__END_DECLS
 #endif	/* !_KERNEL || _KERNEL_VIRTUAL */
 
 #endif /* !_SYS_SOCKET_H_ */