`__NR_vfork' undeclared

[Geoff Keating]

> From: "Jack Howarth" <howarth@bromo.med.uc.edu>
> Date: Thu, 1 Apr 1999 08:58:59 -0500
> 
>     Has anyone else run across this problem on glibc 2.1.1pre1. In building
> the strace 3.1 on linuxppc (egcs 1.1.2, binutils 2.9.1.0.22b, Linux 2.2.4 and
> glibc 2.1.1pre1) I am now finding a compile failure of...
> 
> gcc -b ppc-redhat-linux -Wall -DHAVE_CONFIG_H   -I. -Ilinux/ppc -I./linux/ppc -Ilinux -I./linux -O2 -fsigned-char -c syscall.c
> syscall.c: In function `internal_syscall':
> syscall.c:489: `__NR_vfork' undeclared (first use in this function)
> syscall.c:489: (Each undeclared identifier is reported only once
> syscall.c:489: for each function it appears in.)
> make: *** [syscall.o] Error 1
> 
> ...which seems very odd since the header syscall.h in /usr/include/bits
> has..
> 
> #define SYS_vfork __NR_vfork
> 
> the /usr/include/sys/syscall.h indicates that the linux headers should
> provide these? Unfortunately I don't see this declared anywhere in
> /usr/include/linux. Is anyone seeing this on other platforms?

Perhaps you have an old version of the headers?

Mine have:
...
#define __NR_getpmsg            187     /* some people actually want streams */
#define __NR_putpmsg            188     /* some people actually want streams */
#define __NR_vfork              189

They are version 2.2.2.

-- 
Geoffrey Keating <geoffk@ozemail.com.au>