make-syscalls.sh broken :-(

[Andreas Schwab]

Andreas Jaeger <aj@suse.de> writes:

|> This line in make-syscalls.sh:
|> 
|>     # find the name without leading underscores
|>     set `echo $strong $weak |tr -s ' \t' '\12' |sed '/^_/d'`
|> 
|> doesn't work with these declarations in
|> sysdeps/unix/sysv/linux/mips/syscalls.list:
|> 
|> s_llseek	llseek	_llseek		i:iiipi	__syscall__llseek
|> s_sigaction	sigaction sigaction	i:ipp	__syscall_sigaction
|> s_ustat		ustat	ustat		i:ip	__syscall_ustat
|> sys_mknod	xmknod	mknod		i:sii	__syscall_mknod
|> 
|> For testing run this:
|> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|> #! /bin/bash
|> 
|> strong="__syscall__llseek"
|> echo $strong $weak |tr -s ' \t' '\12' |sed '/^_/d'
|> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|> 
|> The output is empty - and therefore set is invoked as set `` - which
|> puts the whole environment into sysd-syscalls :-(
|> 
|> What's the proper way to fix this?

What about this:

    set x `...`
    callname=$2
    if test -n "$callname"; then
        ....

Andreas.

-- 
Andreas Schwab                                  "And now for something
SuSE Labs                                        completely different."
Andreas.Schwab@suse.de
SuSE GmbH, Schanzäckerstr. 10, D-90443 Nürnberg