John Darrington <[EMAIL PROTECTED]> writes:
> On Thu, May 29, 2008 at 09:08:55AM -0700, Ben Pfaff wrote:
> John Darrington <[EMAIL PROTECTED]> writes:
>
> > The only two test failures now should be two which use $PPID which is
> > a bash thing and non-portable.
>
> We could do something like
> if test -z "$PPID"; then
> exit 77 # Make automake ignore this test
> fi
> to cater to systems that don't have it.
>
> That would be one option.
>
> But it's not a bashism. This is what SUSv3 says:
>
> Well it's not recognised by the /bin/sh which ships with Solaris9.
Solaris /bin/sh is not a POSIX shell, alas.
Solaris does come with a POSIX shell, but it's somewhere like
/usr/ucb/bin.
> One construct which seems to work both on solaris and on GNU/Linux is
> "ps -o ppid -p $$ | tail -1" but I don't know what BSD and all the
> other OSes might think of that.
If it comes down to that, it would be much better, in my opinion,
to compile a small C program to do this, e.g.
#include <signal.h>
int main(void)
{
kill(getppid(), SIGTERM);
}
--
"Unix... is not so much a product
as it is a painstakingly compiled oral history
of the hacker subculture."
--Neal Stephenson
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