Re: [configure bus while building] flex beta version 2.5.15

[Paul Eggert]

> From: Bruce Lilly <address@hidden>
> Date: Thu, 29 Aug 2002 10:40:48 -0400
> 
> $ uname -a
> UNIX dim SYSTEM5 3.51m mc68k

Can you give more details about this box?  It appears to be SVR3 but I
don't know what that ".51m" means.  (Wow, I haven't run into a real
SVR3 box in _ages_.)

> > That's better, indeed.  Just -f instead of -x.
> 
> Using -x ensures that only executables are found; a further

Older versions of "test" do not support "-x", so a plain "test -x" is
a portability no-no.  This is documented in the Autoconf manual under
"Limitations of Builtins".