Re: [patch/rfc] Build inf-ptrace.o when ptrace available

[Daniel Jacobowitz <drow@false.org>]

On Mon, Oct 04, 2004 at 10:24:30AM -0400, Andrew Cagney wrote:
> >   Date: Fri, 01 Oct 2004 16:39:57 -0400
> >   From: Andrew Cagney <cagney@gnu.org>
> >
> >   Hello,
> >
> >   This modifies GDB's configure to build inf-ptrace.o whenever the ptrace 
> >   call is available.  Thoughts?
> >
> >I'm not sure.  On the one hand, yes, inf-ptrace should compile & link
> >on any system that has ptrace.  On the other hand, actually using this
> >stuff is still a per-target decision, and there are quite a few
> >targets that have ptrace, but dont use it (Solaris, OSF/1, HP-UX).
> 
> FYI, it isn't _linked_, except on GDB executables that use it.
> 
> >I'm also thinking about the ultimate replacement of the makefile
> >fragments in config/*/.  I think we should move towards a configure
> >script where we can use wildcards to set some sensible defaults.
> >There we'd have something like:
> >
> >*-*-*bsd*)
> >  native_sources="inf-ptrace.c bsd-nat.c"
> >  ;;
> >
> >*-*-linux*)
> >  native_sources="inf-ptrace.c linux-nat.c"
> >  ;;

This is just a style change.  Functionally, it is _exactly_ the same as
having a makefile fragment.  Personally, I prefer the makefile
fragments.

> Going forward we need to get GNU/Linux and other systems using procfs 
> and an obvious migration path for that is to build support for both 
> procfs and ptrace into a single GDB.  The default being to use ptrace.

Huh?  We don't "need" to do this, and in fact it's not even clearly
desirable.  I don't get where you're coming from.  It's also 100%
orthogonal to this issue.

-- 
Daniel Jacobowitz