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- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Subject: Re: CLIB
- From: "Zack Weinberg" <zackw at stanford dot edu>
- Date: Thu, 3 May 2001 10:36:10 -0700
- Cc: gcc at gcc dot gnu dot org
- References: <10105031052.AA12479@vlsi1.ultra.nyu.edu>
On Thu, May 03, 2001 at 06:52:30AM -0400, Richard Kenner wrote:
> I see this was removed. What is its replacement?
It depends what you need it for.
> There are two issued here:
> (1) You sometimes need to specify additional libs manually. For example,
> to build a VMS cross-compiler from Dec Unix, you need to add -lm to CLIB.
This really shouldn't be necessary. What causes it?
> (2) -lexc used to be in an x- file for Alpha, but isn't there anymore
> and it isn't getting specified, so GNAT won't link.
I asked what -lexc was for and no one said anything. I assumed it was
The fix here is to figure out exactly which executables need -lexc,
add an autoconf probe for its existence, and @-substitute it onto the
link line for just those executables. It's important not to link
random programs with libraries they may not need, particularly if
those libraries are shared.