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Re: configuring in-tree gmp/mpfr with "none"?

From: Paolo Bonzini <bonzini at gnu dot org>
To: Jay <jayk123 at hotmail dot com>
Cc: Andrew Pinski <pinskia at gmail dot com>, gcc at gcc dot gnu dot org
Date: Thu, 31 Jul 2008 15:53:43 +0200
Subject: Re: configuring in-tree gmp/mpfr with "none"?
References: <BAY139-W162C29DAF463FFF6ABB94FE6AE0@phx.gbl> <de8d50360806171039g13d89b36necbc8a67b853e278@mail.gmail.com> <BAY139-W155015ADB5180EDEAB8B9CE6AB0@phx.gbl> <de8d50360806180353x64578a63y20508f5841efd1f@mail.gmail.com> <COL101-W53CA343E1A70D50CEF70C1E67C0@phx.gbl>

Jay wrote:

Andrew, Can you explain more why?

Because at some point, no released version worked on intel macs.

And then gmp/configure runs flex.
And then sometimes?always flex tries to run getenv("M4") || "m4".

Yes, Flex uses m4.

gmp/configure probably should not be setting M4

Yes, I think that setting M4=m4-not-needed should be done only for debugging purposes. Otherwise, GMP should always look for m4 in its configure script, and set it to a valid value in the makefile.

Paolo

References:
- RE: configuring in-tree gmp/mpfr with "none"?
  - From: Jay

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