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Date: Fri, 21 Jun 2013 12:57:39 -0500
From: "Yaakov (Cygwin/X)" <yselkowitz AT users DOT sourceforge DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: libtool weirdness (was Re: Broken MPIR 2.6.0 on Cygwin64)
References: <CAHhGz88vEgzz1i4sUjE0ugNzaf+j++r1_qT=Y6abMaB4_F=PCg AT mail DOT gmail DOT com> <20130621083039 DOT GH1620 AT calimero DOT vinschen DOT de> <kq1694$ung$1 AT ger DOT gmane DOT org> <20130621094344 DOT GB25850 AT calimero DOT vinschen DOT de> <20130621113357 DOT GF25850 AT calimero DOT vinschen DOT de>
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On 2013-06-21 06:33, Corinna Vinschen wrote:
> as our resident autotools/libtool experts, could you please have a
> look here?

The problem is, as a fork of GMP, it too tries to be too clever with 
libtool in an attempt to shorten configure times by avoiding the CXX/F77 
checks.  Those hacks are not only unnecessary with libtool 2.x, they are 
incompatible with it.

Run the following to remove the offending 25 lines of configure:

sed -i -e '/# Enable CXX/,/AC_PROVIDE/d' configure.in

Then you still need to teach configure.in about Cygwin wrt -f 
win32/win64 and which asm sources to use before running (cyg)autoreconf.


Yaakov


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