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Re: 2.13 issue with AC_PROG_CXX

From: Alexandre Oliva
Subject: Re: 2.13 issue with AC_PROG_CXX
Date: 22 Feb 2001 11:27:25 -0300
User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.1 (Cuyahoga Valley)

On Feb 21, 2001, Gray Watson <address@hidden> wrote:

> Am I missing something?

Yep.  In fact, so is libtool.  And what we're missing is a feature in
autoconf :-(

I wish all of AC_PROG_CC, AC_PROG_CXX, etc, would have variants or
extra arguments that would cause them to be non-fatal in case a
compiler isn't found.  The multi-language libtool, for example, has
optional support for C++ and GCJ.  The trick we used was to run:

pushdef([AC_MSG_ERROR], [CXX=no])
AM_CONDITIONAL(HAVE_CXX, [test "x$CXX" != xno])

But this is gross.

Alexandre Oliva   Enjoy Guarana', see
Red Hat GCC Developer                  address@hidden,}
CS PhD student at IC-Unicamp        address@hidden,}
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