Patch to use CXX_libstdcxx breaks V3

[Alexandre Oliva]

On Nov  5, 2000, Mark Mitchell <mark@codesourcery.com> wrote:

> 	  * acinclude.m4 (CXX): Prevent it from being cached.
> 	  * aclocal.m4, configure, */Makefile.in: Rebuilt.

> This patch will break the V3 build on any platform without g++ already
> installed, as far as I can see.

Ouch!  I'm surprised; it did work for me :-(

> The problem is that AC_CHECK_PROGS doesn't deal well with absolute
> paths.

Indeed.

> I think that adding:

>   CXX_libstdcxx=$CXX

> right before AC_CHECK_PROGS should fix it; I'm going to try that.

This will do The Right Thing (TM), indeed.  Thanks for fixing it.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
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