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Re: PATCH: libcpp/configure.ac

From: Paolo Bonzini <bonzini at gnu dot org>
To: rittle at labs dot mot dot com
Cc: gcc-patches at gcc dot gnu dot org
Date: Wed, 23 Sep 2009 10:52:38 +0200
Subject: Re: PATCH: libcpp/configure.ac
References: <200909222310.n8MNAU8c003059@latour.labs.mot.com>

On 09/23/2009 01:10 AM, Loren James Rittle wrote:

Found while trying to bootstrap gcc with --enable-build-with-cxx on
*-*-freebsd*.  Bootstrap fails within libcpp.  It turns out that
AC_LANG(C) or AC_CHECK_HEADERS(...) after AC_LANG(C) checks various
headers "for free" which are not checked with AC_LANG(C++).  The only
"for free" header macro that I could see that we use inside libcpp is
sys/stat.h (which happens to be required on *-*-freebsd* to use
"struct stat").

Ok.

Paolo

References:
- PATCH: libcpp/configure.ac
  - From: Loren James Rittle

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