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From: Dimitry Andric <dim@FreeBSD.org>
Subject: Re: bin/178203: clang not properly sourcing headers in buildworld
 when WITH_CLANG_IS_CC is set
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The following reply was made to PR bin/178203; it has been noted by GNATS.

From: Dimitry Andric <dim@FreeBSD.org>
To: bug-followup@FreeBSD.org,
 yaneurabeya@gmail.com
Cc:  
Subject: Re: bin/178203: clang not properly sourcing headers in buildworld when WITH_CLANG_IS_CC is set
Date: Sat, 27 Apr 2013 22:22:29 +0200

 Which stage(s) of buildworld do you mean?  If you mean stages 1 through =
 3, then this is working as designed: the initial stages use headers and =
 libraries from the host system.  Stages 4 and 5 use headers from =
 ${WORLDTMP} (usually /usr/obj/usr/src/tmp).
 
 To investigate your issue, can you please post a (compressed) copy of a =
 log of such a buildworld session?  And try to point out where any errors =
 and/or problematic compilation commands occur.
 
 Also, exact copies of of your make.conf and src.conf are required, plus =
 all command line flags and environment variables you are using for your =
 buildworld session.
 
 P.S.: WITH_CLANG has always been enabled, and WITH_CLANG_IS_CC is =
 default since a few months, so there is no need to specify these =
 settings explicitly anymore.