On Apr 27, 2014, at 10:30 AM, Ian Lepore <i...@freebsd.org> wrote:

> On Sun, 2014-04-27 at 22:25 +0800, Julian Elischer wrote:
>> I need to hold off using CLANG for a while at $JOB. We are moving to a 
>> newer FBSD in the vicinity of 10.0 but we need to keep the gcc in hte 
>> picture for a bit longer before switching.  What options do I put into 
>> various /etc/make.conf to keep CLANG out ofhte picture until we are 
>> ready for it?
>> From reading various posts I see:
>> CC=gcc
>> CXX=g++
>> CPP=gcc -E
>> but that doesn't seem complete to me.
>> For now I want to not compile clang in our official build environment.
>> (and obviously not use it until we are ready for it later this year.)
>> What other hooks do I need to set?
>> Julian
> We've got the same situation at work.  What I'm using right now to build
> 11-current @ r264151 is this:
>       WITH_GCC=yes \
>       WITH_GNUCXX=yes \
>       WITHOUT_CLANG=yes \
>       WITHOUT_CLANG_IS_CC=yes \
> But that's now several weeks out of date, and there are two new knobs I
> haven't investigated yet: WITH_CLANG_BOOTSTRAP and WITH_GCC_BOOTSTRAP.

Just to be clear, you’ll need WITHOUT_CLANG_BOOTSTRAP and WITH_GCC_BOOTSTRAP 
for -current, but not -stable.

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