svn commit: r220401 - in head: . share/mk tools/build/mk tools/build/options

[Alexander Best]

On Wed Apr  6 11, Juli Mallett wrote:
> On Wed, Apr 6, 2011 at 14:04, Alexander Best <arundel at freebsd.org> wrote:
> > On Wed Apr  6 11, Ulrich Spoerlein wrote:
> >> Author: uqs
> >> Date: Wed Apr  6 20:08:23 2011
> >> New Revision: 220401
> >> URL: http://svn.freebsd.org/changeset/base/220401
> >>
> >> Log:
> >>   Complete WITHOUT_CXX support. It implies WITHOUT_GROFF and
> >>   WITHOUT_CLANG.
> >
> > is there no way to build clang/llvm without CXX support?
> 
> Clang and LLVM are written in C++.  Even if their support for
> compiling C++ could be disabled, you'd still need a C++ cross-compiler
> to build them, which ought to be disabled by WITHOUT_CXX, right?

good point. is it even possible to build a world *with* C++ support, if the
installed world *doesn't* have C++ support? is the C++ part of gcc written in
C? if that's the case it's possible.

couldn't we install clang *without* C++ support and then do the following to
build it *with* C++ support:

1) use gcc to build a bootstrap gcc *with* C++ support
2) use the bootstrap gcc to build clang

cheers.
alex

-- 
a13x