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Date:      Thu, 17 Nov 2016 12:26:30 +0000
From:      Matthew Seaman <matthew@FreeBSD.org>
To:        freebsd-questions@freebsd.org
Subject:   Re: what is this libclang stuff and why does it take so long in make build world?
Message-ID:  <9ff8c484-b36a-8c9e-326c-2ed146d2afca@freebsd.org>
In-Reply-To: <47ae909e-9415-0d32-0b68-847f38ef9a8f@kukulies.org>
References:  <47ae909e-9415-0d32-0b68-847f38ef9a8f@kukulies.org>

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From: Matthew Seaman <matthew@freebsd.org>
To: freebsd-questions@freebsd.org
Message-ID: <9ff8c484-b36a-8c9e-326c-2ed146d2afca@freebsd.org>
Subject: Re: what is this libclang stuff and why does it take so long in make
 build world?
References: <47ae909e-9415-0d32-0b68-847f38ef9a8f@kukulies.org>
In-Reply-To: <47ae909e-9415-0d32-0b68-847f38ef9a8f@kukulies.org>

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On 11/17/16 11:39, Christoph P.U. Kukulies wrote:
> I find that
>=20
>=20
> make buildworld
>=20
>=20
> deals a half eternity with compiling /usr/obj/usr/src/tmp/usr/src/lib/c=
lang
>=20
>=20
> What is this c++ stuff actually ?

It's the system C and C++ compiler and much of the rest of the
toolchain.  http://www.llvm.org/

Yes, it can take a very long time to build compared to the rest of the
system.  but time spent on the compiler means that when it compiles
other software, it will be speedier, and that the resultant software
will itself perform better.

	Cheers,

	Matthew



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