Andrius Morkūnas wrote:
On Mon, 03 May 2010 13:38:07 +0300, C. Bergström
<cbergst...@pathscale.com> wrote:
I can understand from a commercial perspective why having a permissive
licensed production compiler could be good.. I can understand why many
people don't like gcc or fsf, but what does the BSD community get?
1) Performance?
2) Robustness?
3) ... ?
Seeing how often I see this question, maybe I'll write (or force
rdivacky@ to do it) an explanation why clang/llvm is good for FreeBSD.
Anyway, for now, very short version:
1) Performance - in the long run, yes. gcc 4.2 in base will not be
updated anymore. llvm on the other hand is actively developed
and includes fancy stuff that new CPUs have. Clang also compiles
stuff faster than gcc.
What fancy stuff is in the ports tree which clang will take advantage of?
2) Robustness - not yet. It's still too early to rely on stability of
clang/llvm, but eventually it will get better.
<sarcasm>I wish someone would just buy and open source EDG.. It would be
a lot faster and less expensive</sarcasm>
3) BSD-like license, C99 and eventually C++0x support.
I'm too lazy to think about this right now.
What's really the goal here?
To quote myself: "make clang and ports to be friendly with each other".
My goals are stated in the initial email and the wiki. I'll update the
wiki with some clarification on what are and what are not my goals when
I have more time.
What problem are you working to solve?
The problem is that ports tree is full of assumptions that compiler is
gcc. At the moment, there is no way to use alternative compiler without
breaking too many things.
This is something I can clearly relate to and would see as beneficial.
I can't say the gentoo/arch approach is correct, but it may not be a bad
idea to steal whatever they have have done correctly. I'd be more than
happy to help or work with you if it's feasible to add another compiler
to this project.
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