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Date:      Wed, 30 May 2012 16:43:48 +0200
From:      Olivier Smedts <olivier@gid0.org>
To:        Zhihao Yuan <lichray@gmail.com>
Cc:        FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: Different features on different CPU cores?!
Message-ID:  <CABzXLYPNwQoHnjBTkWQi%2Bqz0kce9-5fbV8uhhzRpd_Xc6acf5w@mail.gmail.com>
In-Reply-To: <CAGsORuCdZWmDhYHdiDirpSBzXtv7%2BW2rVcfiXFBFzHgWxY1S7g@mail.gmail.com>
References:  <CAGsORuBGpwuuozvob8TqnfPsAxaZYGpy4FPeGX2c9-K1RF3Qaw@mail.gmail.com> <4FC62DDD.6060503@protected-networks.net> <CAGsORuCdZWmDhYHdiDirpSBzXtv7%2BW2rVcfiXFBFzHgWxY1S7g@mail.gmail.com>

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2012/5/30 Zhihao Yuan <lichray@gmail.com>:
> OK... I see what happened:
>
> ~> cc a.c
> ~> gcc46 a.c
> In file included from a.c:1:0:
> /usr/local/lib/gcc46/gcc/x86_64-portbld-freebsd8.3/4.6.3/include/pmmintri=
n.h:32:3:
> error: #error "SSE3 instruction set not enabled"
> ~> clang a.c
> In file included from a.c:1:
> /usr/local/bin/../lib/clang/3.1/include/pmmintrin.h:28:2: error: "SSE3
> =A0 =A0 =A0instruction set not enabled"
> #error "SSE3 instruction set not enabled"
> =A0^
> 1 error generated.
> ~> gcc46 -msse3 a.c
> ~> clang -msse3 a.c
> ~>
>
> So the chromium port does not define -msse3/-mssse3 explicitly, so it
> does not work with gcc46/clang.

Isn't it /usr/share/mk/bsd.cpu.mk's job ?
# make -V CPUTYPE
core2
# make -V MACHINE_CPU
ssse3 sse3 amd64 sse2 sse mmx

I don't know if that's for the base system solely or if it works for
ports too, but at least on this computer I can compile chromium
19.0.1084.52. Maybe you use CPUTYPE?=3Dnative, which is unsupported by
bsd.cpu.mk.

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