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Date: Mon, 03 Sep 2012 20:42:36 +0200
From: Dimitry Andric <dim@FreeBSD.org>
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Cc: freebsd-ports <freebsd-ports@freebsd.org>, HU Dong <itechbear@gmail.com>
Subject: Re: mplayer-1.1.r20120721 doesn't compile with clang release_30
	142614
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On 2012-09-03 15:19, Kimmo Paasiala wrote:
> On Mon, Sep 3, 2012 at 3:42 PM, Frank Seltzer <frank_s@bellsouth.net> wrote:
...
>>> % clang --version
>>> FreeBSD clang version 3.0 (branches/release_30 142614) 20111021
...
>> with hundreds and hundreds of this type of error in between:
>>
	>>
>> mp3lib/decode_i586.c:65:23: error: unknown token in expression
>> "        pushl %%eax\n\t"
>>                        ^
>> <inline asm>:22:18: note: instantiated into assembly here
>>                  movl 4+(%esp),%edx
>>                          ^
>> mp3lib/decode_i586.c:68:23: error: unknown token in expression
>> "        pushl %%eax\n\t"
>>                        ^
>> <inline asm>:25:18: note: instantiated into assembly here
>>                  movl 8+(%esp),%eax

This looks like some sort of trouble with the inline assembly, which may
not work with the version of clang you are using.  I will have a look at
which version you will minimally need.  Meanwhile, you can attempt to
use -no-integrated-as for the files containing the inline assembly.


> Has the building of those ports worked before with clang(1)? There are
> still quite a few ports that rely on gcc's pecularities that clang can
> not yet do. Use exceptions in /etc/make.conf for ports that fail to
> build with clang, for example this is what I have to use for
> sysutils/lsof:
>
>
> .if ${.CURDIR:M*/sysutils/lsof}
> CC=gcc
> CXX=g++
> CPP=gcc -E
> .endif

Note that building lsof works just fine with clang after r239462 (where
a recent clang 3.2 snapshot was imported).