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Date:      Sat, 15 Sep 2012 10:00:22 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        KCasey42 <kcasey42@gmail.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Unable to build FreeBSD xdev tools for ARM on FreeBSD 10.0-CURRENT
Message-ID:  <C4C286C9-2B1F-4284-9E30-DB5F5CD7FE00@bsdimp.com>
In-Reply-To: <5053C7D1.2080308@gmail.com>
References:  <5053C7D1.2080308@gmail.com>

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I've never had this working for clang, only gcc.  I've never had cross =
building working for ARM.  Perhaps we should fix this to force gcc until =
the underlying issues can be fixed.  Check to see that you don't have =
WITH_CLANG_AS_CC defined, or CC=3Dclang.

Warner

On Sep 14, 2012, at 6:12 PM, KCasey42 wrote:

> Attempting to build the cross tools
> # cd /usr/src
> # make xdev XDEV=3Darm XDEV_ARCH=3Darm
>=20
> on the following system
>=20
> # uname -a
> FreeBSD xxx.xxx.xxx 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r240450: Thu =
Sep 13 05:49:13 PDT 2012 =
root@xxx.xxx.xxx:/usr/src/sys/amd64/compile/silver  amd64
>=20
> using
>=20
> # clang --version
> FreeBSD clang version 3.2 (trunk 162107) 20120817
> Target: x86_64-unknown-freebsd10.0
> Thread model: posix
>=20
> produces the following error
>=20
> clang  -O -pipe  -fpic -fvisibility=3Dhidden -DVISIBILITY_HIDDEN =
-std=3Dgnu99 -Qunused-arguments  -c =
/usr/src/lib/libcompiler_rt/__sync_fetch_and_add_4.c -o =
__sync_fetch_and_add_4.o
> In file included from =
/usr/src/lib/libcompiler_rt/__sync_fetch_and_add_4.c:6:
> /usr/src/lib/libcompiler_rt/__sync_fetch_and_op_n.h:34:1: error: =
conflicting
>      types for '__sync_fetch_and_add_4'
> NAME(volatile TYPE *ptr, TYPE value)
> ^
> /usr/src/lib/libcompiler_rt/__sync_fetch_and_add_4.c:2:15: note: =
expanded from
>      macro 'NAME'
> #define NAME            __sync_fetch_and_add_4# clang --version
> FreeBSD clang version 3.2 (trunk 162107) 20120817
> Target: x86_64-unknown-freebsd10.0
> Thread model: posix
>=20
>                        ^
> /usr/src/lib/libcompiler_rt/__sync_fetch_and_op_n.h:34:1: note:
>      '__sync_fetch_and_add_4' is a builtin with type 'int (volatile =
int *, int,
>      ...)'
> NAME(volatile TYPE *ptr, TYPE value)
> ^
> /usr/src/lib/libcompiler_rt/__sync_fetch_and_add_4.c:2:15: note: =
expanded from
>      macro 'NAME'
> #define NAME            __sync_fetch_and_add_4
>                        ^
> In file included from =
/usr/src/lib/libcompiler_rt/__sync_fetch_and_add_4.c:6:
> /usr/src/lib/libcompiler_rt/__sync_fetch_and_op_n.h:34:1: error: =
definition of
>      builtin function '__sync_fetch_and_add_4'
> NAME(volatile TYPE *ptr, TYPE value)
> ^
> /usr/src/lib/libcompiler_rt/__sync_fetch_and_add_4.c:2:15: note: =
expanded from
>      macro 'NAME'
> #define NAME            __sync_fetch_and_add_4
>                        ^
> 2 errors generated.
> *** [__sync_fetch_and_add_4.o] Error code 1
>=20
> Stop in /usr/src/lib/libcompiler_rt.
> *** [lib/libcompiler_rt__PL] Error code 1
>=20
> Stop in /usr/src.
> *** [libraries] Error code 1
>=20
> Stop in /usr/src.
> *** [_xi-libraries] Error code 1
>=20
> Stop in /usr/src.
> *** [xdev] Error code 1
>=20
> Stop in /usr/src.
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