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Date:      Tue, 5 Sep 2017 14:38:41 -0700
From:      Mark Millard <markmi@dsl-only.net>
To:        Jan Beich <jbeich@FreeBSD.org>
Cc:        freebsd-arm <freebsd-arm@freebsd.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, x11@FreeBSD.org, FreeBSD Ports <freebsd-ports@freebsd.org>
Subject:   Re: x11/pixman vs. clang 5 arm assembler handling: "error: unknown directive" and the like
Message-ID:  <3354A557-4707-40C1-916F-6E0C066A7A80@dsl-only.net>
In-Reply-To: <8A60350E-0D95-4D47-A7E8-6AF1A7727A93@dsl-only.net>
References:  <5CAB42C9-984A-4BC9-A4CC-4BDD74932084__24380.8804465973$1504641758$gmane$org@dsl-only.net> <fuc0-52ge-wny@FreeBSD.org> <8A60350E-0D95-4D47-A7E8-6AF1A7727A93@dsl-only.net>

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On 2017-Sep-5, at 1:33 PM, Mark Millard <markmi@dsl-only.net> wrote:

> On 2017-Sep-5, at 1:13 PM, Jan Beich <jbeich at FreeBSD.org> wrote:
>=20
>> Mark Millard <markmi at dsl-only.net> writes:
>>=20
>>> In an experiment with building some arm ports via poudriere
>>> cross building on amd64 I got the following. It appears that
>>> clang does not handle all the assembler notation and a
>>> different assembler might need to be used for x11/pixman .
>>> (The x11/pixman usage is indirect from having specified
>>> x11/lumina and x11/xscreensaver ).
>>>=20
>>> --- pixman-arm-simd-asm.lo ---
>>> /bin/sh ../libtool     --mode=3Dcompile /nxb-bin/usr/bin/cc =
-DHAVE_CONFIG_H  -I. -I..   -mcpu=3Dcortex-a7   -O2 -pipe =
-mcpu=3Dcortex-a7  -g -fno-strict-aliasing -MT pixman-arm-simd-asm.lo =
-MD -MP -MF .deps/pixman-arm-simd-asm.Tpo -c -o pixman-arm-simd-asm.lo =
pixman-arm-simd-asm.S
>>> libtool: compile:  /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I.. =
-mcpu=3Dcortex-a7 -O2 -pipe -mcpu=3Dcortex-a7 -g -fno-strict-aliasing =
-MT pixman-arm-simd-asm.lo -MD -MP -MF .deps/pixman-arm-simd-asm.Tpo -c =
pixman-arm-simd-asm.S  -fPIC -DPIC -o .libs/pixman-arm-simd-asm.o
>>> <instantiation>:1:1: error: unknown directive
>>> . . .
>>> --- pixman-arm-simd-asm.lo ---
>>> .func fname
>>> ^
>>=20
>> Does it still happen after =
https://svnweb.freebsd.org/changeset/ports/449285 ?
>=20
> . . .
> This is based on /usr/ports having -r449313 . (I updated based on
> your question.)
> . . .

The rebuild of the ports rebuilt x11/pixman earlier in the sequence
than I had guessed so it took less time to get to that point:

[00:51:26] [03] [00:00:00] Building x11/pixman | pixman-0.34.0
. . .
[00:54:15] [03] [00:02:49] Finished x11/pixman | pixman-0.34.0: Success

So -r449285 has avoided using clang's internal assembler.

=3D=3D=3D
Mark Millard
markmi at dsl-only.net




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