[Bug 201273] multimedia/openh264 fails to build on armv6

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201273

            Bug ID: 201273
           Summary: multimedia/openh264 fails to build on armv6
           Product: Ports & Packages
           Version: Latest
          Hardware: arm
               URL: http://chips.ysv.freebsd.org/data/11armv6-default/2015
                    -06-25_17h58m24s/logs/errors/openh264-1.4.0_2.log
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: gecko at FreeBSD.org
          Reporter: mikael.urankar at gmail.com
                CC: freebsd-arm at FreeBSD.org
                CC: freebsd-arm at FreeBSD.org
          Assignee: gecko at FreeBSD.org
             Flags: maintainer-feedback?(gecko at FreeBSD.org)

Created attachment 158258
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=158258&action=edit
armv6 fix

Hi,

This port utilize GAS assembly and clang fails to build some assembler files.

/nxb-bin/usr/bin/cc -O2 -pipe -mfloat-abi=softfp  -I/usr/local/include/gmp-api
-fno-strict-aliasing  -DHAVE_NEON -fPIC -DGENERATED_VERSION_HEADER
-I./codec/common/arm/ -I./codec/api/svc -I./codec/common/inc   -c -o
codec/common/arm/copy_mb_neon.o codec/common/arm/copy_mb_neon.S
<instantiation>:5:1: error: unknown directive
.func WelsCopy8x8_neon

We don't have support for neon (as of today)

The attached patch fixes the build on arm.
build log with TEST option enabled (tests were done on real hw):
http://mikael.urankar.free.fr/FreeBSD/arm/build_logs/openh264-1.4.0_2.log

Thanks

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