K 10
svn:author
V 6
jbeich
K 8
svn:date
V 27
2015-10-31T14:24:16.432059Z
K 7
svn:log
V 1021
multimedia/openh264: unbreak build on aarch64

/nxb-bin/usr/bin/cc -O2 -pipe  -I/usr/local/include/gmp-api -fno-strict-aliasing  -DHAVE_NEON_AARCH64 -fPIC -DGENERATED_VERSION_HEADER -I./codec/common/arm64/ -I./codec/api/svc -I./codec/common/inc   -c -o codec/common/arm64/copy_mb_aarch64_neon.o codec/common/arm64/copy_mb_aarch64_neon.S
<instantiation>:4:1: error: unknown directive
.func WelsCopy8x8_AArch64_neon
^
codec/common/arm64/copy_mb_aarch64_neon.S:186:1: note: while in macro instantiation
WELS_ASM_AARCH64_FUNC_BEGIN WelsCopy8x8_AArch64_neon
^
<instantiation>:2:1: error: unknown directive
.endfunc
^
codec/common/arm64/copy_mb_aarch64_neon.S:196:1: note: while in macro instantiation
WELS_ASM_AARCH64_FUNC_END
^
[...]

Backout r394430 as armv6 can do NEON but not runtime detection on
FreeBSD while armv8 always has NEON. So, use devel/binutils and detect
NEON via compiler defines e.g.,

  # To enable NEON on armv6 put the following into make.conf
  CFLAGS+=	-march=armv7-a

PR:		201273 (ping)
MFH:		2015Q4

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