K 10
svn:author
V 3
imp
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svn:date
V 27
2017-08-02T15:20:57.478686Z
K 7
svn:log
V 419
Changes to prepare for aarch64 support

o Generalize support for different architectures.
o Add specific support for aarch64
o Add ALLWINNER64 as a new family using aarch64, but no ports use it yet.
o CROSS_COMPILE is the string to pass to u-boot
o COMPILER is the FreeBSD port (we assume gcc since that works better
  typically than clang).

Submitted by: Emmanuel Vadot (the aarch64 bits, hacked by me to be generic)

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