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pkubaj
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2019-06-21T11:43:09.617833Z
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V 421
biology/abyss: fix build on big-endian architectures

Use new GCC from ports on GCC architectures.

Merge 25eb9d2a914fb211fdfe04fcda5593f29fd23ff5, fixes build on GCC architectures.

Also include sys/endian.h and use bswap32 and bswap64 for byte-swapping (PR at https://github.com/bcgsc/abyss/pull/287 ).

PR:		238737
Approved by:	yuri (maintainer), mat (mentor)
Differential Revision:	https://reviews.freebsd.org/D20717

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