K 10
svn:author
V 6
pkubaj
K 8
svn:date
V 27
2021-01-01T15:01:28.860123Z
K 7
svn:log
V 187
math/openblas: fix build on powerpc64le

Use GCC to build, like on powerpc64.
Since LE supports DYNAMIC_ARCH, add it.
Correct check for 64-bit architectures.

Approved by:	tier 2 blanket

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