K 10
svn:author
V 6
pkubaj
K 8
svn:date
V 27
2020-04-17T11:02:45.918601Z
K 7
svn:log
V 222
graphics/mesa-libs: fix build on powerpc head

Clang currently lacks atomic functions on powerpc, making build fail:
u_atomic.c:64:1: error: definition of builtin function '__sync_val_compare_and_swap_8'

Use GCC for now.

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