[MacPorts] #66602: nanoflann uses unsupported insns on PPC

[MacPorts]

#66602: nanoflann uses unsupported insns on PPC
--------------------------+---------------------------------
 Reporter:  barracuda156  |      Owner:  MarcusCalhoun-Lopez
     Type:  defect        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.8.0
 Keywords:  powerpc       |       Port:  nanoflann
--------------------------+---------------------------------
 {{{
 :info:build
 /opt/local/include/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h: In
 function 'Packet Eigen::internal::pcmp_le(const Packet&, const Packet&)
 [with Packet = __vector(4) int]':
 :info:build
 /opt/local/include/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h:875:123:
 error: '__builtin_vsx_cmpge_4si' requires the '-mvsx' option
 :info:build   875 | template<> EIGEN_STRONG_INLINE Packet4i pcmp_le(const
 Packet4i& a, const Packet4i& b) { return
 reinterpret_cast<Packet4i>(vec_cmple(a,b)); }
 :info:build       |
 }}}

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Ticket URL: <https://trac.macports.org/ticket/66602>
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