[MacPorts] #42797: eigen3 @3.2.1_0+cmake Missing ArpackSupport

[MacPorts]

#42797: eigen3 @3.2.1_0+cmake Missing ArpackSupport
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 Reporter:  julian.panetta@…       |      Owner:  macports-tickets@…
     Type:  defect                 |     Status:  new
 Priority:  Normal                 |  Milestone:
Component:  ports                  |    Version:  2.2.1
 Keywords:  eigen3, eigen, arpack  |       Port:  eigen3
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 The +cmake variant doesn't install "unsupported/EigenArpackSupport" and
 the associated header file
 "unsupported/Eigen/src/Eigenvalues/ArpackSelfAdjointEigenSolver.h" These
 files are copied when the plain eigen3 variant is installed (in that case,
 Portfile:175 is run: "file copy ${workpath}/eigen_src/unsupported
 ${incldir}").

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Ticket URL: <https://trac.macports.org/ticket/42797>
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