[MacPorts] #38249: R* ports upgrade to 2.15.3

[MacPorts]

#38249: R* ports upgrade to 2.15.3
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 Reporter:  kjell.konis@…         |      Owner:  macports-tickets@…
     Type:  update                |     Status:  new
 Priority:  Normal                |  Milestone:
Component:  ports                 |    Version:  2.1.3
 Keywords:  haspatch, maintainer  |       Port:  R, R-framework
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 The attached patches update the R and R-framework ports to version 2.15.3.
 Also,

 1) The default compiler is now gcc47 to satisfy bug #38232.

 2) The llvm_gcc42 variant was removed from R-framework because it no
 longer includes a Fortran compiler (see bug #37647).

 3) Added 'configure.cflags-append -DOS_OBJECT_USE_OBJC=0' to address
 another issue reported in bug #37647.

 4) Bug #36207 is obsolete since the llvm_gcc42 variant has been removed.

 FYI going forward: R 3.0.0 is scheduled to be released on 6 April. I am
 planning on making the R port replaced by the R-framework for this release
 and will notify the maintainers of ports that depend on R. Comments
 welcome.

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Ticket URL: <https://trac.macports.org/ticket/38249>
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