[MacPorts] #22445: configure binutils with --enable-shared

[MacPorts]

#22445: configure binutils with --enable-shared
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 Reporter:  mwolfram@…         |       Owner:  macports-tickets@…                   
     Type:  request            |      Status:  new                                  
 Priority:  Normal             |   Milestone:                                       
Component:  ports              |     Version:                                       
 Keywords:                     |        Port:  binutils                             
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 MacPorts: 1.8.1
 binutils: 2.20

 Currently binutils will build a libbfd which requires one to link against
 libiberty.a. When one creates a shared library which uses libbfd this
 fails because the libiberty.a has a dependency on _environ which is only
 linked to executables.

 configuring binutils with --enable-shared will place libiberty code into
 libbfd and libopcodes and enables building of other shared libraries using
 libbfd.

 So it would be great to have binutils install the shared version by
 default.

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Ticket URL: <http://trac.macports.org/ticket/22445>
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