[MacPorts] #16634: __gnu_inline__ attribute directive and Apple's gcc

[MacPorts]

#16634: __gnu_inline__ attribute directive and Apple's gcc
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 Reporter:  jhr at cs.uchicago.edu  |       Owner:  macports-tickets at lists.macosforge.org
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:  Port Bugs                            
Component:  ports                |     Version:  1.6.0                                
 Keywords:  gmp, inline          |        Port:  gmp                                  
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 I am trying to build the MLton SML compiler (http://mlton.org), which uses
 the gmp library.  When compiling the runtime system, linking is failing
 because of multiple definitions of some of the GMP symbols (such as
 {{{___gmpz_abs}}}).  I've done some digging, and it seems that the source
 of the problem is related to a recent change in gmp.h and a bad
 interaction with Apple's version of gcc.  Specifically, the
 {{{__gnu_inline__}}}  attribute directive is causing problems (see
 http://www.mail-archive.com/bug-gnulib@gnu.org/msg09721.html for some
 discussion; a latter message in the thread proposes a patch).

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Ticket URL: <http://trac.macports.org/ticket/16634>
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