[MacPorts] #27574: obc: Portfile and patch for Oxford Oberon 2 compiler

[MacPorts]

#27574: obc: Portfile and patch for Oxford Oberon 2 compiler
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  Reporter:  jking+macports@…             |       Owner:  ryandesign@…           
      Type:  submission                   |      Status:  reopened               
  Priority:  Normal                       |   Milestone:                         
 Component:  ports                        |     Version:  1.9.2                  
Resolution:                               |    Keywords:  oberon obc oberon2     
      Port:  obc                          |  
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Comment(by mike@…):

 The configure script attempts to recognise the host architecture, and
 enables the JIT if the architecture is one of the ones supported, from
 this short list: [x86].  So it shouldn't be necessary to specify
 --disable-jit, whatever the architecture.

 If building on an x86-64 machine, the C components (i.e. the runtime
 system) need to be built in 32-bit.  It doesn't matter whether the OCaml
 components (i.e. the Oberon compiler) are built with the 32-bit or the
 64-bit OCaml compiler.  I don't know much about MacPorts, so I don't know
 how accurately you can specify that requirement.

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Ticket URL: <https://trac.macports.org/ticket/27574#comment:13>
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