[MacPorts] #32634: building R with debug symbols

[MacPorts]

#32634: building R with debug symbols
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 Reporter:  macporter90210@…          |       Owner:  macports-tickets@…                   
     Type:  request                   |      Status:  new                                  
 Priority:  Normal                    |   Milestone:                                       
Component:  ports                     |     Version:  2.0.3                                
 Keywords:                            |        Port:  R                                    
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 I want to build R with debug symbols so I can more easily debug my C
 extensions and how they interact with R. I modified the portfile to use
 apple's gcc and the -g flag. It installed fine, but it seems that the
 debug symbols aren't found by gdb.

 1. What should I do so that when I compile with -g, the symbols can be
 found?
 2. Do I need to use apple's rather than the mp gcc to do this?
 3. I think other people might find this useful so it would be nice if the
 debug variant, after appropriate corrections can be added to the port.

 I attach the port diff.

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Ticket URL: <https://trac.macports.org/ticket/32634>
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