[MacPorts] #61055: openscad @2015.03-3_7: build failure with newer bison versions

[MacPorts]

#61055: openscad @2015.03-3_7: build failure with newer bison versions
----------------------+-----------------------------
 Reporter:  dstrubbe  |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  openscad, bison
----------------------+-----------------------------
 XCode 9.2, OSX 10.12.6. With bison @3.7.1_0 or 3.7_0 I get the errors
 below. It builds successfully with bison @3.6_4.

 {{{
 In file included from src/parser.y:38:
 src/module.h:110:24: warning: 'FileModule::instantiate' hides overloaded
 virtual function [-Woverloaded-virtual]
         virtual AbstractNode *instantiate(const Context *ctx, const
 ModuleInstantiation *inst, EvalContext *evalctx = NULL);
                               ^
 src/module.h:83:24: note: hidden overloaded virtual function
 'Module::instantiate' declared here: different qualifiers (const vs none)
         virtual AbstractNode *instantiate(const Context *ctx, const
 ModuleInstantiation *inst, EvalContext *evalctx = NULL) const;
                               ^
 parser.tab.c:145:10: fatal error: 'parser.tab.h' file not found
 #include "parser.tab.h"
          ^~~~~~~~~~~~~~
 1 warning and 1 error generated.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/61055>
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