[MacPorts] #63510: xv build fails (BigSur)

[MacPorts]

#63510: xv build fails (BigSur)
-----------------------+--------------------
 Reporter:  duchowski  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.7.1
 Keywords:             |       Port:  xv
-----------------------+--------------------
 Here's the build error:
 :info:build xvjp2k.c:79:5: error: conflicting types for 'jas_memdump'
 :info:build int jas_memdump(FILE *fp,void *data,size_t len) {return 0;}
 :info:build     ^
 :info:build /opt/local/include/jasper/jas_debug.h:107:19: note: previous
 declaration is here
 :info:build JAS_DLLEXPORT int jas_memdump(FILE *out, const void *data,
 size_t len);
 :info:build                   ^
 :info:build 1 error generated.

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Ticket URL: <https://trac.macports.org/ticket/63510>
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