[MacPorts] #67809: tippecanoe @2.28.0: error: use of undeclared identifier 'errno'

[MacPorts]

#67809: tippecanoe @2.28.0: error: use of undeclared identifier 'errno'
------------------------+------------------------
 Reporter:  ryandesign  |      Owner:  sikmir
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.8.1
 Keywords:              |       Port:  tippecanoe
------------------------+------------------------
 https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/149120/steps
 /install-port/logs/stdio
 {{{
 memfile.cpp:80:52: error: use of undeclared identifier 'errno'
                 fprintf(stderr, "fdopen memfile: %s\n", strerror(errno));
                                                                  ^
 memfile.cpp:85:51: error: use of undeclared identifier 'errno'
                 fprintf(stderr, "memfile write: %s\n", strerror(errno));
                                                                 ^
 2 errors generated.
 make: *** [memfile.o] Error 1
 }}}

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Ticket URL: <https://trac.macports.org/ticket/67809>
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