[MacPorts] #57805: exiv2: cc1plus: error: unrecognized command line option "-Wno-format-overflow"

[MacPorts]

#57805: exiv2: cc1plus: error: unrecognized command line option "-Wno-format-
overflow"
-------------------------+-------------------------
 Reporter:  ryandesign   |      Owner:  Schamschula
     Type:  defect       |     Status:  assigned
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:  snowleopard  |       Port:  exiv2
-------------------------+-------------------------
 [https://build.macports.org/builders/ports-10.6_x86_64_legacy-
 builder/builds/89383/steps/install-port/logs/stdio exiv2 doesn't build on
 Snow Leopard]:

 {{{
 cc1plus: error: unrecognized command line option "-Wno-format-overflow"
 }}}

 Maybe that option needs to be removed for old compilers like gcc-4.2 that
 don't understand it, or maybe a newer compiler needs to be used.

-- 
Ticket URL: <https://trac.macports.org/ticket/57805>
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