[MacPorts] #67235: giflib5 broken on <= 10.6: cc1: error: unrecognized command line option "-Wno-format-truncation"

[MacPorts]

#67235: giflib5 broken on <= 10.6: cc1: error: unrecognized command line option
"-Wno-format-truncation"
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 Reporter:  barracuda156                         |      Owner:  Schamschula
     Type:  defect                               |     Status:  assigned
 Priority:  Normal                               |  Milestone:
Component:  ports                                |    Version:  2.8.1
 Keywords:  snowleopard, leopard, powerpc,       |       Port:  giflib5
  rosetta                                        |
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 {{{
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_giflib5/giflib5/work/compwrap/cc/usr/bin/gcc-4.2
 -std=gnu99 -fPIC -Wall -Wno-format-truncation -O2 -I/opt/local/include  -c
 -o dgif_lib.o dgif_lib.c
 cc1: error: unrecognized command line option "-Wno-format-truncation"
 make: *** [dgif_lib.o] Error 1
 }}}

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Ticket URL: <https://trac.macports.org/ticket/67235>
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