[MacPorts] #21206: plotutils fails default universal build

[MacPorts]

#21206: plotutils fails default universal build
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 Reporter:  snc@…             |       Owner:  macports-tickets@…                   
     Type:  defect            |      Status:  new                                  
 Priority:  Normal            |   Milestone:                                       
Component:  ports             |     Version:  1.8.99                               
 Keywords:                    |        Port:  plotutils                            
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 Duplicates of `-arch` abound … Since libplot is of the wrong architecture,
 symbols are undefined for i386.

 This was on an x86_64 machine.

  {{{
 /bin/sh ../libtool --mode=link ccache /usr/bin/gcc-4.2  -pipe -O2 -arch
 x86_64 -arch i386 -L/opt/local/lib -arch x86_64 -arch i386 -o plot  plot.o
 fontlist.o ../lib/libcommon.a ../libplot/libplot.la -lmx
 ccache /usr/bin/gcc-4.2 -pipe -O2 -arch x86_64 -arch i386 -arch x86_64
 -arch i386 -o .libs/plot plot.o fontlist.o  -L/opt/local/lib
 ../lib/libcommon.a ../libplot/.libs/libplot.dylib
 /opt/local/lib/libpng12.dylib -lz -lmx
 ld: warning: in ../libplot/.libs/libplot.dylib, file is not of required
 architecture
 Undefined symbols for architecture i386:
 }}}

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Ticket URL: <http://trac.macports.org/ticket/21206>
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