[MacPorts] #23829: mkvtoolnix configure fails to find boost in nonstandard MacPorts prefix (was: mkvtoolnix 3.2.0 configure failure on Leopard)

[MacPorts]

#23829: mkvtoolnix configure fails to find boost in nonstandard MacPorts prefix
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 Reporter:  ryandesign@…             |       Owner:  ruud@…           
     Type:  defect                   |      Status:  new              
 Priority:  Normal                   |   Milestone:                   
Component:  ports                    |     Version:  1.8.2            
 Keywords:                           |        Port:  mkvtoolnix       
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Comment(by ryandesign@…):

 With the patch from #26647, the new error is:

 {{{
 checking for boostlib >= 1.34.0... yes
 checking whether the Boost::System library headers are available... yes
 checking whether the Boost::Filesystem library headers are available...
 yes
 configure: error: The Boost::Filesystem library was not found in .
 }}}

 But it works if I add "--with-boost=${prefix}" so I'll add that when I
 resolve #26647.

 This Leopard machine also uses a nonstandard MacPorts prefix; it must be
 that, and not the OS version, that is the problem. In ac/ax_boost_base.m4
 we see a hardcoded list of search paths, including /opt/local.

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Ticket URL: <https://trac.macports.org/ticket/23829#comment:2>
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