[MacPorts] #35172: boost @ 1.50 - Error Building boost

[MacPorts]

#35172: boost @ 1.50 - Error Building boost
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 Reporter:  notinmyhead@…          |       Owner:  adfernandes@…           
     Type:  defect                 |      Status:  new                     
 Priority:  Normal                 |   Milestone:                          
Component:  ports                  |     Version:  2.1.1                   
 Keywords:                         |        Port:  boost                   
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Comment(by ecronin@…):

 I'm not familiar with the state of C++ ABIs on OS X, but C++ in general is
 not as robust as C with mixing and matching code compiled with separate
 compilers, and boost tends to push compilers to the very edge of their
 featureset unlike simpler C++ libraries.  If boost is compiled with gcc47
 it may be necessary for dependents linking against the boost libraries
 (some may be header-only in which case labeling them as depends_build
 instead of depends_lib would be helpful) to also be compiled with gcc47 to
 avoid subtle runtime issues.  A portgroup might be a way to make this
 convenient?

 If someone who knows the gcc/clang ABI compatibility for C++ says this
 isn't an issue then ignore this comment.

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Ticket URL: <https://trac.macports.org/ticket/35172#comment:6>
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