[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@…):

 For a number of OS versions we still nominally support (I don't know which
 ones gcc 4.7 removes support for) the default gcc the other ports will be
 using unless overridden is more than a few years old.  I'm also not at all
 sure what mixing the gcc and clang/llvm c++ std libraries adds to the
 party since I don't think they share any source.  Because of how much of
 boost is inline code I've never been too sure how much the "if it's
 consistent withing the same .so it's safe" advice holds.  I'm pretty sure
 I ran into issues with boost on RHEL 5.5 when going from the system gcc
 (4.1.something) to gcc-devel (4.4.something) for our app but boost still
 being gcc 4.1 compiled.  I agree that it should be self-contained, just
 that because of how tightly boost couples itself to the compiler, in
 experience it hasn't been for me...

 The idea with the portgroup would be to force the dependent ports to use
 configure.compiler=${boost_compiler_version} and anything else that might
 be needed.  The versioned (by compiler and boost version) boost installs
 are nice (but a pain to get bjam to do), but break everything just looking
 for include/boost and lib/libboostfoo.dylib.  And don't help here when
 boost doesn't support the OS' default compiler.

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Ticket URL: <https://trac.macports.org/ticket/35172#comment:8>
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