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[Bug 1368478] Re: pto_var / ParseExp.cpp fails with boost 1.56.0

 

Thank you for your patch.
Boost 1.56 has Spirit version 2.5.3. This Spirit version was introduced with Boost 1.50.
In the release notes of Boost 1.56 I don't see changes to spirit.
On WIndows it compiles fine with Boost 1.56, no errors.

So I assume there is something other involved.
Can you give a link about the changed interface?
Which compiler did you use?

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https://bugs.launchpad.net/bugs/1368478

Title:
  pto_var / ParseExp.cpp fails with boost 1.56.0

Status in Hugin - Panorama Tools GUI:
  New

Bug description:
  Heya,

  I just spend two hours reading through boost's documentation on result_of
  and Spirit and a lot of cryptic error messages. So I thought I should probably send
  my results upstream so others don't have to do that again.

  With boost 1.56.0 hugin produces a number of errors in src/tools/ParseExp.cpp.
  The first one (with all the junk removed) is:

  <<<
  /usr/include/boost/utility/result_of.hpp:189:8: error: wrong number of template arguments (1, should be 3)
   struct result_of_nested_result : F::template result<FArgs>
          ^
  /usr/src/hugin-2013.0.0/src/tools/ParseExp.cpp:80:12: error: provided for 'template<class X, class Y, class Z> struct Parser::lazy_if_::result'
       struct result { typedef Y type; };
              ^
  >>>

  Actually I'm not sure why this part ever compiled successfully, but I
  suppose boost just got a bit more strict now...

  The second problem seems to be a change in Spirit that makes it
  neccessary to rewrite the lazy_functions a bit.

  I attached a patch for all problems I encountered when building hugin (2013.0.0) with boost 1.56.0.
  I also just checked and your recent release candidate does not include changes in this part of the code,
  so I'm pretty sure the bug exists also with the 2014rc

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References