Switch visibility support to BOOST_SYMBOL_EXPORT. Refs #2114#1
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stefanseefeld merged 1 commit intoboostorg:developfrom Feb 13, 2017
jhunold:visibility
Merged
Switch visibility support to BOOST_SYMBOL_EXPORT. Refs #2114#1stefanseefeld merged 1 commit intoboostorg:developfrom jhunold:visibility
stefanseefeld merged 1 commit intoboostorg:developfrom
jhunold:visibility
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This patch sounds great ! The only thing I don't know is about exception visibility, I always expose them on windows, and that's why I use in my projects a special macros that expand to correct visibility on any platform but windows. |
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| namespace boost { namespace python | ||
| { | ||
| struct BOOST_PYTHON_DECL_FORWARD instance_holder; |
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this is the offending line that is a cause of #131
formiaczek
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Aug 22, 2017
If a global visibility is set to 'hidden', importing modules that define classes without either 'noimport' or 'init' causes errors like: `ImportError: dynamic module does not define init function` This seems to be due to some, probably unintended changes from boostorg#1.
marv
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This was properly an oversight when switching to the BOOST_SYMBOL_* symbols from Boost.Config in commit 0224f54 (see boostorg#1) Since Boost.Config is already doing the differentiation between different platforms and compilers we can simplify this bit and just use BOOST_SYMBOL_EXPORT
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Found while cleaning up my git svn mirror after the conversion. The patch switches Boost.Python to the common BOOST_SYMBOL_* macros from Boost.Config. This includes some minor cleanups for gcc which does not like visibility attributes on forward declarations. Testest with gcc and msvc-9.0