Re: [Boost-users] Turning off BOOST_IOSTREAMS_HAS_DINKUMWARE_FPOS for MSVC++

On 17/04/2018 21:41, Ion Gaztañaga wrote:

Shouldn't we check macro is #defined before using it?

Any standards-conforming preprocessor should not technically require that (any undefined symbol is evaluated as 0). Though not all are standards-conforming, and some might issue warning diagnostics, so it's still probably a good idea to do so.