[Poppler-bugs] [Bug 97915] g++ 5.4.0 cannot compile poppler (due to C++11 option)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97915

--- Comment #5 from Masamichi Hosoda <trueroad at trueroad.jp> ---
(In reply to Adrian Johnson from comment #4)
> I got gfile.cc to compile on cygwin by adding #define _BSD_SOURCE to the
> file. Although I read somewhere that _BSD_SOURCE has been replaced by
> _DEFAULT_SOURCE. We may need to add something to configure.ac and cmake to
> set the feature macro based on the compiler version.
> 
> The problem with using -std-gnu++11 is we don't want to allow gnu features
> that are incompatible with Visual C++.

I've found the description of _BSD_SOURCE and _DEFAULT_VERSION.
http://man7.org/linux/man-pages/man7/feature_test_macros.7.html

It says:

    To allow code that requires _BSD_SOURCE
    in glibc 2.19 and earlier and _DEFAULT_SOURCE in glibc 2.20 and
    later to compile without warnings, define both _BSD_SOURCE and
    _DEFAULT_SOURCE.

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