[Octave-bug-tracker] [bug #36477] use XDG dirs instead of HOME

[Markus Mützel]

Follow-up Comment #21, bug #36477 (project octave):

I applied the xdg.patch on top of hg id ea4a36fd48b6 and tried to cross
compile.
Compilation failed with the following error:

/home/osboxes/Documents/Repositories/Octave/mxe-octave-3/tmp-default-octave/octave-6.0.0/liboctave/system/oct-env.cc:
In member function 'std::__cxx11::string
octave::sys::env::do_get_user_config_directory() const':
/home/osboxes/Documents/Repositories/Octave/mxe-octave-3/tmp-default-octave/octave-6.0.0/liboctave/system/oct-env.cc:244:56:
error: 'KF_FLAG_DONT_VERIFY' was not declared in this scope
       if (SHGetKnownFolderPath (FOLDERID_LocalAppData, KF_FLAG_DONT_VERIFY,
                                                        ^~~~~~~~~~~~~~~~~~~
/home/osboxes/Documents/Repositories/Octave/mxe-octave-3/tmp-default-octave/octave-6.0.0/liboctave/system/oct-env.cc:244:56:
note: suggested alternative: 'CSIDL_FLAG_DONT_VERIFY'
       if (SHGetKnownFolderPath (FOLDERID_LocalAppData, KF_FLAG_DONT_VERIFY,
                                                        ^~~~~~~~~~~~~~~~~~~
                                                       
CSIDL_FLAG_DONT_VERIFY
/home/osboxes/Documents/Repositories/Octave/mxe-octave-3/tmp-default-octave/octave-6.0.0/liboctave/system/oct-env.cc:244:11:
error: 'SHGetKnownFolderPath' was not declared in this scope
       if (SHGetKnownFolderPath (FOLDERID_LocalAppData, KF_FLAG_DONT_VERIFY,
           ^~~~~~~~~~~~~~~~~~~~
/home/osboxes/Documents/Repositories/Octave/mxe-octave-3/tmp-default-octave/octave-6.0.0/liboctave/system/oct-env.cc:244:11:
note: suggested alternative: 'SHGetFolderPath'
       if (SHGetKnownFolderPath (FOLDERID_LocalAppData, KF_FLAG_DONT_VERIFY,
           ^~~~~~~~~~~~~~~~~~~~
           SHGetFolderPath
make[5]: *** [Makefile:24299: liboctave/system/libsystem_la-oct-env.lo] Error
1


To be honest I don't know which Windows version our mingw compiler builds for.
But maybe using SHGetFolderPathW would work indeed.

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