A better way is to simply use https://metacpan.org/pod/File::HomeDir#my_home
.
Please take a look at its implementation:
https://metacpan.org/source/ADAMK/File-HomeDir-1.00/lib/File/HomeDir/Windows.pm#L26
And some background information on doing it under Windows XP or Vista and
later win32 OSes:
http://en.wikipedia.org/wiki/Environment_variable#Default_values
P.S. Sorry for sending this email again. I forgot to CC pdl-devel list :)
Regards,
Ahmad
2015-03-29 19:02 GMT+03:00 Ed <ej...@hotmail.com>:
> Dear PDL devs,
>
> The top-level Makefile.PL supports using "$ENV{HOME}/.perldl.conf" to load
> config, if it exists. Naturally, that can't work on Win32 because
> $ENV{HOME} is not normally defined.
>
> The problem I perceive here is that especially on Win32, one needs to
> define various *_INC etc in order for PDL to find the funky locations one
> is forced to place various libraries like Proj4. Requiring people to keep
> downloading PDL and editing its perldl.conf is a recipe for errors, like
> the ones Rob saw recently. My vision is that you'll be able to do "cpanm
> PDL", and it will just work in finding your local config, including on
> Win32.
>
> Therefore, I propose that a Win32-compatible equivalent of this be baked
> into PDL proper. One possibility is using "$ENV{USERPROFILE}/.perldl.conf"
> for this? On my machine that is set as "C:\Users\Ed", and I wouldn't mind
> placing a ".perldl.conf" there. What do people think?
>
> Best regards,
> Ed
>
>
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