Making a path absolute portably

[Sébastien Hinderer <Sebastien.Hinderer@xxxxxxxx>]

Dear all,

I'd need to compute the absolute path of srcdir in a portable way (it's
okay if it includes symlinks).

Currently I use

abssrcdir=$(cd "${srcdir}"; echo $PWD)
which seems to work fine.

Is that considered portable enough?

Thanks,

Sébastien.

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