gnulib-tool --with-tests and autopoint

[Eric Blake]

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I tried './gnulib-tool --with-tests --test closein', but it failed with:

executing autopoint --force
autopoint: *** The AM_GNU_GETTEXT_VERSION declaration in your configure.ac
              file requires the infrastructure from gettext-0.17 but this
version               is older. Please upgrade to gettext-0.17 or newer.
autopoint: *** Stop.

Is there any reason why we can't permit older gettext installation when
running unit tests?  The particular machine I encountered this on had
gettext 0.16.1 installed.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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