[PATCH] Fallback check for zlib.

[David Bremner]

Xīcò <xico at atelo.org> writes:

> ---
>  compat/have_zlib.c |  6 ++++++
>  configure          | 21 ++++++++++++++++-----
>  2 files changed, 22 insertions(+), 5 deletions(-)
>  create mode 100644 compat/have_zlib.c

If you're doing a second version for Tomi's comments, please put roughly
the comments from the cover letter in the commit message of the actual
patch; or at least be more verbose there.

Cheers,

d