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Re: libpng issues

From: Paul Eggert
Subject: Re: libpng issues
Date: Sun, 11 Feb 2018 18:45:59 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

Werner LEMBERG wrote:

I've just been bitten by


For this reason I suggest two improvements for the configure script of

(1) Use `pkg-config' before `libpng-config' to detect libpng.

(2) If `libpng-config' is used, filter out `-L/usr/lib' and
     `-L/usr/lib64' (as suggested in issue #206).

Thanks, I installed the attached into master. It does (1), and as I understand it when (1) works then (2) is unnecessary. I'm hoping we don't have to do (2) as I worry that it might break things on some platforms.

Attachment: 0001-Work-even-if-libpng-is-installed-in-usr-local.patch
Description: Text Data

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