Thorsten Stettin (thorsten.stet...@gmail.com) wrote:
> Why do you need libpng >= 1.6.25, and lcms2 >= 2.7 in order to build Gimp
> 2.9.5 - commit 36ebe03770fd8b87102e95cd6c45b194a45a8ba3?
Libpng is due to security issues:
commit a5073ad9289f7e05ef38d2ce99dc71e91983b434
Author: Michael Natterer <mi...@gimp.org>
Date: Mon Oct 31 09:36:15 2016 +0100
configure.ac: require libpng 1.6.25
Addresses bug #765850, and probably avoids a gazillion of
vulnerabilities in the versions since the ancient 1.2.37
we required before.
For libcms2 this is due to some rounding errors that affected some
blending modes in gimp:
commit 0ce364ee4dd2200e6607a4575af0cc657600afc9
Author: Michael Natterer <mi...@gimp.org>
Date: Thu Sep 15 12:52:20 2016 +0200
configure.ac, app: require liblcms2 >= 2.7
and add an lcms2 runtime version check to app/sanity.c
Fixes:
Bug 736701 - LCMS2 rounding errors cause problems with certain
GIMP blend modes
I hope this helps,
Simon
--
si...@budig.de http://simon.budig.de/
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