fontforge/fontforge — pull request #1432 by JoesCat (2014-06-18 05:55:42+00:00)
Title: Test for headers and library for FONTFORGE_ARG_WITH_LIBPNG()

Replaced pkg-config check with a check for headers and library.
./configure does a hard-stop if user specifies '--with-png' and there is
no library or developer files available. Fixed *.pc dependency list.