htmldoc: add libpng patch from svn
htmldoc builds with libpng-1.5 using a series of diffs between the current version and svn r1668. These diffs were generated and applied by Fedora. Doing same here. Builds well with superenv. Noted in comments to remove at >= 1.8.28. Fixes Homebrew/homebrew#15915. Closes Homebrew/homebrew#16038. Signed-off-by: Jack Nagel <jacknagel@gmail.com>
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@ -5,6 +5,12 @@ class Htmldoc < Formula
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homepage 'http://www.htmldoc.org'
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sha1 '472908e0aafed1cedfbacd8ed3168734aebdec4b'
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# Fixes building with libpng-1.5, from upstream svn r1668 via Fedora
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# Remove at version 1.8.28. cf. https://github.com/mxcl/homebrew/issues/15915
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def patches
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{ :p0 => 'http://pkgs.fedoraproject.org/cgit/htmldoc.git/plain/htmldoc-1.8.27-libpng15.patch?h=f18' }
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end
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def install
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ENV.append_to_cflags "-I#{HOMEBREW_PREFIX}/include"
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