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require 'formula'
class Scale2x < Formula
homepage 'http://scale2x.sourceforge.net'
url 'https://downloads.sourceforge.net/project/scale2x/scale2x/2.4/scale2x-2.4.tar.gz'
sha1 '30bbd674dcdf134a58b34e75f87ed05bd716d484'
revision 1
depends_on 'libpng'
def install
# This function was renamed in current versions of libpng.
inreplace 'file.c', 'png_set_gray_1_2_4_to_8', 'png_set_expand_gray_1_2_4_to_8'
system "./configure", "--prefix=#{prefix}"
system "make install"
end
end
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