23 lines
861 B
Ruby
23 lines
861 B
Ruby
require 'formula'
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class Pngcrush < Formula
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homepage 'http://pmt.sourceforge.net/pngcrush/'
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# Stay at least one version behind and use the old-versions directory,
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# because tarballs are routinely removed and upstream won't change this
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# practice.
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url 'https://downloads.sourceforge.net/project/pmt/pngcrush/old-versions/1.7/1.7.70/pngcrush-1.7.70.tar.gz'
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sha1 '77a6e092ba192b24f4d51014e7a67ecb50f842e9'
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def install
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# Required to successfully build the bundled zlib 1.2.6
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ENV.append_to_cflags "-DZ_SOLO"
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# Required to enable "-cc" (color counting) option (disabled by default since 1.5.1)
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ENV.append_to_cflags "-DPNGCRUSH_COUNT_COLORS"
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system "make", "CC=#{ENV.cc}",
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"LD=#{ENV.cc}",
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"CFLAGS=#{ENV.cflags}",
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"LDFLAGS=#{ENV.ldflags}"
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bin.install 'pngcrush'
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end
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end
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