homebrew-core/Formula/optipng.rb

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require 'formula'
class Optipng <Formula
url 'http://downloads.sourceforge.net/optipng/optipng-0.6.3.tar.gz'
homepage 'http://optipng.sourceforge.net/'
md5 '6cef405197a878acff4c6216cf38e871'
def install
inreplace 'src/scripts/gcc.mak.in' do |s|
s.gsub! '/usr/local', prefix
s.change_make_var! 'mandir', man
end
system "./configure", "-with-system-zlib"
system "make install"
end
end