homebrew-core/Formula/pngcrush.rb
2014-06-17 19:22:23 -07:00

22 lines
836 B
Ruby

require "formula"
# Stay at least one version behind and use the old-versions directory, because
# tarballs are routinely removed and upstream won't change this practice.
class Pngcrush < Formula
homepage "http://pmt.sourceforge.net/pngcrush/"
url "https://downloads.sourceforge.net/project/pmt/pngcrush/1.7.76/pngcrush-1.7.76.tar.gz"
sha1 "bfe29dc46196cef792ffaebf7349256dcc6e7017"
def install
# Required to successfully build the bundled zlib 1.2.6
ENV.append_to_cflags "-DZ_SOLO"
# Required to enable "-cc" (color counting) option (disabled by default since 1.5.1)
ENV.append_to_cflags "-DPNGCRUSH_COUNT_COLORS"
system "make", "CC=#{ENV.cc}",
"LD=#{ENV.cc}",
"CFLAGS=#{ENV.cflags}",
"LDFLAGS=#{ENV.ldflags}"
bin.install "pngcrush"
end
end