require 'formula' class Clasp < Formula homepage 'http://potassco.sourceforge.net/' url 'http://downloads.sourceforge.net/project/potassco/clasp/2.1.1/clasp-2.1.1-source.tar.gz' sha1 '4c2bc5fc4b7c9ccfc461dc86a1d449a337602dfe' option 'with-mt', 'Enable multi-thread support' depends_on 'tbb' if build.include? 'with-mt' def install if build.include? 'with-mt' ENV['TBB30_INSTALL_DIR'] = Formula.factory("tbb").opt_prefix build_dir = 'build/release_mt' else build_dir = 'build/release' end args = %W[ --config=release --prefix=#{prefix} ] args << "--with-mt" if build.include? 'with-mt' bin.mkpath system "./configure.sh", *args cd build_dir do system "make install" end end end