Homebrew formula for Icarus Verilog (iverilog) that supports building from git master.

icarus-verilog.rb

require 'formula'

class IcarusVerilog < Formula
  homepage 'http://iverilog.icarus.com/'
  url 'ftp://icarus.com/pub/eda/verilog/v0.9/verilog-0.9.6.tar.gz'
  sha1 'd81f586b801a2d897ba8c35971d660b960220ed4'

  head 'https://github.com/steveicarus/iverilog.git'

  if build.head?
    depends_on :autoconf
  end

  def install
    system "sh ./autoconf.sh" if build.head?
    # Fixes an assertion when XCode-4.4 tries to link with clang or llvm-gcc.
    ENV['LD'] = MacOS.locate("ld")
    system "./configure", "--prefix=#{prefix}"
    # Separate steps, as install does not depend on compile properly
    system 'make'
    system 'make installdirs'
    system 'make install'
  end

end