# Script obtained from the https://github.com/Homebrew/homebrew-science repository

'''
Copyright 2009-2016 Homebrew contributors.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
'''

class Ipopt < Formula
  desc "Large-scale nonlinear optimization package"
  homepage "https://projects.coin-or.org/Ipopt"
  url "https://www.coin-or.org/download/source/Ipopt/Ipopt-3.12.8.tgz"
  sha256 "62c6de314220851b8f4d6898b9ae8cf0a8f1e96b68429be1161f8550bb7ddb03"
  revision 1
  head "https://projects.coin-or.org/svn/Ipopt/trunk", :using => :svn

  bottle :disable, "needs to be rebuilt with latest open-mpi"

  option "without-test", "Skip build-time tests (not recommended)"
  deprecated_option "without-check" => "without-test"

  depends_on "ampl-mp" => :recommended
  depends_on "openblas" => :optional
  depends_on "pkg-config" => :build

  # IPOPT is not able to use parallel MUMPS.
  depends_on "mumps" => ["without-mpi"] + ((build.with? "openblas") ? ["with-openblas"] : [])

  depends_on "gcc"

  def install
    ENV.delete("MPICC")  # configure will pick these up and use them to link
    ENV.delete("MPIFC")  # which leads to the linker crashing.
    ENV.delete("MPICXX")
    mumps_libs = %w[-ldmumps -lmumps_common -lpord -lmpiseq]
    mumps_incdir = Formula["mumps"].opt_libexec/"include"
    mumps_libcmd = "-L#{Formula["mumps"].opt_lib} " + mumps_libs.join(" ")

    args = ["--disable-debug",
            "--disable-dependency-tracking",
            "--prefix=#{prefix}",
            "--with-mumps-incdir=#{mumps_incdir}",
            "--with-mumps-lib=#{mumps_libcmd}",
            "--enable-shared",
            "--enable-static"]

    if build.with? "openblas"
      args << "--with-blas-incdir=#{Formula["openblas"].opt_include}"
      args << "--with-blas-lib=-L#{Formula["openblas"].opt_lib} -lopenblas"
      args << "--with-lapack-incdir=#{Formula["openblas"].opt_include}"
      args << "--with-lapack-lib=-L#{Formula["openblas"].opt_lib} -lopenblas"
    end

    if build.with? "ampl-mp"
      args << "--with-asl-incdir=#{Formula["ampl-mp"].opt_include}/asl"
      args << "--with-asl-lib=-L#{Formula["ampl-mp"].opt_lib} -lasl"
    end

    system "./configure", *args
    system "make"
    ENV.deparallelize # Needs a serialized install
    system "make", "test" if build.with? "test"
    system "make", "install"
  end

  test do
    # IPOPT still fails to converge on the Waechter-Biegler problem?!?!
    system "#{bin}/ipopt", "#{Formula["ampl-mp"].opt_pkgshare}/example/wb" if build.with? "ampl-mp"
  end
end