#
# Copyright 2012-2014 Chef Software, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

name "openssl"

dependency "zlib"
dependency "cacerts"
dependency "makedepend" unless aix?
dependency "patch" if solaris2?

default_version "1.0.1p"

source url: "https://www.openssl.org/source/openssl-#{version}.tar.gz"

version("1.0.1m") { source md5: "d143d1555d842a069cb7cc34ba745a06" }
version("1.0.1p") { source md5: "7563e92327199e0067ccd0f79f436976" }

relative_path "openssl-#{version}"

build do

  env = case ohai["platform"]
          when "freebsd"
            freebsd_flags = {
                "CFLAGS" => "-I#{install_dir}/embedded/include",
                "LDFLAGS" => "-R#{install_dir}/embedded/lib -L#{install_dir}/embedded/lib",
            }
            # Clang became the default compiler in FreeBSD 10+
            if ohai['os_version'].to_i >= 1000024
              freebsd_flags.merge!(
                  "CC" => "clang",
                  "CXX" => "clang++",
              )
            end
            freebsd_flags
          when "mac_os_x"
            {
                "CFLAGS" => "-arch x86_64 -m64 -L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include -I#{install_dir}/embedded/include/ncurses",
                "LDFLAGS" => "-arch x86_64 -R#{install_dir}/embedded/lib -L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include -I#{install_dir}/embedded/include/ncurses",
            }
          when "aix"
            {
                "CC" => "xlc -q64",
                "CXX" => "xlC -q64",
                "LD" => "ld -b64",
                "CFLAGS" => "-q64 -I#{install_dir}/embedded/include -O",
                "CXXFLAGS" => "-q64 -I#{install_dir}/embedded/include -O",
                "LDFLAGS" => "-q64 -L#{install_dir}/embedded/lib -Wl,-blibpath:#{install_dir}/embedded/lib:/usr/lib:/lib",
                "OBJECT_MODE" => "64",
                "AR" => "/usr/bin/ar",
                "ARFLAGS" => "-X64 cru",
                "M4" => "/opt/freeware/bin/m4",
            }
          when "solaris2"
            {
                "CFLAGS" => "-L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include",
                "LDFLAGS" => "-R#{install_dir}/embedded/lib -L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include -static-libgcc",
                "LD_OPTIONS" => "-R#{install_dir}/embedded/lib",
            }
          else
            {
                "CFLAGS" => "-I#{install_dir}/embedded/include",
                "LDFLAGS" => "-Wl,-rpath,#{install_dir}/embedded/lib -L#{install_dir}/embedded/lib",
            }
        end

  common_args = [
      "--prefix=#{install_dir}/embedded",
      "--with-zlib-lib=#{install_dir}/embedded/lib",
      "--with-zlib-include=#{install_dir}/embedded/include",
      "no-idea",
      "no-mdc2",
      "no-rc5",
      "zlib",
      "shared",
  ].join(" ")

  configure_command = case ohai["platform"]
                        when "aix"
                          ["perl", "./Configure",
                           "aix64-cc",
                           common_args,
                           "-L#{install_dir}/embedded/lib",
                           "-I#{install_dir}/embedded/include",
                           "-Wl,-blibpath:#{install_dir}/embedded/lib:/usr/lib:/lib"].join(" ")
                        when "mac_os_x"
                          ["./Configure",
                           "darwin64-x86_64-cc",
                           common_args,
                          ].join(" ")
                        when "smartos"
                          ["/bin/bash ./Configure",
                           "solaris64-x86_64-gcc",
                           common_args,
                           "-L#{install_dir}/embedded/lib",
                           "-I#{install_dir}/embedded/include",
                           "-R#{install_dir}/embedded/lib",
                           "-static-libgcc"].join(" ")
                        when "solaris2"
                          if ohai["kernel"]["machine"] =~ /sun/
                            ["/bin/sh ./Configure",
                             "solaris-sparcv9-gcc",
                             common_args,
                             "-L#{install_dir}/embedded/lib",
                             "-I#{install_dir}/embedded/include",
                             "-R#{install_dir}/embedded/lib",
                             "-static-libgcc"].join(" ")
                          else
                            # This should not require a /bin/sh, but without it we get
                            # Errno::ENOEXEC: Exec format error
                            ["/bin/sh ./Configure",
                             "solaris-x86-gcc",
                             common_args,
                             "-L#{install_dir}/embedded/lib",
                             "-I#{install_dir}/embedded/include",
                             "-R#{install_dir}/embedded/lib",
                             "-static-libgcc"].join(" ")
                          end
                        else
                          config = if ohai["os"] == "linux" && ohai["kernel"]["machine"] == "ppc64"
                                     "./Configure linux-ppc64"
                                   elsif ohai["os"] == "linux" && ohai["kernel"]["machine"] == "s390x"
                                     "./Configure linux64-s390x"
                                   else
                                     "./config"
                                   end
                          [config,
                           common_args,
                           "disable-gost",  # fixes build on linux, but breaks solaris
                           "-L#{install_dir}/embedded/lib",
                           "-I#{install_dir}/embedded/include",
                           "-Wl,-rpath,#{install_dir}/embedded/lib"].join(" ")
                      end

  # openssl build process uses a `makedepend` tool that we build inside the bundle.
  env["PATH"] = "#{install_dir}/embedded/bin" + File::PATH_SEPARATOR + ENV["PATH"]

  if aix?
    patch_env = env.dup
    patch_env['PATH'] = "/opt/freeware/bin:#{env['PATH']}"
    patch source: "openssl-1.0.1f-do-not-build-docs.patch", env: patch_env
  else
    patch source: "openssl-1.0.1f-do-not-build-docs.patch"
  end

  command configure_command, env: env
  make "depend", env: env
  # make -j N on openssl is not reliable
  make env: env
  if aix?
    # We have to sudo this because you can't actually run slibclean without being root.
    # Something in openssl changed in the build process so now it loads the libcrypto
    # and libssl libraries into AIX's shared library space during the first part of the
    # compile. This means we need to clear the space since it's not being used and we
    # can't install the library that is already in use. Ideally we would patch openssl
    # to make this not be an issue.
    # Bug Ref: http://rt.openssl.org/Ticket/Display.html?id=2986&user=guest&pass=guest
    command "sudo /usr/sbin/slibclean", env: env
  end
  make "install", env: env
end