Pod::Spec.new do |s|

  # The libolm version
  MAJOR = 3
  MINOR = 2
  PATCH = 16

  s.name         = "OLMKit"
  s.version      = "#{MAJOR}.#{MINOR}.#{PATCH}"
  s.summary      = "An Objective-C wrapper of olm (http://matrix.org/git/olm)"

  s.description  = <<-DESC
				   olm is an implementation of the Double Ratchet cryptographic ratchet in C++
                   DESC

  s.homepage     = "https://gitlab.matrix.org/matrix-org/olm"

  s.license      = { :type => "Apache License, Version 2.0", :file => "LICENSE" }

  s.authors            = { "Chris Ballinger" => "chrisballinger@gmail.com",
                           "matrix.org" => "support@matrix.org" }

  s.ios.deployment_target = "6.0"
  s.osx.deployment_target = "10.9"

  # Expose the Objective-C wrapper API of libolm
  s.public_header_files = "xcode/OLMKit/*.h"

  s.source       = {
    :git => "https://gitlab.matrix.org/matrix-org/olm.git",
    :tag => s.version.to_s
  }

  s.source_files = "xcode/OLMKit/*.{h,m}", "include/**/*.{h,hh}", "src/*.{c,cpp}", "lib/crypto-algorithms/sha256.c",  "lib/crypto-algorithms/aes.c", "lib/curve25519-donna/curve25519-donna.c"
  s.private_header_files = "xcode/OLMKit/*_Private.h"

  # Those files (including .c) are included by ed25519.c. We do not want to compile them twice
  s.preserve_paths = "lib/ed25519/**/*.{h,c}"

  s.library = "c++"


  # Use the same compiler options for C and C++ as olm/Makefile

  s.compiler_flags = "-g -O3 -DOLMLIB_VERSION_MAJOR=#{MAJOR} -DOLMLIB_VERSION_MINOR=#{MINOR} -DOLMLIB_VERSION_PATCH=#{PATCH}"

  # For headers search paths, manage first the normal installation. Then, use paths used
  # when the pod is local
  s.xcconfig = {
    'USER_HEADER_SEARCH_PATHS' =>"${PODS_ROOT}/OLMKit/include ${PODS_ROOT}/OLMKit/lib #{File.join(File.dirname(__FILE__), 'include')} #{File.join(File.dirname(__FILE__), 'lib')}"
  }

  s.subspec 'olmc' do |olmc|
    olmc.source_files   = "src/*.{c}", "lib/curve25519-donna.h", "lib/crypto-algorithms/sha256.{h,c}", "lib/crypto-algorithms/aes.{h,c}",  "lib/curve25519-donna/curve25519-donna.c"
    olmc.compiler_flags = ' -std=c99 -fPIC'
  end

  s.subspec 'olmcpp' do |olmcpp|
    olmcpp.source_files   = "src/*.{cpp}"
    olmcpp.compiler_flags = ' -std=c++11 -fPIC'
  end

end