Update podspec to reflect latest changes of the project structure

OpenVPNAdapter.podspec

@@ -35,35 +35,11 @@ Pod::Spec.new do |s|
   s.source = { :git => "https://github.com/ss-abramchuk/OpenVPNAdapter.git", :tag => "#{s.version}" }
 
 
-  # ――― Source Code ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
-
-  framework_path = "Sources/OpenVPNAdapter"
-  vendors_path = "#{framework_path}/Libraries/Vendors"
-
-  s.source_files  = "#{framework_path}/*.{h,m,mm}"
-
-  s.public_header_files = "#{framework_path}/*.h"
-  s.private_header_files = [
-    "#{framework_path}/*+Internal.h",
-    "#{framework_path}/OpenVPNReachabilityTracker.h",
-    "#{framework_path}/OpenVPNClient.h",
-    "#{framework_path}/OpenVPNNetworkSettingsBuilder.h",
-    "#{framework_path}/OpenVPNPacket.h",
-    "#{framework_path}/OpenVPNPacketFlowBridge.h",
-    "#{framework_path}/NSError+OpenVPNError.h",
-    "#{framework_path}/NSArray+OpenVPNAdditions.h"
-  ]
-
-  s.module_map = "Configuration/OpenVPNAdapter.modulemap"
-
-
   # ――― Project Linking ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 
   s.ios.frameworks = "Foundation", "NetworkExtension", "SystemConfiguration", "UIKit"
   s.osx.frameworks = "Foundation", "NetworkExtension", "SystemConfiguration"
 
-  s.libraries = "lz4", "mbedcrypto", "mbedtls", "mbedx509"
-
 
   # ――― Project Settings ――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 
@@ -81,70 +57,53 @@ Pod::Spec.new do |s|
 
   # ――― Subspecs ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 
-  s.subspec "lz4" do |lz4|
-    lz4_path = "#{vendors_path}/lz4"
+  s.subspec "OpenVPNAdapter" do |adapter|
+    adapter_path = "Sources/OpenVPNAdapter"
 
-    lz4.preserve_paths = "#{lz4_path}/include/*.h"
+    adapter.source_files  = "#{adapter_path}/library/*.{h,m,mm}"
+    adapter.public_header_files = "#{adapter_path}/include/*.h"
 
-    lz4.ios.vendored_libraries = [
-      "#{lz4_path}/lib/ios/liblz4.a"
-    ]
-
-    lz4.osx.vendored_libraries = [
-      "#{lz4_path}/lib/macos/liblz4.a"
-    ]
-
-    lz4.xcconfig = {
-      "HEADER_SEARCH_PATHS" => "${PODS_TARGET_SRCROOT}/#{lz4_path}/include/**"
-    }
+    adapter.compiler_flags = "-DUSE_ASIO"
   end
 
-  s.subspec "mbedtls" do |mbedtls|
-    mbedtls_path = "#{vendors_path}/mbedtls"
+  s.subspec "ASIO" do |asio|
+    asio_path = "Sources/ASIO"
 
-    mbedtls.preserve_paths = "#{mbedtls_path}/include/**/*.h"
-
-    mbedtls.ios.vendored_libraries = [
-      "#{mbedtls_path}/lib/ios/libmbedcrypto.a",
-      "#{mbedtls_path}/lib/ios/libmbedtls.a",
-      "#{mbedtls_path}/lib/ios/libmbedx509.a"
-    ]
-
-    mbedtls.osx.vendored_libraries = [
-      "#{mbedtls_path}/lib/macos/libmbedcrypto.a",
-      "#{mbedtls_path}/lib/macos/libmbedtls.a",
-      "#{mbedtls_path}/lib/macos/libmbedx509.a"
-    ]
-
-    mbedtls.xcconfig = {
-      "HEADER_SEARCH_PATHS" => "${PODS_TARGET_SRCROOT}/#{mbedtls_path}/include/**"
-    }
+    asio.public_header_files = "#{asio_path}/asio/include/**/*.{hpp,ipp}"
   end
 
-  s.subspec "asio" do |asio|
-    asio_path = "#{vendors_path}/asio"
+  s.subspec "LZ4" do |lz4|
+    lz4_path = "Sources/LZ4"
 
-    asio.preserve_paths = "#{asio_path}/asio/include/**/*.{hpp,ipp}"
+    lz4.source_files  = "#{lz4_path}/lib/*.{h,c}"
+    lz4.public_header_files = "#{lz4_path}/include/*.h"
 
-    asio.xcconfig = {
-      "HEADER_SEARCH_PATHS" => "${PODS_TARGET_SRCROOT}/#{asio_path}/asio/include/**"
-    }
+    lz4.compiler_flags = "-DXXH_NAMESPACE=LZ4_"
   end
 
-  s.subspec "openvpn" do |openvpn|
-    openvpn_path = "#{vendors_path}/openvpn"
+  s.subspec "mbedTLS" do |mbedtls|
+    mbedtls_path = "Sources/mbedTLS"
 
-    openvpn.source_files = "#{openvpn_path}/client/*.{hpp,cpp}"
-    openvpn.private_header_files = "#{openvpn_path}/client/*.hpp"
+    mbedtls.source_files  = "#{mbedtls_path}/library/*.{c}"
+    mbedtls.public_header_files = "#{mbedtls_path}/include/*.h"
 
-    openvpn.preserve_paths = "#{openvpn_path}/openvpn/**/*.hpp"
+    mbedtls.compiler_flags = "-DMBEDTLS_MD4_C", "-DMBEDTLS_RELAXED_X509_DATE", "-D_FILE_OFFSET_BITS=64"
+  end
 
-    openvpn.compiler_flags = "-x objective-c++"
+  s.subspec "OpenVPN3" do |openvpn|
+    openvpn_path = "Sources/OpenVPN3"
 
-    openvpn.xcconfig = {
-      "HEADER_SEARCH_PATHS" => "${PODS_TARGET_SRCROOT}/#{openvpn_path}/**",
-      "OTHER_CPLUSPLUSFLAGS" => "$(OTHER_CFLAGS) -DUSE_ASIO -DUSE_ASIO_THREADLOCAL -DASIO_STANDALONE -DASIO_NO_DEPRECATED -DASIO_HAS_STD_STRING_VIEW -DHAVE_LZ4 -DUSE_MBEDTLS -DOPENVPN_FORCE_TUN_NULL -DUSE_TUN_BUILDER"
-    }
+    openvpn.public_header_files = "#{openvpn_path}/openvpn/**/*.hpp"
+    openvpn.preserve_paths = "#{openvpn_path}/client/*.{hpp,cpp}"
+  end
+
+  s.subspec "OpenVPNClient" do |client|
+    client_path = "Sources/OpenVPNClient"
+
+    client.source_files  = "#{client_path}/library/*.{mm}"
+    client.public_header_files = "#{client_path}/include/*.h"
+
+    client.compiler_flags = "-DUSE_ASIO", "-DUSE_ASIO_THREADLOCAL", "-DASIO_STANDALONE", "-DASIO_NO_DEPRECATED", "-DASIO_HAS_STD_STRING_VIEW", "-DHAVE_LZ4", "-DUSE_MBEDTLS", "-DOPENVPN_FORCE_TUN_NULL", "-DUSE_TUN_BUILDER"
   end
 
 end