diff --git a/.gitignore b/.gitignore
index 99b84a13..a84c8945 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,11 @@ packages/
 Debug/
 Release/
 out/
-build.debug/
-build.release/
+build.debug
+build.release
+build.ubuntu
+build.iOS
+build.RPi
+build.android
 .vs/
 *.vcxproj.user
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7fc1730c..1c239a69 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,15 +8,36 @@ project (signalrclient)
 
 include(CTest)
 
-set(WERROR true CACHE BOOL "Enable warnings as errors.")
+# set(WERROR true CACHE BOOL "Enable warnings as errors.")
 set(WALL true CACHE BOOL "Enable all warnings.")
 
-if(NOT WIN32)
+if (ANDROID OR IOS)
   set(EXTRA_FLAGS "-std=c++11 -fPIC -DNO_SIGNALRCLIENT_EXPORTS")
+elseif(NOT WIN32)
+  set(EXTRA_FLAGS "-std=c++11 -fPIC -DNO_SIGNALRCLIENT_EXPORTS -ldl")
 else()
   set(EXTRA_FLAGS "-DSIGNALRCLIENT_EXPORTS")
 endif()
 
+if(ANDROID)
+set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -llog")
+else()
+  if(NOT IOS)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s")
+  endif()
+  if(NOT SERCOMMSYSTEM)
+    set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-gc-section")
+  endif()
+endif()
+
+if(IOS)
+  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/Binaries)
+else()
+  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/lib/${ACPLATFORM}/${ANDROID_ABI}")
+  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/lib/${ACPLATFORM}/${ANDROID_ABI}")
+endif()
+
 if(USE_CPPRESTSDK)
   string(APPEND EXTRA_FLAGS " -DUSE_CPPRESTSDK")
 endif()
@@ -25,11 +46,14 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_FLAGS}")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_LDFLAGS}")
 
 if(USE_CPPRESTSDK)
-  find_package(cpprestsdk REQUIRED)
-  set(CPPREST_LIB "cpprestsdk::cpprest")
+  add_library(cpprest_static STATIC IMPORTED)
+  set_property(TARGET cpprest_static PROPERTY IMPORTED_LOCATION
+      "${CPPREST_STATIC_LIBRARY_DIR}/libcpprest.a"
+  )
+  set(CPPREST_LIB "cpprest_static")
 endif()
 
-include_directories (include)
+include_directories (include ${CPPREST_INCLUDE_DIR})
 
 # TODO: We shouldn't use this, it makes the dll/lib export all symbols
 # We need this for testing, but we might just add all the files to the test project manually
@@ -37,13 +61,22 @@ set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 
 if(USE_CPPRESTSDK)
   if(NOT WIN32)
-    if(APPLE)
-      file(GLOB OPENSSL_ROOT_DIR /usr/local/Cellar/openssl/*)
-      list(REVERSE OPENSSL_ROOT_DIR)
+    if(IOS)
+      include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/cpprest_find_boost.cmake)
+      include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/cpprest_find_openssl.cmake)
+      cpprest_find_boost()
+      cpprest_find_openssl()
+    else()
+      if(APPLE)
+        file(GLOB OPENSSL_ROOT_DIR /usr/local/Cellar/openssl/*)
+        list(REVERSE OPENSSL_ROOT_DIR)
+      endif()
+
+      find_package(OpenSSL 1.0.0 REQUIRED)
+      set(Boost_USE_STATIC_LIBS ON)
+      find_package(Boost REQUIRED COMPONENTS system thread chrono)
     endif()
 
-    find_package(OpenSSL 1.0.0 REQUIRED)
-    find_package(Boost REQUIRED COMPONENTS system thread chrono)
   endif()
 endif()
 
@@ -62,4 +95,4 @@ if(BUILD_SAMPLES)
   add_subdirectory(samples/HubConnectionSample)
 endif()
 
-install(DIRECTORY include/ DESTINATION include/)
\ No newline at end of file
+install(DIRECTORY include/ DESTINATION include/)
diff --git a/build.RPi.sh b/build.RPi.sh
new file mode 100644
index 00000000..f115d337
--- /dev/null
+++ b/build.RPi.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+SIGNALRCLIENT_BUILD_DIR=build.$AC_PLATFORM
+if [[ ! -d ${SIGNALRCLIENT_BUILD_DIR} ]]; then
+    mkdir ${SIGNALRCLIENT_BUILD_DIR}
+fi
+cd ${SIGNALRCLIENT_BUILD_DIR}
+rm -rf *
+
+
+PLATFORM_ROOT=$SIGNALR_ROOT/.build_RPi
+BOOST_ROOT=${PLATFORM_ROOT}/boost-1.61-RPi
+CPPRESDSDK_ROOT=${PLATFORM_ROOT}/accessapi-artifacts-RPi-ms/cpprest
+OPENSSL_ROOT=${PLATFORM_ROOT}/openssl-1.0.2l-RPi
+
+command="cmake .. -DCMAKE_TOOLCHAIN_FILE=/opt/RPi/RPi.toolchain \
+-DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=false -DBUILD_SAMPLES=true \
+-DUSE_CPPRESTSDK=true \
+-DCMAKE_BUILD_TYPE=Debug  \
+-DBUILD_SHARED_LIBS=0
+-DBoost_NO_BOOST_CMAKE=TRUE  \
+-DBoost_NO_SYSTEM_PATHS=TRUE  \
+-DBOOST_ROOT=${BOOST_ROOT}  \
+-DBOOST_INCLUDEDIR=${BOOST_ROOT}/include  \
+-DBoost_INCLUDE_DIR=${BOOST_ROOT}/include  \
+-DBOOST_LIBRARYDIR=${BOOST_ROOT}/stage/lib  \
+-DBoost_SYSTEM_LIBRARY=${BOOST_ROOT}/stage/lib  \
+-DBoost_SYSTEM_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_system-gcc-mt-1_61.a  \
+-DBoost_THREAD_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_thread-gcc-mt-1_61.a  \
+-DBOOST_THREAD_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_thread-gcc-mt-1_61.a  \
+-DBoost_ATOMIC_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_atomic-gcc-mt-1_61.a  \
+-DBoost_CHRONO_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_chrono-gcc-mt-1_61.a  \
+-DBoost_DATE_TIME_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_date_time-gcc-mt-1_61.a  \
+
+-DCPPREST_STATIC_LIBRARY_DIR=${CPPRESDSDK_ROOT}/lib  \
+-DCPPREST_LIBRARY_DIR=${CPPRESDSDK_ROOT}/lib  \
+-DCPPREST_INCLUDE_DIR=${CPPRESDSDK_ROOT}/include  \
+
+-DOPENSSL_ROOT_DIR=${OPENSSL_ROOT}  \
+-DOPENSSL_INCLUDE_DIR=${OPENSSL_ROOT}/include  \
+-DOPENSSL_CRYPTO_LIBRARY=${OPENSSL_ROOT}/lib/libcrypto.a  \
+-DOPENSSL_SSL_LIBRARY=${OPENSSL_ROOT}/lib/libssl.a \
+"
+
+echo $command
+$command
+
+make -j$NCPU
diff --git a/build.android.sh b/build.android.sh
new file mode 100644
index 00000000..baf77924
--- /dev/null
+++ b/build.android.sh
@@ -0,0 +1,71 @@
+#!/bin/bash 
+SIGNALRCLIENT_BUILD_DIR=build.$AC_PLATFORM
+if [[ ! -d ${SIGNALRCLIENT_BUILD_DIR} ]]; then
+    mkdir ${SIGNALRCLIENT_BUILD_DIR}
+fi
+cd ${SIGNALRCLIENT_BUILD_DIR}
+rm -rf *
+
+ANDROID_NDK=$HOME/android-sdk/ndk-bundle
+
+if [[ ! -d $ANDROID_NDK ]]; then
+echo "$ANDROID_NDK is NOT a valid direcotry"
+exit -1
+fi
+ROOT=$SIGNALR_ROOT/.build_${AC_PLATFORM}
+OPENSSL_ROOT=${ROOT}/openssl-1.0.2l-${AC_PLATFORM}
+CPPREST_ROOT=${ROOT}/accessapi-artifacts-android-ms/cpprest
+
+build_signalr() {
+    rm -rf lib/${AC_PLATFORM}/$1
+    BOOST_ROOT=${ROOT}/boost-1.65-${AC_PLATFORM}/$2
+    echo ${BOOST_ROOT}/include
+    COMMAND="/snap/bin/cmake .. \
+    -DBUILD_TESTING=false -DBUILD_SAMPLES=false
+    -DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK}/build/cmake/android.toolchain.cmake" \
+    -DANDROID_NDK="${ANDROID_NDK}" \
+    -DANDROID_TOOLCHAIN=clang \
+    -DANDROID_ABI=$2 \
+    -DANDROID_PLATFORM=android-$4 \
+    -DANDROID_NATIVE_API_LEVEL=$4 \
+    
+    
+    
+    -DACPLATFORM:STRING=${AC_PLATFORM} \
+
+    -DCPPREST_INCLUDE_DIR=${CPPREST_ROOT}/include \
+    -DCPPREST_STATIC_LIBRARY_DIR=${CPPREST_ROOT}/lib/$2 \
+    -DUSE_CPPRESTSDK=true \
+    
+    -DBOOST_ROOT=${BOOST_ROOT}  \
+    -DBOOST_INCLUDEDIR=${BOOST_ROOT}/include  \
+    -DBoost_INCLUDE_DIR=${BOOST_ROOT}/include  \
+    -DBOOST_LIBRARYDIR=${BOOST_ROOT}/lib  \
+    -DBoost_SYSTEM_LIBRARY=${BOOST_ROOT}/lib  \
+    -DBoost_SYSTEM_LIBRARY=${BOOST_ROOT}/lib/libboost_system-clang-mt-1_65_1.a  \
+    -DBoost_THREAD_LIBRARY=${BOOST_ROOT}/lib/libboost_thread-clang-mt-1_65_1.a  \
+    -DBoost_ATOMIC_LIBRARY=${BOOST_ROOT}/lib/libboost_atomic-clang-mt-1_65_1.a  \
+    -DBoost_CHRONO_LIBRARY=${BOOST_ROOT}/lib/libboost_chrono-clang-mt-1_65_1.a  \
+    -DBoost_DATE_TIME_LIBRARY=${BOOST_ROOT}/lib/libboost_date_time-clang-mt-1_65_1.a  \
+    
+    -DOPENSSL_ROOT_DIR=${OPENSSL_ROOT}  \
+    -DOPENSSL_INCLUDE_DIR=${OPENSSL_ROOT}/include  \
+    -DOPENSSL_CRYPTO_LIBRARY=${OPENSSL_ROOT}/lib/$2/libcrypto.a  \
+    -DOPENSSL_SSL_LIBRARY=${OPENSSL_ROOT}/lib/$2/libssl.a \
+    -DCMAKE_BUILD_TYPE=$3 \
+    -B $1"
+    # echo $COMMAND
+    $COMMAND
+    # find Number of CPU from /etc/proc cpu ..
+    MAKE_COMMAND="make -j$NCPU -C $1"
+    # echo $MAKE_COMMAND
+    $MAKE_COMMAND
+}
+
+# Build the signalrclient for each target configuration
+
+# build_signalr build.armv7.debug armeabi-v7a Debug 18
+build_signalr armeabi-v7a armeabi-v7a Release 18
+
+# build_signalr build.armv8.debug arm64-v8a Debug 23
+build_signalr arm64-v8a arm64-v8a Release 23
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100644
index 00000000..b11add54
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# Usage example 
+# bash build.sh <Platforms (iOS|ubuntu|RPi|android)> <signalrclient's build tools absolute path>
+# bash build.sh RPi /home/signalrclient
+
+if [ "$#" -ne 2 ]; then
+    echo "You must enter exactly 2 command line arguments"
+fi
+
+
+
+AC_PLATFORM=$1
+SIGNALR_ROOT=$2
+
+case $AC_PLATFORM in
+    iOS|ubuntu|RPi|android) echo "Platfrom found: $AC_PLATFORM";;
+    *)             echo "Invlaid Platform name. Try iOS/ubuntu/RPi/android" ;;
+esac
+
+export AC_PLATFORM=$AC_PLATFORM
+
+SIGNALR_ROOT=$(echo $SIGNALR_ROOT | sed 's:/*$::')
+export SIGNALR_ROOT=$SIGNALR_ROOT
+# signalrclient directory should contian include files and  
+# all the libraries (boost, openssl etc) for all platform
+# are present With a dir structure as below
+
+# signalrclient/.build_RPi
+# ├── boost-1.61-RPi
+# │   ├── include
+# │   └── stage
+# ├── openssl-1.0.2l-RPi
+# │   ├── include
+# │   └── lib
+# signalrclient/.build_ubuntu/
+# ├── boost-1.61-ubuntu
+# │   ├── include
+# │   └── stage
+# ├── cpprest
+# │   ├── include
+# │   ├── lib
+# signalrclient/.build_android/
+# ├── boost-1.65-android
+# │   ├── arm64-v8a
+# │   │   ├── include
+# │   │   └── lib
+# │   ├── armeabi-v7a
+# │   │   ├── include
+# │   │   └── lib
+# ├── openssl-1.0.2l-android
+# │   ├── include
+# │   │   └── openssl
+# │   └── lib
+# │       ├── arm64-v8a
+# │       ├── armeabi-v7a
+# ├── cpprest
+# │   ├── include
+# │   ├── lib
+
+if [ -z "$NCPU" ]; then
+    NCPU=4
+    if uname -s | grep -i "linux" > /dev/null ; then
+        NCPU=`cat /proc/cpuinfo | grep -c -i processor`
+        export NCPU=$(($NCPU-1))
+        echo "Number of core: $NCPU"
+    fi
+fi
+
+source build.$AC_PLATFORM.sh
\ No newline at end of file
diff --git a/build.ubuntu.sh b/build.ubuntu.sh
new file mode 100644
index 00000000..f81d41db
--- /dev/null
+++ b/build.ubuntu.sh
@@ -0,0 +1,31 @@
+#!/bin/bash 
+SIGNALRCLIENT_BUILD_DIR=build.$AC_PLATFORM
+if [[ ! -d ${SIGNALRCLIENT_BUILD_DIR} ]]; then
+    mkdir ${SIGNALRCLIENT_BUILD_DIR}
+fi
+cd ${SIGNALRCLIENT_BUILD_DIR}
+rm -rf *
+
+
+PLATFORM_ROOT=$SIGNALR_ROOT/.build_ubuntu
+BOOST_ROOT=${PLATFORM_ROOT}/boost-1.61-ubuntu
+CPPRESDSDK_ROOT=${PLATFORM_ROOT}/cpprest
+
+command="cmake ..  -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=false -DBUILD_SAMPLES=true \
+  -DUSE_CPPRESTSDK=true
+  -DBUILD_SHARED_LIBS=0  \
+  -DBoost_NO_BOOST_CMAKE=TRUE \
+  -DBoost_NO_SYSTEM_PATHS=TRUE \
+  -DCPPREST_STATIC_LIBRARY_DIR=${CPPRESDSDK_ROOT}/lib \
+  -DCPPREST_LIBRARY_DIR=${CPPRESDSDK_ROOT}/lib \
+  -DCPPREST_INCLUDE_DIR=${CPPRESDSDK_ROOT}/include \
+  -DBOOST_ROOT=${BOOST_ROOT} \
+  -DBOOST_INCLUDEDIR=${BOOST_ROOT}/include \
+  -DBoost_INCLUDE_DIR=${BOOST_ROOT}/include \
+  -DBoost_SYSTEM_LIBRARY=${BOOST_ROOT}/stage/lib/libboost_system-gcc-mt-1_61.a \
+  -DBOOST_LIBRARYDIR=${BOOST_ROOT}/stage/lib "
+
+echo $command
+$command
+
+make -j$NCPU
\ No newline at end of file
diff --git a/cmake/cpprest_find_boost.cmake b/cmake/cpprest_find_boost.cmake
new file mode 100644
index 00000000..74cc1426
--- /dev/null
+++ b/cmake/cpprest_find_boost.cmake
@@ -0,0 +1,109 @@
+macro(cpprestsdk_find_boost_android_package)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  if(CMAKE_HOST_WIN32)
+    set(WIN32 1)
+    set(UNIX)
+  elseif(CMAKE_HOST_APPLE)
+    set(APPLE 1)
+    set(UNIX)
+  endif()
+  find_package(${ARGN})
+  set(APPLE)
+  set(WIN32)
+  set(UNIX 1)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
+endmacro()
+
+function(cpprest_find_boost)
+  if(TARGET cpprestsdk_boost_internal)
+    return()
+  endif()
+
+  if(IOS)
+    if (EXISTS "${PROJECT_SOURCE_DIR}/../Build_iOS/boost")
+      set(IOS_SOURCE_DIR "${PROJECT_SOURCE_DIR}/../Build_iOS")
+      set(Boost_LIBRARIES "${IOS_SOURCE_DIR}/boost/lib" CACHE INTERNAL "")
+      set(Boost_INCLUDE_DIR "${IOS_SOURCE_DIR}/boost/include" CACHE INTERNAL "")
+    else()
+      set(IOS_SOURCE_DIR "${PROJECT_SOURCE_DIR}/Build_iOS")
+message("------------- IOS SOURCE ${IOS_SOURCE_DIR} proj ${PROJECT_SOURCE_DIR}")
+      set(Boost_LIBRARIES "${IOS_SOURCE_DIR}/boost.framework/boost" CACHE INTERNAL "")
+      set(Boost_INCLUDE_DIR "${IOS_SOURCE_DIR}/boost.framework/Headers" CACHE INTERNAL "")
+    endif()
+  elseif(ANDROID)
+    set(Boost_COMPILER "-clang")
+    if(ANDROID_ABI STREQUAL "armeabi-v7a")
+      set(BOOST_ROOT "${CMAKE_BINARY_DIR}/../Boost-for-Android/build/out/armeabi-v7a" CACHE INTERNAL "")
+      set(BOOST_LIBRARYDIR "${CMAKE_BINARY_DIR}/../Boost-for-Android/build/out/armeabi-v7a/lib" CACHE INTERNAL "")
+      set(Boost_ARCHITECTURE "-a32" CACHE INTERNAL "")
+    else()
+      set(BOOST_ROOT "${CMAKE_BINARY_DIR}/../Boost-for-Android/build/out/x86" CACHE INTERNAL "")
+      set(BOOST_LIBRARYDIR "${CMAKE_BINARY_DIR}/../Boost-for-Android/build/out/x86/lib" CACHE INTERNAL "")
+      set(Boost_ARCHITECTURE "-x32" CACHE INTERNAL "")
+    endif()
+    cpprestsdk_find_boost_android_package(Boost ${BOOST_VERSION} EXACT REQUIRED COMPONENTS random system thread filesystem chrono atomic)
+  elseif(UNIX)
+    find_package(Boost REQUIRED COMPONENTS random system thread filesystem chrono atomic date_time regex)
+  else()
+    find_package(Boost REQUIRED COMPONENTS system date_time regex)
+  endif()
+
+  add_library(cpprestsdk_boost_internal INTERFACE)
+  # FindBoost continually breaks imported targets whenever boost updates.
+  if(1)
+    target_include_directories(cpprestsdk_boost_internal INTERFACE "$<BUILD_INTERFACE:${Boost_INCLUDE_DIR}>")
+    set(_prev)
+    set(_libs)
+    foreach(_lib ${Boost_LIBRARIES})
+      if(_lib STREQUAL "optimized" OR _lib STREQUAL "debug")
+      else()
+        if(_prev STREQUAL "optimized")
+          list(APPEND _libs "$<$<NOT:$<CONFIG:Debug>>:${_lib}>")
+        elseif(_prev STREQUAL "debug")
+          list(APPEND _libs "$<$<CONFIG:Debug>:${_lib}>")
+        else()
+          list(APPEND _libs "${_lib}")
+        endif()
+      endif()
+      set(_prev "${_lib}")
+    endforeach()
+    if (NOT IOS OR NOT EXISTS "${PROJECT_SOURCE_DIR}/../Build_iOS/boost")
+      target_link_libraries(cpprestsdk_boost_internal INTERFACE "$<BUILD_INTERFACE:${_libs}>")
+    endif()
+  else()
+    if(ANDROID)
+      target_link_libraries(cpprestsdk_boost_internal INTERFACE
+        Boost::boost
+        Boost::random
+        Boost::system
+        Boost::thread
+        Boost::filesystem
+        Boost::chrono
+        Boost::atomic
+      )
+    elseif(UNIX)
+      target_link_libraries(cpprestsdk_boost_internal INTERFACE
+        Boost::boost
+        Boost::random
+        Boost::system
+        Boost::thread
+        Boost::filesystem
+        Boost::chrono
+        Boost::atomic
+        Boost::date_time
+        Boost::regex
+      )
+    else()
+      target_link_libraries(cpprestsdk_boost_internal INTERFACE
+        Boost::boost
+        Boost::system
+        Boost::date_time
+        Boost::regex
+      )
+    endif()
+  endif()
+endfunction()
diff --git a/cmake/cpprest_find_openssl.cmake b/cmake/cpprest_find_openssl.cmake
new file mode 100644
index 00000000..441554d6
--- /dev/null
+++ b/cmake/cpprest_find_openssl.cmake
@@ -0,0 +1,78 @@
+function(cpprest_find_openssl)
+  if(TARGET cpprestsdk_openssl_internal)
+    return()
+  endif()
+
+  if(IOS)
+    set(IOS_SOURCE_DIR "${PROJECT_SOURCE_DIR}/Build_iOS")
+
+    set(OPENSSL_INCLUDE_DIR "${IOS_SOURCE_DIR}/openssl/include" CACHE INTERNAL "")
+    set(OPENSSL_LIBRARIES
+      "${IOS_SOURCE_DIR}/openssl/lib/libcrypto.a"
+      "${IOS_SOURCE_DIR}/openssl/lib/libssl.a"
+      CACHE INTERNAL ""
+      )
+    set(_SSL_LEAK_SUPPRESS_AVAILABLE ON CACHE INTERNAL "")
+  elseif(ANDROID)
+    if(ARM)
+      set(OPENSSL_INCLUDE_DIR "${CMAKE_BINARY_DIR}/../openssl/armeabi-v7a/include" CACHE INTERNAL "")
+      set(OPENSSL_LIBRARIES
+        "${CMAKE_BINARY_DIR}/../openssl/armeabi-v7a/lib/libssl.a"
+        "${CMAKE_BINARY_DIR}/../openssl/armeabi-v7a/lib/libcrypto.a"
+        CACHE INTERNAL ""
+        )
+    else()
+      set(OPENSSL_INCLUDE_DIR "${CMAKE_BINARY_DIR}/../openssl/x86/include" CACHE INTERNAL "")
+      set(OPENSSL_LIBRARIES
+        "${CMAKE_BINARY_DIR}/../openssl/x86/lib/libssl.a"
+        "${CMAKE_BINARY_DIR}/../openssl/x86/lib/libcrypto.a"
+        CACHE INTERNAL ""
+        )
+    endif()
+    set(_SSL_LEAK_SUPPRESS_AVAILABLE ON CACHE INTERNAL "")
+  else()
+    if(APPLE)
+      if(NOT DEFINED OPENSSL_ROOT_DIR)
+        # Prefer a homebrew version of OpenSSL over the one in /usr/lib
+        file(GLOB OPENSSL_ROOT_DIR /usr/local/Cellar/openssl/*)
+        # Prefer the latest (make the latest one first)
+        list(REVERSE OPENSSL_ROOT_DIR)
+      endif()
+      # This should prevent linking against the system provided 0.9.8y
+      set(_OPENSSL_VERSION "")
+    endif()
+    if(UNIX)
+      find_package(PkgConfig)
+      pkg_search_module(OPENSSL openssl)
+    endif()
+    if(OPENSSL_FOUND)
+      target_link_libraries(cpprest PRIVATE ${OPENSSL_LDFLAGS})
+    else()
+      find_package(OpenSSL 1.0.0 REQUIRED)
+    endif()
+
+    INCLUDE(CheckCXXSourceCompiles)
+    set(CMAKE_REQUIRED_INCLUDES "${OPENSSL_INCLUDE_DIR}")
+    set(CMAKE_REQUIRED_LIBRARIES "${OPENSSL_LIBRARIES}")
+    CHECK_CXX_SOURCE_COMPILES("
+      #include <openssl/ssl.h>
+      int main()
+      {
+      ::SSL_COMP_free_compression_methods();
+      }
+    " _SSL_LEAK_SUPPRESS_AVAILABLE)
+  endif()
+
+  add_library(cpprestsdk_openssl_internal INTERFACE)
+  if(TARGET OpenSSL::SSL)
+    target_link_libraries(cpprestsdk_openssl_internal INTERFACE OpenSSL::SSL)
+  else()
+    target_link_libraries(cpprestsdk_openssl_internal INTERFACE "$<BUILD_INTERFACE:${OPENSSL_LIBRARIES}>")
+    target_include_directories(cpprestsdk_openssl_internal INTERFACE "$<BUILD_INTERFACE:${OPENSSL_INCLUDE_DIR}>")
+  endif()
+
+  if (NOT _SSL_LEAK_SUPPRESS_AVAILABLE)
+    # libressl doesn't ship with the cleanup method being used in ws_client_wspp
+    target_compile_definitions(cpprestsdk_openssl_internal INTERFACE -DCPPREST_NO_SSL_LEAK_SUPPRESS)
+  endif()
+endfunction()
diff --git a/include/signalrclient/signalr_client_config.h b/include/signalrclient/signalr_client_config.h
index 5337bb90..14c834a5 100644
--- a/include/signalrclient/signalr_client_config.h
+++ b/include/signalrclient/signalr_client_config.h
@@ -4,13 +4,13 @@
 
 #pragma once
 
-#ifdef USE_CPPRESTSDK
+// #ifdef USE_CPPRESTSDK
 #pragma warning (push)
 #pragma warning (disable : 5204 4355 4625 4626 4868)
 #include <cpprest/http_client.h>
 #include <cpprest/ws_client.h>
 #pragma warning (pop)
-#endif
+// #endif
 
 #include "_exports.h"
 #include <map>
@@ -21,7 +21,7 @@ namespace signalr
     class signalr_client_config
     {
     public:
-#ifdef USE_CPPRESTSDK
+// #ifdef USE_CPPRESTSDK
         SIGNALRCLIENT_API void __cdecl set_proxy(const web::web_proxy &proxy);
         // Please note that setting credentials does not work in all cases.
         // For example, Basic Authentication fails under Win32.
@@ -34,17 +34,17 @@ namespace signalr
 
         SIGNALRCLIENT_API web::websockets::client::websocket_client_config __cdecl get_websocket_client_config() const noexcept;
         SIGNALRCLIENT_API void __cdecl set_websocket_client_config(const web::websockets::client::websocket_client_config& websocket_client_config);
-#endif
+// #endif
 
         SIGNALRCLIENT_API const std::map<std::string, std::string>& __cdecl get_http_headers() const noexcept;
         SIGNALRCLIENT_API std::map<std::string, std::string>& __cdecl get_http_headers() noexcept;
         SIGNALRCLIENT_API void __cdecl set_http_headers(const std::map<std::string, std::string>& http_headers);
 
     private:
-#ifdef USE_CPPRESTSDK
+// #ifdef USE_CPPRESTSDK
         web::http::client::http_client_config m_http_client_config;
         web::websockets::client::websocket_client_config m_websocket_client_config;
-#endif
+// #endif
         std::map<std::string, std::string> m_http_headers;
     };
 }
diff --git a/samples/HubConnectionSample/CMakeLists.txt b/samples/HubConnectionSample/CMakeLists.txt
index b75653de..cf58c712 100644
--- a/samples/HubConnectionSample/CMakeLists.txt
+++ b/samples/HubConnectionSample/CMakeLists.txt
@@ -3,8 +3,33 @@ set (SOURCES
 )
 
 include_directories(
-    ../../include/signalrclient)
+    ../../include/signalrclient
+  ../../third_party_code/cpprestsdk
+  ../../third_party_code/jsoncpp
+  ${CPPREST_INCLUDE_DIR}
+)
+  
+link_directories(
+    ${CPPREST_LIBRARY_DIR}
+)    
 
 add_executable (HubConnectionSample ${SOURCES})
 
+target_link_libraries(HubConnectionSample
+                    ${CPPREST_LIB} 
+                    OpenSSL::SSL
+                    OpenSSL::Crypto
+                    Boost::boost
+                    Boost::system
+                    Boost::chrono
+                    Boost::thread
+)
+message(${EXTRA_FLAGS})
+
+# add_library(signalrclient_static STATIC IMPORTED)
+# set_property(TARGET signalrclient_static PROPERTY IMPORTED_LOCATION
+#     "/home/anyconnect/projects/signalr/build.debug/bin/libsignalrclient.a"
+# )
+# target_link_libraries(HubConnectionSample signalrclient_static)
+
 target_link_libraries(HubConnectionSample signalrclient)
diff --git a/src/signalrclient/CMakeLists.txt b/src/signalrclient/CMakeLists.txt
index de8b7a54..63b331d3 100644
--- a/src/signalrclient/CMakeLists.txt
+++ b/src/signalrclient/CMakeLists.txt
@@ -29,7 +29,7 @@ include_directories(
     ../../third_party_code/cpprestsdk
     ../../third_party_code/jsoncpp)
 
-add_library (signalrclient SHARED ${SOURCES})
+add_library (signalrclient STATIC ${SOURCES})
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
     if(WERROR)
@@ -68,7 +68,12 @@ endif()
 if(NOT USE_CPPRESTSDK)
   target_link_libraries(signalrclient)
 else()
-  if(APPLE)
+  if(IOS)
+    target_link_libraries(signalrclient
+      PUBLIC ${CPPREST_LIB}
+      PRIVATE cpprestsdk_boost_internal cpprestsdk_openssl_internal
+    )
+  elseif(APPLE)
     target_link_libraries(signalrclient
       PUBLIC ${CPPREST_LIB}
       PRIVATE OpenSSL::SSL Boost::boost Boost::system Boost::chrono Boost::thread
@@ -91,4 +96,4 @@ install(TARGETS signalrclient
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-)
\ No newline at end of file
+)
diff --git a/src/signalrclient/signalr_client_config.cpp b/src/signalrclient/signalr_client_config.cpp
index 1e2c219a..dd1bfe27 100644
--- a/src/signalrclient/signalr_client_config.cpp
+++ b/src/signalrclient/signalr_client_config.cpp
@@ -7,7 +7,7 @@
 
 namespace signalr
 {
-#ifdef USE_CPPRESTSDK
+// #ifdef USE_CPPRESTSDK
     void signalr_client_config::set_proxy(const web::web_proxy &proxy)
     {
         m_http_client_config.set_proxy(proxy);
@@ -39,7 +39,7 @@ namespace signalr
     {
         m_websocket_client_config = websocket_client_config;
     }
-#endif
+// #endif
 
     const std::map<std::string, std::string>& signalr_client_config::get_http_headers() const noexcept
     {