[A]Support for windows.

[B]Modify README.md.

sdk_core/CMakeLists.txt

@@ -3,25 +3,32 @@ cmake_minimum_required(VERSION 3.0)
 set(SDK_LIBRARY ${PROJECT_NAME}_static)
 add_library(${SDK_LIBRARY} STATIC "")
 
-find_package(PkgConfig)
-pkg_check_modules(APR apr-1)
+if (WIN32)
+    find_path(APR_INCLUDE_DIRS apr.h)
+    find_library(APR_LIBRARIES libapr-1)
+    if (APR_LIBRARIES AND APR_INCLUDE_DIRS)
+        set(APR_FOUND "YES")
+    endif (APR_LIBRARIES AND APR_INCLUDE_DIRS)
+else (WIN32)
+    find_package(PkgConfig)
+    pkg_check_modules(APR apr-1)
+endif (WIN32)
+
 if (APR_FOUND)
     target_include_directories(${SDK_LIBRARY}
             PRIVATE
             ${APR_INCLUDE_DIRS})
     target_link_libraries(${SDK_LIBRARY}
-            PRIVATE
+            PUBLIC
             ${APR_LIBRARIES})
-elseif ()
-    message("Can't find Apache Runtime Library, please install.")
 endif ()
 
-
 find_package(Boost 1.54 REQUIRED COMPONENTS system)
 if (Boost_FOUND AND Boost_VERSION LESS 106900)
     target_link_libraries(${SDK_LIBRARY}
-            PRIVATE
-            ${Boost_LIBRARIES})
+            PUBLIC
+            Boost::boost
+            Boost::system)
 endif ()
 
 target_include_directories(${SDK_LIBRARY}
@@ -84,3 +91,4 @@ install(TARGETS ${SDK_LIBRARY}
         ARCHIVE DESTINATION lib
         LIBRARY DESTINATION lib)
 
+