libs: adjusted cURL for windows compilation

curl/lib/CMakeLists.txt

@@ -86,6 +86,26 @@ if(WIN32)
   add_definitions(-D_USRDLL)
 endif()
 
+if(MSVC)
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /EHsc /O2")
+  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /EHa /W3")
+
+  set(CompilerFlags
+          CMAKE_CXX_FLAGS
+          CMAKE_CXX_FLAGS_DEBUG
+          CMAKE_CXX_FLAGS_RELEASE
+          CMAKE_C_FLAGS
+          CMAKE_C_FLAGS_DEBUG
+          CMAKE_C_FLAGS_RELEASE
+          )
+
+  foreach(CompilerFlag ${CompilerFlags})
+    string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+  endforeach()
+
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /NODEFAULTLIB:MSVCRT.lib")
+endif()
+
 set_target_properties(${LIB_NAME} PROPERTIES COMPILE_DEFINITIONS BUILDING_LIBCURL)
 
 if(HIDES_CURL_PRIVATE_SYMBOLS)