Fix build for mingw-w64

src/framework/CMakeLists.txt

@@ -160,7 +160,7 @@ endif()
 include(FindCXX11)
 
 # gcc compile flags
-set(WARNS_FLAGS "-Wall -Wextra -Wno-unused -Wno-unused-parameter")
+set(WARNS_FLAGS "-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wno-unused-result")
 set(CMAKE_CXX_FLAGS                   "${CMAKE_CXX_FLAGS} ${WARNS_FLAGS} ${ARCH_FLAGS} ${CPP2011_FLAGS} -pipe")
 set(CMAKE_CXX_FLAGS_COMPILESPEED      "-O0")
 set(CMAKE_CXX_FLAGS_DEBUG             "-O0 -g")
@@ -267,7 +267,7 @@ endif()
 
 if(WIN32)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mthreads")
-    set(framework_DEFINITIONS ${framework_DEFINITIONS} -D_WIN32_WINNT=0x0501)
+    set(framework_DEFINITIONS ${framework_DEFINITIONS} -D_WIN32_WINNT=0x0501 -DWIN32)
     #set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,--large-address-aware") # strip all debug information
     set(SYSTEM_LIBRARIES "")
 else()