win32 { LIBS += -luser32 } # Optional dependency on Windows SDK 7 !contains(QMAKE_TARGET.arch, x86_64) { win32:exists(C:\Program Files\Microsoft SDKs\Windows\v7.1\Include\Windows.h) { LIBS += -L"C:\Program Files\Microsoft SDKs\Windows\v7.1\Lib" -ldwmapi DEFINES += "USEWINSDK" message(Using Windows SDK 7) } } # Optional dependency on Windows SDK 10 contains(QMAKE_TARGET.arch, x86_64) { WIN_SDK_VERSION = $$(WindowsSDKVersion) !isEmpty(WIN_SDK_VERSION) { !equals(WIN_SDK_VERSION, "\\") { DEFINES += "USEWINSDK" message(Using Windows SDK 10) } } }