set(XINPUT, "xinput") sets the variable "XINPUT," to "xinput",
so this variable is never used anyways

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a443b66..61ff7b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,11 +9,11 @@ option(GAINPUT_TESTS "Build Tests for Gainput" ON)
 option(GAINPUT_BUILD_SHARED "BUILD_SHARED" ON)
 option(GAINPUT_BUILD_STATIC "BUILD_STATIC" ON)
 
-if(!WIN32)
+if(NOT WIN32)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Wextra")
 else()
 	set(XINPUT "Xinput9_1_0")
-	if ( ${CMAKE_SYSTEM_VERSION} LESS 6.1 )
+	if ( 0 )
 		set(XINPUT, "xinput")
 	endif()
 endif()
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index cb7232f..a6ae3d9 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -55,15 +55,21 @@ elseif(APPLE)
 	find_library(FOUNDATION Foundation)
 	find_library(IOKIT IOKit)
   find_library(GAME_CONTROLLER GameController)
+	if (GAINPUT_BUILD_SHARED)
 	target_link_libraries(gainput ${FOUNDATION} ${IOKIT} ${GAME_CONTROLLER})
+	endif()
   if(IOS)
       find_library(UIKIT UIKit)
       find_library(COREMOTION CoreMotion)
       find_library(QUARTZCORE QuartzCore)
+      if (GAINPUT_BUILD_SHARED)
       target_link_libraries(gainput ${UIKIT} ${COREMOTION})
+      endif()
   else()
       find_library(APPKIT AppKit)
+      if (GAINPUT_BUILD_SHARED)
       target_link_libraries(gainput ${APPKIT})
+      endif()
   endif()
 endif()