diff -r 8a29b371e2db CMakeLists.txt
--- a/CMakeLists.txt	Tue Jun 06 14:06:40 2017 -0400
+++ b/CMakeLists.txt	Thu Jun 08 08:55:00 2017 +0300
@@ -1092,6 +1092,16 @@
         #include <windows.h>
         #include <xinput.h>
         int main(int argc, char **argv) { }" HAVE_XINPUT_H)
+      check_c_source_compiles("
+        #include <windows.h>
+        #include <xinput.h>
+        XINPUT_GAMEPAD_EX x1;
+        int main(int argc, char **argv) { }" HAVE_XINPUT_GAMEPAD_EX)
+      check_c_source_compiles("
+        #include <windows.h>
+        #include <xinput.h>
+        XINPUT_STATE_EX s1;
+        int main(int argc, char **argv) { }" HAVE_XINPUT_STATE_EX)
     else()
       check_include_file(xinput.h HAVE_XINPUT_H)
     endif()
diff -r 8a29b371e2db configure.in
--- a/configure.in	Tue Jun 06 14:06:40 2017 -0400
+++ b/configure.in	Thu Jun 08 08:55:00 2017 +0300
@@ -2716,6 +2716,16 @@
         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
+        AC_TRY_COMPILE([
+#include <windows.h>
+#include <xinput.h>
+XINPUT_GAMEPAD_EX x1;
+        ],[],[have_xinput_gamepadex=yes])
+        AC_TRY_COMPILE([
+#include <windows.h>
+#include <xinput.h>
+XINPUT_STATE_EX s1;
+        ],[],[have_xinput_stateex=yes])
 
         if test x$have_ddraw = xyes; then
             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
@@ -2732,6 +2742,12 @@
         if test x$have_xinput = xyes; then
             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
         fi
+        if test x$have_xinput_gamepadex = xyes; then
+            AC_DEFINE(HAVE_XINPUT_GAMEPAD_EX, 1, [ ])
+        fi
+        if test x$have_xinput_stateex = xyes; then
+            AC_DEFINE(HAVE_XINPUT_STATE_EX, 1, [ ])
+        fi
 
         SUMMARY_video="${SUMMARY_video} directx"
         SUMMARY_audio="${SUMMARY_audio} directx"
diff -r 8a29b371e2db configure
--- a/configure	Tue Jun 06 14:06:40 2017 -0400
+++ b/configure	Thu Jun 08 08:55:00 2017 +0300
@@ -22540,6 +22540,44 @@
 fi
 
 
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <windows.h>
+#include <xinput.h>
+XINPUT_GAMEPAD_EX x1;
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  have_xinput_gamepadex=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <windows.h>
+#include <xinput.h>
+XINPUT_STATE_EX s1;
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  have_xinput_stateex=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
         if test x$have_ddraw = xyes; then
 
@@ -22566,6 +22604,16 @@
 $as_echo "#define HAVE_XINPUT_H 1" >>confdefs.h
 
         fi
+        if test x$have_xinput_gamepadex = xyes; then
+
+$as_echo "#define HAVE_XINPUT_GAMEPAD_EX 1" >>confdefs.h
+
+        fi
+        if test x$have_xinput_stateex = xyes; then
+
+$as_echo "#define HAVE_XINPUT_STATE_EX 1" >>confdefs.h
+
+        fi
 
         SUMMARY_video="${SUMMARY_video} directx"
         SUMMARY_audio="${SUMMARY_audio} directx"
diff -r 8a29b371e2db include/SDL_config.h.cmake
--- a/include/SDL_config.h.cmake	Tue Jun 06 14:06:40 2017 -0400
+++ b/include/SDL_config.h.cmake	Thu Jun 08 08:55:00 2017 +0300
@@ -55,6 +55,8 @@
 #cmakedefine HAVE_XAUDIO2_H @HAVE_XAUDIO2_H@
 #cmakedefine HAVE_XINPUT_H @HAVE_XINPUT_H@
 #cmakedefine HAVE_DXGI_H @HAVE_DXGI_H@
+#cmakedefine HAVE_XINPUT_GAMEPAD_EX @HAVE_XINPUT_GAMEPAD_EX@
+#cmakedefine HAVE_XINPUT_STATE_EX @HAVE_XINPUT_STATE_EX@
 
 /* Comment this if you want to build without any C library requirements */
 #cmakedefine HAVE_LIBC 1
diff -r 8a29b371e2db include/SDL_config.h.in
--- a/include/SDL_config.h.in	Tue Jun 06 14:06:40 2017 -0400
+++ b/include/SDL_config.h.in	Thu Jun 08 08:55:00 2017 +0300
@@ -55,6 +55,8 @@
 #undef HAVE_DSOUND_H
 #undef HAVE_DXGI_H
 #undef HAVE_XINPUT_H
+#undef HAVE_XINPUT_GAMEPAD_EX
+#undef HAVE_XINPUT_STATE_EX
 
 /* Comment this if you want to build without any C library requirements */
 #undef HAVE_LIBC
diff -r 8a29b371e2db include/SDL_config_windows.h
--- a/include/SDL_config_windows.h	Tue Jun 06 14:06:40 2017 -0400
+++ b/include/SDL_config_windows.h	Thu Jun 08 08:55:00 2017 +0300
@@ -82,6 +82,8 @@
 #define HAVE_DSOUND_H 1
 #define HAVE_DXGI_H 1
 #define HAVE_XINPUT_H 1
+#define HAVE_XINPUT_GAMEPAD_EX 1
+#define HAVE_XINPUT_STATE_EX 1
 
 /* This is disabled by default to avoid C runtime dependencies and manifest requirements */
 #ifdef HAVE_LIBC
diff -r 8a29b371e2db src/core/windows/SDL_xinput.h
--- a/src/core/windows/SDL_xinput.h	Tue Jun 06 14:06:40 2017 -0400
+++ b/src/core/windows/SDL_xinput.h	Thu Jun 08 08:55:00 2017 +0300
@@ -101,13 +101,7 @@
 
 /* typedef's for XInput structs we use */
 
-/* Don't redeclare these on MinGW with gcc >= 5.0.2 */
-#if defined(__MINGW32__) && (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__) >= 50002)
-#define HAS_XINPUT_GAMEPAD_EX
-#define HAS_XINPUT_STATE_EX
-#endif
-
-#ifndef HAS_XINPUT_GAMEPAD_EX
+#ifndef HAVE_XINPUT_GAMEPAD_EX
 typedef struct
 {
     WORD wButtons;
@@ -121,7 +115,7 @@
 } XINPUT_GAMEPAD_EX;
 #endif
 
-#ifndef HAS_XINPUT_STATE_EX
+#ifndef HAVE_XINPUT_STATE_EX
 typedef struct
 {
     DWORD dwPacketNumber;