--- a/psutil/_psutil_common.c
+++ b/psutil/_psutil_common.c
@@ -288,6 +288,8 @@
 }
 
 
+#ifndef __MINGW32__
+
 static int
 psutil_loadlibs() {
     // --- Mandatory
@@ -367,6 +369,7 @@
     return 0;
 }
 
+#endif /* !__MINGW32__ */
 
 static int
 psutil_set_winver() {
@@ -439,8 +442,10 @@
         PSUTIL_DEBUG = 1;
 
 #ifdef PSUTIL_WINDOWS
+#ifndef __MINGW32__
     if (psutil_loadlibs() != 0)
         return 1;
+#endif
     if (psutil_set_winver() != 0)
         return 1;
     GetSystemInfo(&PSUTIL_SYSTEM_INFO);
--- a/psutil/arch/windows/ntextapi.h
+++ b/psutil/arch/windows/ntextapi.h
@@ -56,6 +56,8 @@
     MaximumThreadState
 } KTHREAD_STATE, *PKTHREAD_STATE;
 
+#ifndef __MINGW32__
+
 typedef enum _KWAIT_REASON {
     Executive,
     FreePage,
@@ -146,6 +148,8 @@
     WTSInit,                // WinStation in initialization
 } WTS_CONNECTSTATE_CLASS;
 
+#endif /* !_MINGW32__ */
+
 // ================================================================
 // Structs.
 // ================================================================
@@ -362,6 +366,9 @@
 } RTL_USER_PROCESS_PARAMETERS_, *PRTL_USER_PROCESS_PARAMETERS_;
 
 // users()
+
+#ifndef __MINGW32__
+
 typedef struct _WTS_SESSION_INFOW {
     DWORD SessionId;             // session id
     LPWSTR pWinStationName;      // name of WinStation this session is
@@ -399,6 +406,8 @@
 
 #define PWTSINFO PWTSINFOW
 
+#endif /* !__MINGW32__ */
+
 // cpu_count_cores()
 #if (_WIN32_WINNT < 0x0601)  // Windows < 7 (Vista and XP)
 typedef struct _SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX {
@@ -550,6 +559,8 @@
 // Type defs for modules loaded at runtime.
 // ================================================================
 
+#ifndef __MINGW32__
+
 BOOL (WINAPI *_GetLogicalProcessorInformationEx) (
     LOGICAL_PROCESSOR_RELATIONSHIP relationship,
     PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX Buffer,
@@ -704,4 +715,15 @@
 
 #define RtlNtStatusToDosErrorNoTeb _RtlNtStatusToDosErrorNoTeb
 
+
+#else /* __MINGW32__ */
+
+ULONG WINAPI RtlNtStatusToDosErrorNoTeb(NTSTATUS status);
+NTSTATUS WINAPI RtlGetVersion(PRTL_OSVERSIONINFOW lpVersionInformation);
+NTSTATUS WINAPI NtQueryVirtualMemory(HANDLE ProcessHandle, PVOID BaseAddress, int MemoryInformationClass, PVOID MemoryInformation, SIZE_T MemoryInformationLength, PSIZE_T ReturnLength);
+NTSTATUS WINAPI NtResumeProcess(HANDLE hProcess);
+NTSTATUS WINAPI NtSuspendProcess(HANDLE hProcess);
+
+#endif /* !__MINGW32__ */
+
 #endif // __NTEXTAPI_H__
--- a/psutil/arch/windows/sys.c
+++ b/psutil/arch/windows/sys.c
@@ -15,6 +15,7 @@
 
 #include <Python.h>
 #include <windows.h>
+#include <wtsapi32.h>
 
 #include "ntextapi.h"
 #include "../../_psutil_common.h"
--- a/setup.py
+++ b/setup.py
@@ -240,6 +240,9 @@
             "ws2_32",
             "PowrProf",
             "pdh",
+            "iphlpapi",
+            "ntdll",
+            "wtsapi32",
         ],
         # extra_compile_args=["/W 4"],
         # extra_link_args=["/DEBUG"],