diff --git a/src/arch.h b/src/arch.h
index 0a1bf3de..ca819170 100644
--- a/src/arch.h
+++ b/src/arch.h
@@ -435,6 +435,53 @@
         (addr = (void*)_aligned_malloc((size), (align)))
     #define free_align(addr) _aligned_free(addr)
 
+#ifdef __MINGW32__
+    #ifndef spin_t
+        // spinlock
+        #include <pthread.h>
+        #define spin_t pthread_spinlock_t
+        #define spin_init(arg) pthread_spin_init(arg, PTHREAD_PROCESS_SHARED)
+        #define spin_lock(arg) pthread_spin_lock(arg)
+        #define spin_trylock(arg) \
+            (pthread_spin_trylock(arg) == 0)
+        #define spin_unlock(arg) pthread_spin_unlock(arg)
+        #define spin_destroy(arg) pthread_spin_destroy(arg)
+        #define SPIN_INITIALIZER (spin_t)(1)
+    #endif
+    #ifndef mutex_t
+        // mutex
+        #include <pthread.h>
+        #define mutex_t pthread_mutex_t
+        #define mutex_init(arg) pthread_mutex_init(arg, NULL)
+        #define mutex_lock(arg) pthread_mutex_lock(arg)
+        #define mutex_trylock(arg) \
+            (pthread_mutex_trylock(arg) == 0)
+        #define mutex_unlock(arg) pthread_mutex_unlock(arg)
+        #define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+        #define mutex_destroy(arg) pthread_mutex_destroy(arg)
+    #endif
+    #ifndef thread_t
+        // thread
+        #include <pthread.h>
+        #define thread_t pthread_t
+        #define thread_cond_t pthread_cond_t
+        #define thread_create(tid, func, args) \
+            pthread_create((tid), NULL, (func), (args))
+        #define thread_join(tid, ret) pthread_join(tid, ret)
+        #define thread_cancel(tid) pthread_cancel(tid)
+        #define thread_exit(code) pthread_exit(code)
+        #define thread_cond_init(cond) pthread_cond_init(cond, NULL)
+        #define thread_cond_destroy(cond) pthread_cond_destroy(cond)
+        #define thread_cond_wait(cond, mutex) pthread_cond_wait(cond, mutex)
+        #define thread_cond_timedwait(cond, mutex, ms) \
+            { \
+            struct timespec ts = convert_reltime_to_abstime(ms); \
+            pthread_cond_timedwait(cond, mutex, &ts); \
+            }
+        #define thread_cond_signal(cond) pthread_cond_signal(cond)
+        #define thread_cond_broadcast(cond) pthread_cond_broadcast(cond)
+    #endif
+#else
     #ifndef spin_t
         // spinlock
         #define spin_t CRITICAL_SECTION
@@ -474,6 +521,7 @@
         #define thread_cond_signal(cond) WakeConditionVariable(cond)
         #define thread_cond_broadcast(cond) WakeAllConditionVariable(cond)
     #endif
+#endif
 
 #elif __CYGWIN__
     // cygwin compatiable
diff --git a/src/atomic.h b/src/atomic.h
index 07b05374..c5c3d2b5 100644
--- a/src/atomic.h
+++ b/src/atomic.h
@@ -165,7 +165,7 @@ extern "C" {
 #endif
 
 // RW Lock(s)
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
 #include <pthread.h>
 typedef pthread_rwlock_t fdb_rw_lock;
 #else   // WINDOWS
@@ -176,7 +176,7 @@ typedef SRWLOCK fdb_rw_lock;
 // ---> RW Lock
 
 INLINE int init_rw_lock(fdb_rw_lock *lock) {
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
     int rv = pthread_rwlock_init(lock, NULL);
     return rv;
 #else
@@ -197,7 +197,7 @@ INLINE int destroy_rw_lock(fdb_rw_lock *lock) {
 }
 
 INLINE int reader_lock(fdb_rw_lock *lock) {
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
     int result = pthread_rwlock_rdlock(lock);
     if (result != 0) {
         fprintf(stderr, "pthread_rwlock_rdlock returned %d (%s)\n",
@@ -211,7 +211,7 @@ INLINE int reader_lock(fdb_rw_lock *lock) {
 }
 
 INLINE int reader_unlock(fdb_rw_lock *lock) {
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
     int result = pthread_rwlock_unlock(lock);
     if (result != 0) {
         fprintf(stderr, "pthread_rwlock_unlock returned %d (%s)\n",
@@ -225,7 +225,7 @@ INLINE int reader_unlock(fdb_rw_lock *lock) {
 }
 
 INLINE int writer_lock(fdb_rw_lock *lock) {
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
     int result = pthread_rwlock_wrlock(lock);
     if (result != 0) {
         fprintf(stderr, "pthread_rwlock_wrlock returned %d (%s)\n",
@@ -239,7 +239,7 @@ INLINE int writer_lock(fdb_rw_lock *lock) {
 }
 
 INLINE int writer_unlock(fdb_rw_lock *lock) {
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
     int result = pthread_rwlock_unlock(lock);
     if (result != 0) {
         fprintf(stderr, "pthread_rwlock_unlock returned %d (%s)\n",
diff --git a/src/filemgr.h b/src/filemgr.h
index ef648e1a..8fddfd80 100644
--- a/src/filemgr.h
+++ b/src/filemgr.h
@@ -18,7 +18,9 @@
 #pragma once
 
 #include <sys/types.h>
+#if !defined(__MINGW32__)
 #include <sys/stat.h>
+#endif
 #include <stdint.h>
 #include <errno.h>
 
diff --git a/src/kvs_handle.h b/src/kvs_handle.h
index 4acdb993..c6932ff7 100644
--- a/src/kvs_handle.h
+++ b/src/kvs_handle.h
@@ -33,7 +33,7 @@ class BtreeV2;
 // _Atomic_address::store(void *) which breaks const qualifier
 // So to work around this, declare func_name_t as char * on windows only
 // compatible with __FUNCTION__ type.
-#if defined(WIN32) || defined(_WIN32)
+#if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
     #define BEGIN_HANDLE_BUSY(H) ((H)->beginBusy(__FUNCTION__))
     #define END_HANDLE_BUSY(H)   ((H)->endBusy(__FUNCTION__))
     typedef char * func_name_t;
diff --git a/tests/include/test.h b/tests/include/test.h
index 26703974..1c9f0ae5 100644
--- a/tests/include/test.h
+++ b/tests/include/test.h
@@ -21,6 +21,10 @@
 #include <time.h>
 #if !defined(WIN32) && !defined(_WIN32)
 #include <sys/time.h>
+#else
+#if defined (__MINGW32__)
+#include <sys/time.h>
+#endif
 #endif
 #include "time_utils.h"
 
diff --git a/utils/gettimeofday_vs.h b/utils/gettimeofday_vs.h
index 69db7a9e..f6df825d 100644
--- a/utils/gettimeofday_vs.h
+++ b/utils/gettimeofday_vs.h
@@ -4,13 +4,15 @@
 #include <winsock2.h>
 #undef NOMINMAX
 #include <time.h>
-#include <Windows.h>
+#include <windows.h>
 
+#ifndef __MINGW32__
 struct timezone
 {
     int  tz_minuteswest; /* minutes W of Greenwich */
     int  tz_dsttime;     /* type of dst correction */
 };
+#endif
 
 int gettimeofday_vs(struct timeval *tv, void *tz);
 
diff --git a/utils/time_utils.cc b/utils/time_utils.cc
index 9affd43d..3940787e 100644
--- a/utils/time_utils.cc
+++ b/utils/time_utils.cc
@@ -41,7 +41,7 @@ extern "C" hrtime_t gethrtime_period(void)
 }
 #endif // _PLATFORM_LIB_AVAILABLE
 
-#if defined(WIN32) || defined(_WIN32)
+#if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
 
 #ifndef _PLATFORM_LIB_AVAILABLE
 void usleep(unsigned int usec)
@@ -118,10 +118,18 @@ void decaying_usleep(unsigned int *sleep_time, unsigned int max_sleep_time) {
 */
 ts_nsec get_monotonic_ts() {
     ts_nsec ts = 0;
-#if defined(WIN32)
+#if defined(WIN32) || defined (_WIN32)
+#ifdef __MINGW32__
+    struct timespec tm;
+    if (clock_gettime(CLOCK_MONOTONIC, &tm) == -1) {
+        abort();
+    }
+    ts = tm.tv_nsec;
+#else
     LARGE_INTEGER _ts;
     QueryPerformanceCounter(&_ts);
     ts = _ts.QuadPart;
+#endif
 #elif defined(__APPLE__)
     long time = mach_absolute_time();
 
@@ -153,10 +161,12 @@ ts_nsec ts_diff(ts_nsec start, ts_nsec end)
     } else {
         diff = end-start;
     }
-#if defined(WIN32)
+#if defined(WIN32) || defined (_WIN32)
+#ifndef __MINGW32__
     LARGE_INTEGER Pf;
     QueryPerformanceFrequency(&Pf);
     return diff / (Pf.QuadPart/1000000);
+#endif
 #else
     return diff/1000;
 #endif // defined(WIN32)
diff --git a/utils/time_utils.h b/utils/time_utils.h
index c89b599e..4436133d 100644
--- a/utils/time_utils.h
+++ b/utils/time_utils.h
@@ -17,7 +17,7 @@
 
 #pragma once
 
-#if defined(WIN32) || defined(_WIN32)
+#if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
 #include <winsock2.h>
 #include <Windows.h>
 #else
@@ -50,13 +50,15 @@ uint64_t timeval_to_us(struct timeval tv);
 #else
 // If platform library has not been included, usleep
 // needs to be explicitly defined for windows.
+#if !defined(__MINGW32__)
 void usleep(unsigned int useconds);
+#endif
 #endif // _PLATFORM_LIB_AVAILABLE
 #endif // defined(WIN32) || defined(_WIN32)
 
 void decaying_usleep(unsigned int *sleep_time, unsigned int max_sleep_time);
 
-#if !defined(WIN32) && !defined(_WIN32)
+#if (!defined(WIN32) && !defined(_WIN32)) || defined(__MINGW32__)
 struct timespec convert_reltime_to_abstime(unsigned int ms);
 #endif