--- abseil-cpp/absl/base/internal/thread_identity.cc.orig	2021-05-12 14:51:02.638771000 -0700
+++ abseil-cpp/absl/base/internal/thread_identity.cc	2021-05-12 14:52:20.513767600 -0700
@@ -14,7 +14,7 @@
 
 #include "absl/base/internal/thread_identity.h"
 
-#ifndef _WIN32
+#if !defined(_WIN32) || defined(__MINGW32__)
 #include <pthread.h>
 #include <signal.h>
 #endif