Changes for MinGW compiler

test/format-test.cc

@@ -35,7 +35,7 @@
 #include <memory>
 #include <sstream>
 
-#ifdef _WIN32
+#if defined(_WIN32) && !defined(__MINGW32__)
 // Fix MSVC warning about "unsafe" fopen.
 FILE *FOpen(const char *filename, const char *mode) {
   FILE *f = 0;

test/gtest-extra-test.cc

@@ -32,13 +32,13 @@
 #include <stdexcept>
 #include <gtest/gtest-spi.h>
 
-#ifdef _WIN32
+#if defined(_WIN32) && !defined(__MINGW32__)
 # include <crtdbg.h>  // for _CrtSetReportMode
 #endif  // _WIN32
 
 namespace {
 
-#ifdef _WIN32
+#if defined(_WIN32) && !defined(__MINGW32__)
 
 // Suppresses Windows assertions on invalid file descriptors, making
 // POSIX functions return proper error codes instead of crashing on Windows.

test/util-test.cc

@@ -43,7 +43,7 @@ using fmt::StringRef;
 
 namespace {
 std::string GetSystemErrorMessage(int error_code) {
-#ifndef _WIN32
+#if defined(__MINGW32__) || !defined(_WIN32)
   return strerror(error_code);
 #else
   enum { BUFFER_SIZE = 200 };