--- a/ipc/chromium/src/base/time_win.cc
+++ b/ipc/chromium/src/base/time_win.cc
@@ -33,17 +33,19 @@
 // will only increase the system-wide timer if we're not running on battery
 // power.  Using timeBeginPeriod(1) is a requirement in order to make our
 // message loop waits have the same resolution that our time measurements
 // do.  Otherwise, WaitForSingleObject(..., 1) will no less than 15ms when
 // there is nothing else to waken the Wait.
 
 #include "base/time.h"
 
+#ifndef __MINGW32__
 #pragma comment(lib, "winmm.lib")
+#endif
 #include <windows.h>
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
 #include "base/lock.h"
 #include "base/logging.h"
 #include "base/singleton.h"
 #include "mozilla/Casting.h"

--- a/media/gmp-clearkey/0.1/WMFUtils.cpp
+++ b/media/gmp-clearkey/0.1/WMFUtils.cpp
@@ -19,18 +19,20 @@
 #include <versionhelpers.h>
 
 #include <algorithm>
 #include <stdio.h>
 
 #define INITGUID
 #include <guiddef.h>
 
+#ifndef __MINGW32__
 #pragma comment(lib, "mfuuid.lib")
 #pragma comment(lib, "wmcodecdspuuid")
+#endif
 
 void LOG(const char* format, ...)
 {
 #ifdef WMF_DECODER_LOG
   va_list args;
   va_start(args, format);
   vprintf(format, args);
 #endif

--- a/testing/tools/screenshot/win32-screenshot.cpp
+++ b/testing/tools/screenshot/win32-screenshot.cpp
@@ -37,17 +37,19 @@
  // VS2015: Platform SDK 8.1's GdiplusTypes.h uses the min macro
 #undef NOMINMAX
 #undef WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <gdiplus.h>
 
 // Link w/ subsystem windows so we don't get a console when executing
 // this binary.
+#ifndef __MINGW32__
 #pragma comment(linker, "/SUBSYSTEM:windows /ENTRY:wmainCRTStartup")
+#endif
 
 using namespace Gdiplus;
 
 // From http://msdn.microsoft.com/en-us/library/ms533843%28VS.85%29.aspx
 static int GetEncoderClsid(const WCHAR* format, CLSID* pClsid)
 {
   UINT  num = 0;          // number of image encoders
   UINT  size = 0;         // size of the image encoder array in bytes

old mode 100644
new mode 100755
--- a/toolkit/components/maintenanceservice/workmonitor.cpp
+++ b/toolkit/components/maintenanceservice/workmonitor.cpp
@@ -3,21 +3,23 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include <shlobj.h>
 #include <shlwapi.h>
 #include <wtsapi32.h>
 #include <userenv.h>
 #include <shellapi.h>
 
+#ifndef __MINGW32__
 #pragma comment(lib, "wtsapi32.lib")
 #pragma comment(lib, "userenv.lib")
 #pragma comment(lib, "shlwapi.lib")
 #pragma comment(lib, "ole32.lib")
 #pragma comment(lib, "rpcrt4.lib")
+#endif
 
 #include "nsWindowsHelpers.h"
 
 #include "workmonitor.h"
 #include "serviceinstall.h"
 #include "servicebase.h"
 #include "registrycertificates.h"
 #include "uachelper.h"

old mode 100644
new mode 100755
--- a/toolkit/xre/nsWindowsRestart.cpp
+++ b/toolkit/xre/nsWindowsRestart.cpp
@@ -12,17 +12,19 @@
 #endif
 
 #include "nsUTF8Utils.h"
 
 #include <shellapi.h>
 
 // Needed for CreateEnvironmentBlock
 #include <userenv.h>
+#ifndef __MINGW32__
 #pragma comment(lib, "userenv.lib")
+#endif
 
 /**
  * Get the length that the string will take and takes into account the
  * additional length if the string needs to be quoted and if characters need to
  * be escaped.
  */
 static int ArgStrLen(const wchar_t *s)
 {