diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 04e6087ea..7d532ca9c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -728,15 +728,7 @@ if( WIN32 )
 	set( SYSTEM_SOURCES ${PLAT_WIN32_SOURCES} )
 	set( OTHER_SYSTEM_SOURCES ${PLAT_POSIX_SOURCES} ${PLAT_SDL_SOURCES} ${PLAT_OSX_SOURCES} ${PLAT_COCOA_SOURCES} ${PLAT_UNIX_SOURCES} )
 	
-	if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
-		# CMake is not set up to compile and link rc files with GCC. :(
-		add_custom_command( OUTPUT zdoom-rc.o
-			COMMAND windres -o zdoom-rc.o -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zdoom.rc
-			DEPENDS win32/zdoom.rc )
-		set( SYSTEM_SOURCES ${SYSTEM_SOURCES} zdoom-rc.o )
-	else()
-		set( SYSTEM_SOURCES ${SYSTEM_SOURCES} win32/zdoom.rc )
-	endif()
+	set( SYSTEM_SOURCES ${SYSTEM_SOURCES} win32/zdoom.rc )
 elseif( APPLE )
 	if( OSX_COCOA_BACKEND )
 		set( SYSTEM_SOURCES_DIR posix posix/cocoa )
diff --git a/src/i_module.cpp b/src/i_module.cpp
index 1ed40310f..a82963ec5 100644
--- a/src/i_module.cpp
+++ b/src/i_module.cpp
@@ -97,5 +97,5 @@ bool FModule::Open(const char* lib)
 
 void *FModule::GetSym(const char* name)
 {
-	return GetProcAddress((HMODULE)handle, name);
+	return (void *)GetProcAddress((HMODULE)handle, name);
 }
diff --git a/src/v_video.cpp b/src/v_video.cpp
index 37cfdd480..32e1a54d3 100644
--- a/src/v_video.cpp
+++ b/src/v_video.cpp
@@ -72,7 +72,7 @@ FRenderer *Renderer;
 IMPLEMENT_ABSTRACT_CLASS (DCanvas)
 IMPLEMENT_ABSTRACT_CLASS (DFrameBuffer)
 
-#if defined(_DEBUG) && defined(_M_IX86)
+#if defined(_DEBUG) && defined(_M_IX86) && !defined(__MINGW32__)
 #define DBGBREAK	{ __asm int 3 }
 #else
 #define DBGBREAK
diff --git a/src/win32/i_crash.cpp b/src/win32/i_crash.cpp
index d4804ec0e..4a0a1b160 100644
--- a/src/win32/i_crash.cpp
+++ b/src/win32/i_crash.cpp
@@ -75,54 +75,6 @@
 #include <time.h>
 #include <zlib.h>
 
-#if defined(_WIN64) && defined(__GNUC__)
-struct KNONVOLATILE_CONTEXT_POINTERS {
-    union {
-        PDWORD64 IntegerContext[16];
-        struct {
-            PDWORD64 Rax;
-            PDWORD64 Rcx;
-            PDWORD64 Rdx;
-            PDWORD64 Rbx;
-            PDWORD64 Rsp;
-            PDWORD64 Rbp;
-            PDWORD64 Rsi;
-            PDWORD64 Rdi;
-            PDWORD64 R8;
-            PDWORD64 R9;
-            PDWORD64 R10;
-            PDWORD64 R11;
-            PDWORD64 R12;
-            PDWORD64 R13;
-            PDWORD64 R14;
-            PDWORD64 R15;
-        };
-    };
-};
-typedef
-EXCEPTION_DISPOSITION
-NTAPI
-EXCEPTION_ROUTINE (
-    struct _EXCEPTION_RECORD *ExceptionRecord,
-    PVOID EstablisherFrame,
-    struct _CONTEXT *ContextRecord,
-    PVOID DispatcherContext
-    );
-NTSYSAPI
-EXCEPTION_ROUTINE *
-NTAPI
-RtlVirtualUnwind (
-    DWORD HandlerType,
-    DWORD64 ImageBase,
-    DWORD64 ControlPc,
-    PRUNTIME_FUNCTION FunctionEntry,
-    PCONTEXT ContextRecord,
-    PVOID *HandlerData,
-    PDWORD64 EstablisherFrame,
-    KNONVOLATILE_CONTEXT_POINTERS *ContextPointers
-    );
-#endif
-
 // MACROS ------------------------------------------------------------------
 
 #define REMOTE_HOST		"localhost"
diff --git a/src/win32/i_keyboard.cpp b/src/win32/i_keyboard.cpp
index cdcf9d8d8..e62942e8d 100644
--- a/src/win32/i_keyboard.cpp
+++ b/src/win32/i_keyboard.cpp
@@ -21,6 +21,11 @@
 
 #define DINPUT_BUFFERSIZE	32
 
+// MinGW-w64 (TDM5.1 - 2016/11/21)
+#ifndef DIK_PREVTRACK
+#define DIK_PREVTRACK DIK_CIRCUMFLEX
+#endif
+
 // TYPES -------------------------------------------------------------------
 
 class FDInputKeyboard : public FKeyboard
diff --git a/src/win32/i_rawps2.cpp b/src/win32/i_rawps2.cpp
index 50de1d0f4..940ef4bb1 100644
--- a/src/win32/i_rawps2.cpp
+++ b/src/win32/i_rawps2.cpp
@@ -389,7 +389,7 @@ bool FRawPS2Controller::ProcessInput(RAWHID *raw, int code)
 {
 	// w32api has an incompatible definition of bRawData.
 	// (But the version that comes with MinGW64 is fine.)
-#if defined(__GNUC__) && !defined(_WIN64)
+#if defined(__GNUC__) && !defined(__MINGW64_VERSION_MAJOR)
 	BYTE *rawdata = &raw->bRawData;
 #else
 	BYTE *rawdata = raw->bRawData;
diff --git a/src/win32/i_specialpaths.cpp b/src/win32/i_specialpaths.cpp
index 6d4890ea9..745c12f12 100644
--- a/src/win32/i_specialpaths.cpp
+++ b/src/win32/i_specialpaths.cpp
@@ -33,6 +33,7 @@
 **
 */
 
+#define _WIN32_WINNT 0x0601
 #include <windows.h>
 #include <lmcons.h>
 #include <shlobj.h>
diff --git a/src/win32/i_xinput.cpp b/src/win32/i_xinput.cpp
index 1180f9f32..22c2dd714 100644
--- a/src/win32/i_xinput.cpp
+++ b/src/win32/i_xinput.cpp
@@ -33,6 +33,17 @@
 #define XUSER_MAX_COUNT                 4
 #endif
 
+// MinGW
+#ifndef XINPUT_DLL
+#define XINPUT_DLL_A  "xinput1_3.dll"
+#define XINPUT_DLL_W L"xinput1_3.dll"
+#ifdef UNICODE
+    #define XINPUT_DLL XINPUT_DLL_W
+#else
+    #define XINPUT_DLL XINPUT_DLL_A
+#endif
+#endif
+
 // TYPES -------------------------------------------------------------------
 
 typedef DWORD (WINAPI *XInputGetStateType)(DWORD index, XINPUT_STATE *state);
diff --git a/tools/updaterevision/CMakeLists.txt b/tools/updaterevision/CMakeLists.txt
index 22890472a..db99ab812 100644
--- a/tools/updaterevision/CMakeLists.txt
+++ b/tools/updaterevision/CMakeLists.txt
@@ -1,19 +1,12 @@
 cmake_minimum_required( VERSION 2.8.7 )
 
 if( WIN32 )
-	if( ZD_CMAKE_COMPILER_IS_GNUC_COMPATIBLE OR ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
-		add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/trustinfo.o
-			COMMAND windres -o ${CMAKE_CURRENT_BINARY_DIR}/trustinfo.o -i ${CMAKE_CURRENT_SOURCE_DIR}/trustinfo.rc
-			DEPENDS trustinfo.rc )
-		set( TRUSTINFO trustinfo.o )
+	if( MSVC_VERSION GREATER 1399 )
+		# VC 8+ adds a manifest automatically to the executable. We need to
+		# merge ours with it.
+		set( MT_MERGE ON )
 	else()
-		if( MSVC_VERSION GREATER 1399 )
-			# VC 8+ adds a manifest automatically to the executable. We need to
-			# merge ours with it.
-			set( MT_MERGE ON )
-		else( MSVC_VERSION GREATER 1399 )
-			set( TRUSTINFO trustinfo.rc )
-		endif( MSVC_VERSION GREATER 1399 )
+		set( TRUSTINFO trustinfo.rc )
 	endif()
 else( WIN32 )
 	set( TRUSTINFO "" )