Remove support for mingw

MSVC works fine and the bundled mingw libraries are outdated.

src/RageSurface_Load_JPEG.cpp

@@ -12,7 +12,7 @@ extern "C" {
 #include "jerror.h"
 }
 
-#if defined(WIN32) && !defined(__MINGW32__)
+#if defined(WIN32)
 // work around namespace bugs in win32/libjpeg:
 #define XMD_H
 #undef FAR

src/RageSurface_Load_PNG.cpp

@@ -55,7 +55,6 @@ void PNG_Error( png_struct *png, const char *error )
 
 void PNG_Warning( png_struct *png, const char *warning )
 {
-	// FIXME: Mismatched libpng headers vs. library causes a segfault here on MinGW
 	CHECKPOINT_M(ssprintf("PNG warning during processing: %s", warning));
 	error_info *info = (error_info *) png_get_io_ptr(png);
 	LOG->Trace( "loading \"%s\": warning: %s", info->fn, warning );

src/arch/Threads/Threads_Pthreads.cpp

@@ -244,7 +244,7 @@ MutexImpl *MakeMutex( RageMutex *pParent )
 #if defined(UNIX)
 #include <dlfcn.h>
 #include "arch/ArchHooks/ArchHooks_Unix.h"
-#endif // On MinGW clockid_t is defined in pthread.h
+#endif
 namespace
 {
 	typedef int (* CONDATTR_SET_CLOCK)( pthread_condattr_t *attr, clockid_t clock_id );

src/archutils/Win32/Crash.cpp

@@ -571,15 +571,6 @@ static void NORETURN debug_crash()
 		__asm mov eax,dword ptr [ebx]
 //		__asm mov dword ptr [ebx],eax
 //		__asm lock add dword ptr cs:[00000000h], 12345678h
-#elif defined(__GNUC__)
-		// HACK: I don't know a lick of ASM and don't know how to port this to
-		// the AT&T syntax gas uses. So we temporarily change it.
-		asm(".intel_syntax noprefix\n\t"
-			"xor ebx,ebx\n\t"
-			"mov eax,dword ptr [ebx]\n\t"
-//			"mov dword ptr [ebx],eax"
-//			"lock add dword ptr cs:[00000000h], 12345678h"
-			".att_syntax noprefix\n\t");
 #endif
 //	} __except( CrashHandler::ExceptionHandler((EXCEPTION_POINTERS*)_exception_info()) ) {
 //	}

src/archutils/Win32/arch_setup.h

@@ -6,13 +6,6 @@
 #define SUPPORT_D3D
 #endif
 
-#if defined(__MINGW32__)
-#if !defined(_WINDOWS)
-#define _WINDOWS // This isn't defined under all versions of MinGW
-#endif
-#define NEED_CSTDLIB_WORKAROUND // Needed for llabs() in MinGW
-#endif
-
 #if defined(_MSC_VER)
 
 #if _MSC_VER == 1400 // VC8 specific warnings
@@ -90,7 +83,6 @@ void my_usleep( unsigned long usec );
 #endif
 
 // Missing stdint types:
-#if !defined(__MINGW32__) // MinGW headers define these for us
 typedef signed char int8_t;
 typedef signed short int16_t;
 typedef int int32_t;
@@ -116,7 +108,6 @@ typedef unsigned __int64 uint64_t;
 int64_t llabs( int64_t i ) { return i >= 0 ? i : -i; }
 #endif // #if _MSC_VER < 1400
 #endif // #if defined(_MSC_VER)
-#endif // #if !defined(__MINGW32__)
 
 #undef min
 #undef max
@@ -128,53 +119,10 @@ int64_t llabs( int64_t i ) { return i >= 0 ? i : -i; }
 #define CRASH_HANDLER
 #endif
 
-#if defined(__GNUC__) // It might be MinGW or Cygwin(?)
-#include "archutils/Common/gcc_byte_swaps.h"
-#elif defined(_MSC_VER) && (_MSC_VER >= 1310) // Byte swap functions were first implemented in Visual Studio .NET 2003
+#if defined(_MSC_VER) && (_MSC_VER >= 1310) // Byte swap functions were first implemented in Visual Studio .NET 2003
 #define ArchSwap32(n) _byteswap_ulong(n)
 #define ArchSwap24(n) _byteswap_ulong(n) >> 8
 #define ArchSwap16(n) _byteswap_ushort(n)
-#else
-#define HAVE_BYTE_SWAPS
-
-inline uint32_t ArchSwap32( uint32_t n )
-{
-	__asm
-	{
-		mov eax, n
-		xchg al, ah
-		ror eax, 16
-		xchg al, ah
-		mov n, eax
-	};
-	return n;
-}
-
-inline uint32_t ArchSwap24( uint32_t n )
-{
-	__asm
-	{
-		mov eax, n
-		xchg al, ah
-		ror eax, 16
-		xchg al, ah
-		ror eax, 8
-		mov n, eax
-	};
-	return n;
-}
-
-inline uint16_t ArchSwap16( uint16_t n )
-{
-	__asm
-	{
-		mov ax, n
-		xchg al, ah
-		mov n, ax
-	};
-	return n;
-}
-#endif
 
 #endif
 

src/config.in.hpp

@@ -130,27 +130,9 @@ typedef std::make_signed<size_t>::type ssize_t;
 /* Defined to 1 if the underlying system uses big endian. */
 #cmakedefine ENDIAN_BIG 1
 
-/* Defined to 1 if building on a windows system, and thus uses the windows loading window. */
-#cmakedefine NEED_WINDOWS_LOADING_WINDOW 1
-
 /* Defined to 1 if logging timing segment additions and removals. */
 #cmakedefine WITH_LOGGING_TIMING_DATA 1
 
-/* Defined to 1 if the PBS_MARQUEE symbol was found. */
-#cmakedefine HAVE_PBS_MARQUEE 1
-
-/* Defined to 1 if the PBM_SETMARQUEE symbol was found. */
-#cmakedefine HAVE_PBM_SETMARQUEE 1
-
-#if defined(NEED_WINDOWS_LOADING_WINDOW)
-#if !defined(HAVE_PBS_MARQUEE)
-#define PBS_MARQUEE 0x08
-#endif
-#if !defined(HAVE_PBM_SETMARQUEE)
-#define PBM_SETMARQUEE (WM_USER+10)
-#endif
-#endif
-
 #if defined(__GNUC__)
 /** @brief Define a macro to tell the compiler that a function has printf()
  * semantics, to aid warning output. */
@@ -191,9 +173,6 @@ typedef std::make_signed<size_t>::type ssize_t;
 #else
 #include <sys/types.h>
 #include <sys/stat.h>
-#if defined(__MINGW32__) || defined(__MINGW64__)
-#define mkdir(path, mode) mkdir(path)
-#endif
 #endif
 #endif
 

src/global.cpp

@@ -51,8 +51,6 @@ void NORETURN sm_crash( const char *reason )
 	 * way, this function will appear in backtrace stack traces. */
 #if defined(_MSC_VER)
 	__nop();
-#elif defined(__GNUC__) // MinGW or similar
-	asm("nop");
 #endif
 #else
 	_exit( 1 );

src/global.h

@@ -46,10 +46,6 @@
 #define unlikely(x) (x)
 #endif
 
-#if defined(NEED_CSTDLIB_WORKAROUND)
-#define llabs ::llabs
-#endif
-
 using namespace std;
 
 #ifdef ASSERT