From f868d0416773aa381d2aec22a2446dbcb639a86e Mon Sep 17 00:00:00 2001
From: barracuda156 <vital.had@gmail.com>
Date: Fri, 21 Jul 2023 09:10:18 +0800
Subject: [PATCH] Fixes for PowerPC

diff --git include/SDL_config_macosx.h include/SDL_config_macosx.h
index d7ad6cc71..736c1043d 100644
--- include/SDL_config_macosx.h
+++ include/SDL_config_macosx.h
@@ -49,7 +49,12 @@
 #define HAVE_STDIO_H    1
 #define HAVE_STRING_H   1
 #define HAVE_SYS_TYPES_H    1
-#define HAVE_LIBUNWIND_H    1
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
+#define HAVE_LIBUNWIND_H  1
+#else
+#define HAVE_LIBUNWIND_H  0
+#endif
 
 /* C library functions */
 #define HAVE_DLOPEN 1
@@ -270,7 +275,7 @@
 #define SDL_FILESYSTEM_COCOA   1
 
 /* Enable assembly routines */
-#ifdef __ppc__
+#ifdef __POWERPC__
 #define SDL_ALTIVEC_BLITTERS    1
 #endif
 
diff --git include/SDL_platform.h include/SDL_platform.h
index d2a7e052d..3127d8cf0 100644
--- include/SDL_platform.h
+++ include/SDL_platform.h
@@ -108,9 +108,9 @@
 /* if not compiling for iOS */
 #undef __MACOSX__
 #define __MACOSX__  1
-#if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
-# error SDL for Mac OS X only supports deploying on 10.7 and above.
-#endif /* MAC_OS_X_VERSION_MIN_REQUIRED < 1070 */
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1040
+# error SDL for Mac OS X only supports deploying on 10.4 and above.
+#endif /* MAC_OS_X_VERSION_MIN_REQUIRED < 1040 */
 #endif /* TARGET_OS_IPHONE */
 #endif /* defined(__APPLE__) */
 
--- include/SDL_atomic.h
+++ include/SDL_atomic.h
@@ -174,7 +174,7 @@
 extern DECLSPEC void SDLCALL SDL_MemoryBarrierReleaseFunction(void);
 extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
 
-#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
+#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__))
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("lwsync" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("lwsync" : : : "memory")
 #elif defined(__GNUC__) && defined(__aarch64__)