--- dyld/dyld-210.2.3/src/dyldAPIsInLibSystem.cpp
+++ dyld/dyld-195.6/src/dyldAPIsInLibSystem.cpp
@@ -37,28 +37,11 @@
 extern "C" int  __cxa_atexit(void (*func)(void *), void *arg, void *dso);
 extern "C" void __cxa_finalize(const void *dso);
 
-
-#ifndef LC_VERSION_MIN_MACOSX
-	#define LC_VERSION_MIN_MACOSX 0x24
-	struct version_min_command {
-		uint32_t	cmd;		/* LC_VERSION_MIN_MACOSX or
-					   LC_VERSION_MIN_IPHONEOS  */
-		uint32_t	cmdsize;	/* sizeof(struct min_version_command) */
-		uint32_t	version;	/* X.Y.Z is encoded in nibbles xxxx.yy.zz */
-		uint32_t	sdk;		/* X.Y.Z is encoded in nibbles xxxx.yy.zz */
-	};
-#endif
-
-#ifndef LC_VERSION_MIN_IPHONEOS
-	#define LC_VERSION_MIN_IPHONEOS 0x25
-#endif
-
-
 #ifndef LC_LOAD_UPWARD_DYLIB
 	#define	LC_LOAD_UPWARD_DYLIB (0x23|LC_REQ_DYLD)	/* load of dylib whose initializers run later */
 #endif
 
-#define DYLD_SHARED_CACHE_SUPPORT (__i386__ || __x86_64__ || __arm__)
+#define DYLD_SHARED_CACHE_SUPPORT (__ppc__ || __i386__ || __ppc64__ || __x86_64__ || __arm__)
 
 // deprecated APIs are still availble on Mac OS X, but not on iPhone OS
 #if __IPHONE_OS_VERSION_MIN_REQUIRED	
@@ -423,119 +406,6 @@
 	return(-1);
 }
 
-
-/*
- * Returns the sdk version (encode as nibble XXXX.YY.ZZ) the
- * specified binary was built against.
- *
- * First looks for LC_VERSION_MIN_MACOSX/LC_VERSION_MIN_IPHONEOS
- * in binary and if sdk field is not zero, return that value.
- * Otherwise, looks for the libSystem.B.dylib the binary linked
- * against and uses a table to convert that to an sdk version.
- */
-uint32_t dyld_get_sdk_version(const mach_header* mh)
-{
-#if __LP64__
-	const load_command* cmds = (load_command*)((char *)mh + sizeof(mach_header_64));
-#else
-	const load_command* cmds = (load_command*)((char *)mh + sizeof(mach_header));
-#endif
-	const version_min_command* versCmd;
-	const dylib_command* dylibCmd;
-	const load_command* cmd = cmds;
-	uint32_t libSystemVers = 0;
-	for(uint32_t i = 0; i < mh->ncmds; ++i) {
-		switch ( cmd->cmd ) { 
-			case LC_VERSION_MIN_MACOSX:
-			case LC_VERSION_MIN_IPHONEOS:
-				versCmd = (version_min_command*)cmd;
-				if ( versCmd->sdk != 0 )
-					return versCmd->sdk;	// found explicit SDK version
-				break;
-			case LC_LOAD_DYLIB:
-			case LC_LOAD_WEAK_DYLIB:
-			case LC_LOAD_UPWARD_DYLIB:
-				dylibCmd = (dylib_command*)cmd;
-				if ( strcmp((char*)dylibCmd + dylibCmd->dylib.name.offset, "/usr/lib/libSystem.B.dylib") == 0 )
-					libSystemVers = dylibCmd->dylib.current_version;
-				else if ( strcmp((char*)dylibCmd + dylibCmd->dylib.name.offset, "/usr/lib/libSystem.dylib") == 0 )
-					return 0x00040000; // all iOS simulator have same libSystem.dylib version
-				break;
-		}
-	    cmd = (load_command*)((char *)cmd + cmd->cmdsize);
-	}
-	
-	if ( libSystemVers != 0 ) {
-		// found linked libSystem.B.dylib version linked against
-#if __IPHONE_OS_VERSION_MIN_REQUIRED
-		// convert libSystem.B.dylib version to iOS sdk version
-		if ( libSystemVers < 0x006F0010 )       // libSystem 111.0.16 in 3.0
-			return 0x00020000;		// 2.0  
-		else if ( libSystemVers < 0x006F0201 )	// libSystem 111.2.1 in 3.1
-			return 0x00030000;		// 3.0  
-		else if ( libSystemVers < 0x007D020B )	// libSystem 125.2.11 in 4.0
-			return 0x00030100;		// 3.1  
-		else if ( libSystemVers < 0x007D0400 )	// libSystem 125.4 in 4.1 and in 4.2
-			return 0x00040000;		// 4.0  
-		else if ( libSystemVers < 0x009F0000 )	// libSystem 159 in 4.3
-			return 0x00040100;		// 4.1  
-		else if ( libSystemVers < 0x00A10000 )	// libSystem 161 in 5.0
-			return 0x00040300;		// 4.3  
-		else
-			return 0x00050000;
-#else
-		// convert libSystem.B.dylib version to MacOSX sdk version
-		if ( libSystemVers < 0x006F0000 )       // libSystem 111 in 10.5
-			return 0x000A0400;		// 10.4  
-		else if ( libSystemVers < 0x007B0000 )	// libSystem 123 in 10.6
-			return 0x000A0500;		// 10.5  
-		else if ( libSystemVers < 0x009F0000 )	// libSystem 159 in 10.7
-			return 0x000A0600;		// 10.6  
-		else if ( libSystemVers < 0x00A10000 )  // libSystem 161 in 10.8
-			return 0x000A0700;		// 10.7  
-		else 
-			return 0x000A0800;		// 10.8  
-#endif
-	}
-	
-	return 0;
-}
-
-uint32_t dyld_get_program_sdk_version()
-{
-	return dyld_get_sdk_version((mach_header*)_NSGetMachExecuteHeader());
-}
-
-
-uint32_t dyld_get_min_os_version(const struct mach_header* mh)
-{
-#if __LP64__
-	const load_command* cmds = (load_command*)((char *)mh + sizeof(mach_header_64));
-#else
-	const load_command* cmds = (load_command*)((char *)mh + sizeof(mach_header));
-#endif
-	const version_min_command* versCmd;
-	const load_command* cmd = cmds;
-	for(uint32_t i = 0; i < mh->ncmds; ++i) {
-		switch ( cmd->cmd ) { 
-			case LC_VERSION_MIN_MACOSX:
-			case LC_VERSION_MIN_IPHONEOS:
-				versCmd = (version_min_command*)cmd;
-				return versCmd->version;	// found explicit min OS version
-				break;
-		}
-	    cmd = (load_command*)((char *)cmd + cmd->cmdsize);
-	}
-	return 0;
-}
-
-
-uint32_t dyld_get_program_min_os_version()
-{
-	return dyld_get_min_os_version((mach_header*)_NSGetMachExecuteHeader());
-}
-
-
 #if DEPRECATED_APIS_SUPPORTED
 /*
  * NSCreateObjectFileImageFromFile() creates an NSObjectFileImage for the
@@ -1205,10 +1075,9 @@
 }
 #endif // DYLD_SHARED_CACHE_SUPPORT
 
-extern void* start;
 
 // the table passed to dyld containing thread helpers
-static dyld::LibSystemHelpers sHelpers = { 9, &dyldGlobalLockAcquire, &dyldGlobalLockRelease,  
+static dyld::LibSystemHelpers sHelpers = { 8, &dyldGlobalLockAcquire, &dyldGlobalLockRelease,  
 									&getPerThreadBufferFor_dlerror, &malloc, &free, &__cxa_atexit,
 						#if DYLD_SHARED_CACHE_SUPPORT
 									&shared_cache_missing, &shared_cache_out_of_date,
@@ -1219,8 +1088,7 @@
 									&pthread_key_create, &pthread_setspecific,
 									&malloc_size,
 									&pthread_getspecific,
-									&__cxa_finalize,
-									&start};
+									&__cxa_finalize};
 
 
 //