diff --git a/Xcode/SDL/SDL.xcodeproj/project.pbxproj b/Xcode/SDL/SDL.xcodeproj/project.pbxproj
old mode 100755
new mode 100644
diff --git a/build-scripts/config.guess b/build-scripts/config.guess
index 0fd7aa8..35741eb 100755
--- a/build-scripts/config.guess
+++ b/build-scripts/config.guess
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2021-01-01'
+timestamp='2021-01-25'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -188,10 +188,9 @@
 	#
 	# Note: NetBSD doesn't particularly care about the vendor
 	# portion of the name.  We always set it to "unknown".
-	sysctl="sysctl -n hw.machine_arch"
 	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
-	    "/sbin/$sysctl" 2>/dev/null || \
-	    "/usr/sbin/$sysctl" 2>/dev/null || \
+	    /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+	    /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
 	    echo unknown)`
 	case "$UNAME_MACHINE_ARCH" in
 	    aarch64eb) machine=aarch64_be-unknown ;;
@@ -1483,8 +1482,8 @@
     i*86:rdos:*:*)
 	echo "$UNAME_MACHINE"-pc-rdos
 	exit ;;
-    i*86:AROS:*:*)
-	echo "$UNAME_MACHINE"-pc-aros
+    *:AROS:*:*)
+	echo "$UNAME_MACHINE"-unknown-aros
 	exit ;;
     x86_64:VMkernel:*:*)
 	echo "$UNAME_MACHINE"-unknown-esx
diff --git a/build-scripts/config.sub b/build-scripts/config.sub
index 8dfc0b9..1703a5f 100755
--- a/build-scripts/config.sub
+++ b/build-scripts/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2021-01-07'
+timestamp='2021-01-08'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -1683,12 +1683,15 @@
 
 # Now, validate our (potentially fixed-up) OS.
 case $os in
-	# Sometimes we do "kernel-abi", so those need to count as OSes.
+	# Sometimes we do "kernel-libc", so those need to count as OSes.
 	musl* | newlib* | uclibc*)
 		;;
-	# Likewise for "kernel-libc"
+	# Likewise for "kernel-abi"
 	eabi* | gnueabi*)
 		;;
+	# VxWorks passes extra cpu info in the 4th filed.
+	simlinux | simwindows | spe)
+		;;
 	# Now accept the basic system types.
 	# The portable systems comes first.
 	# Each alternative MUST end in a * to match a version number.
@@ -1751,6 +1754,8 @@
 		;;
 	kfreebsd*-gnu* | kopensolaris*-gnu*)
 		;;
+	vxworks-simlinux | vxworks-simwindows | vxworks-spe)
+		;;
 	nto-qnx*)
 		;;
 	os2-emx)