Add aarch64 macos compilation

Signed-off-by: Tautvydas Žilys <[email protected]>

Author: GeoffroyAubey

configure.ac

@@ -355,6 +355,9 @@ case "$host" in
 				platform_ios=yes
 				has_dtrace=no
 				;;
+			aarch64*-darwinmacos*)
+				support_boehm=no
+				;;
 			aarch64*-darwin*)
 				platform_ios=yes
 				;;
@@ -3434,6 +3437,16 @@ case "$host" in
 		ACCESS_UNALIGNED="no"
 		CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
 		;;
+	aarch64-*-darwinmacos*)
+		TARGET_SYS=MACOS
+		TARGET=ARM64
+		arch_target=arm64
+		boehm_supported=false
+		AOT_SUPPORTED="yes"
+		BTLS_SUPPORTED=yes
+		BTLS_PLATFORM=aarch64
+		AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
+		;;
 	aarch64-*)
 		# https://lkml.org/lkml/2012/7/15/133
 		TARGET=ARM64
@@ -3727,8 +3740,8 @@ if test "x$target_mach" = "xyes"; then
 	  CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
 	  CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
 	  BTLS_SUPPORTED=no
-   elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
-   	  AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
+   elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64" -a "x$TARGET_SYS" != "xMACOS"; then
+	  AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
 	  CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
 	  CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
 	  BTLS_SUPPORTED=no