arch: add arch definition for ia64

Author: Cyanoxygen

arch/ia64.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# arch/ia64.sh: Arch definition for IA-64
+
+# NOTE: -O3 causes ICEs.
+CFLAGS_COMMON_ARCH=('-O2' '-mtune=itanium2')
+
+AB_FLAGS_O3=0
+# NOTE: libssp is not available for ia64.
+AB_FLAGS_SSP=0