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[AArch64] Binutils/gas/ld port for ARM's new 64-bit architecture, AArch64 [1/6] Toplevel configury changes


This patch adds the top level configury changes for the AArch64 target support.


Yufeng



ChangeLog 2012-07-30 Ian Bolton <ian.bolton@arm.com> Jim MacArthur <jim.macarthur@arm.com> Marcus Shawcroft <marcus.shawcroft@arm.com> Nigel Stephens <nigel.stephens@arm.com> Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> Richard Earnshaw <rearnsha@arm.com> Sofiane Naci <sofiane.naci@arm.com> Tejas Belagod <tejas.belagod@arm.com> Yufeng Zhang <yufeng.zhang@arm.com>

        * configure.ac: Add AArch64.
        * configure: Regenerate.
diff --git a/configure.ac b/configure.ac
index 5efb4a3..83ea5bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -842,6 +842,17 @@ case "${target}" in
     ;;
   *-*-vxworks*)
     ;;
+  aarch64*-*-elf* )
+    noconfigdirs="$noconfigdirs target-libffi target-qthreads"
+    libgloss_dir=aarch64
+    ;;
+  aarch64*-*-linux* )
+    noconfigdirs="$noconfigdirs target-libffi target-qthreads"
+    case ${with_newlib} in
+      no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    esac
+    libgloss_dir=aarch64
+    ;;
   alpha*-dec-osf*)
     # ld works, but does not support shared libraries.
     # gas doesn't generate exception information.

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