[PATCH] Add AArch64 to config.guess

[Renato Golin]

Hi t.p.northover,

CMake builds use config.guess to find out which arch triple we're targeting, and AArch64:Linux wasn't one of them.

I'm just copying the ARM behaviour, as even if not relevant right now, should be similar in the future?

http://llvm-reviews.chandlerc.com/D2825

Files:
  autoconf/config.guess

Index: autoconf/config.guess
===================================================================
--- autoconf/config.guess
+++ autoconf/config.guess
@@ -864,6 +864,22 @@
     i*86:Minix:*:*)
 	echo ${UNAME_MACHINE}-pc-minix
 	exit ;;
+    aarch64:Linux:*)
+	eval $set_cc_for_build
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    echo ${UNAME_MACHINE}-unknown-linux-gnu
+	else
+	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+		| grep -q __ARM_PCS_VFP
+	    then
+		echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+	    else
+		echo ${UNAME_MACHINE}-unknown-linux-gnueabihf
+	    fi
+	fi
+	exit ;;
     alpha:Linux:*:*)
 	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
 	  EV5)   UNAME_MACHINE=alphaev5 ;;
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D2825.1.patch
Type: text/x-patch
Size: 787 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140219/d90a8f9e/attachment.bin>