Added the ARCH variable so that some of the Makefiles can perform actions based
upon the target hardware architecture (as opposed to always checking the OS).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7050 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.config.in b/Makefile.config.in
index 9480219..e3fe521 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -9,6 +9,11 @@
 #
 OS=@OS@
 
+#
+# Target hardware architecture
+#
+ARCH=@ARCH@
+
 # Path to the C++ compiler to use.  This is an optional setting, which defaults
 # to whatever your gmake defaults to.
 #