Work around build problem with OpenJDK, which defines X86 as a
macro. Fixes PR 4427. Patch by Xerxes RÄnby!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73961 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index bd05891..0abe234 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -447,7 +447,8 @@
 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
 for a_target in $TARGETS_TO_BUILD; do
   if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
-    AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH,
+    LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
+    AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
       [LLVM architecture name for the native architecture, if available])
   fi
 done