Isolate machine-dependent use of <alloca.h> in "Support/Alloca.h",
so that we can easily change its use to be conditional on the result of
an autoconf test later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index 034c141f..c88a516 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -10,7 +10,7 @@
 #include <fstream>
 #include <iostream>
 #include <cstdlib>
-#include <alloca.h>
+#include "Support/Alloca.h"
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>