vendor/llvm/llvm-r72732

1 files changed, 49 insertions, 0 deletions

diff --git a/include/llvm/Config/alloca.h b/include/llvm/Config/alloca.h
new file mode 100644
index 0000000000000..9990507ef0780
--- /dev/null
+++ b/include/llvm/Config/alloca.h
@@ -0,0 +1,49 @@
+/*
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ ******************************************************************************
+ *
+ * Description:
+ *  This header file includes the infamous alloc.h header file if the
+ *  autoconf system has found it.  It hides all of the autoconf details
+ *  from the rest of the application source code.
+ */
+
+#ifndef _CONFIG_ALLOC_H
+#define _CONFIG_ALLOC_H
+
+#include "llvm/Config/config.h"
+
+/*
+ * This is a modified version of that suggested by the Autoconf manual.
+ *  1) The #pragma is indented so that pre-ANSI C compilers ignore it.
+ *  2) If alloca.h cannot be found, then try stdlib.h.  Some platforms
+ *     (notably FreeBSD) defined alloca() there.
+ */
+#ifdef _MSC_VER
+#include <malloc.h>
+#define alloca _alloca
+#elif defined(HAVE_ALLOCA_H)
+#include <alloca.h>
+#elif defined(__MINGW32__) && defined(HAVE_MALLOC_H)
+#include <malloc.h>
+#elif !defined(__GNUC__)
+# ifdef _AIX
+#   pragma alloca
+# else
+#   ifndef alloca
+      char * alloca ();
+#   endif
+# endif
+#else
+# ifdef HAVE_STDLIB_H
+#   include <stdlib.h>
+# else
+#   error "The function alloca() is required but not found!"
+# endif
+#endif
+
+#endif