From 55d8c5d4673f74a3ec2865593524d5f40dfcac0c Mon Sep 17 00:00:00 2001
From: "Frank Ch. Eigler" <fche@elastic.org>
Date: Sun, 23 Aug 2009 18:15:01 -0400
Subject: build fix: make buildable with elfutils < 0.142

* dwarf_wrappers.h, loc2c.c: Define DW_TAG_rvalue_reference_type=0x42
  for older elfutils.
---
 dwarf_wrappers.h |  5 +++++
 loc2c.c          | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/dwarf_wrappers.h b/dwarf_wrappers.h
index 766abb6d..942e695a 100644
--- a/dwarf_wrappers.h
+++ b/dwarf_wrappers.h
@@ -25,6 +25,11 @@ extern "C" {
 #define _ELFUTILS_PREREQ(major, minor) (0 >= 1)
 #endif
 
+#if ! _ELFUTILS_PREREQ(0,142)
+#define DW_TAG_rvalue_reference_type 0x42
+#endif
+
+
 // NB: "rc == 0" means OK in this case
 void dwfl_assert(const std::string& desc, int rc);
 
diff --git a/loc2c.c b/loc2c.c
index 9d58269c..d4cb4666 100644
--- a/loc2c.c
+++ b/loc2c.c
@@ -10,6 +10,22 @@
 #include <assert.h>
 #include "loc2c.h"
 
+#include "config.h"
+
+#include <elfutils/libdw.h>
+#ifdef HAVE_ELFUTILS_VERSION_H
+#include <elfutils/version.h>
+#endif
+
+#if !defined(_ELFUTILS_PREREQ)
+// make a dummy PREREQ check for elfutils < 0.138
+#define _ELFUTILS_PREREQ(major, minor) (0 >= 1)
+#endif
+
+#if ! _ELFUTILS_PREREQ(0,142)
+#define DW_TAG_rvalue_reference_type 0x42
+#endif
+
 #define N_(x) x
 
 #define STACK_TYPE	"intptr_t"  /* Must be the signed type.  */
-- 
cgit