From 480e924daedee520d18c8a9c0b9823fef205b57a Mon Sep 17 00:00:00 2001
From: David Coppa <dcoppa@openbsd.org>
Date: Fri, 21 Jun 2013 11:13:35 +0200
Subject: OpenBSD: Enable ELF parsing and editing (#14241)

OpenBSD provides ELF ABI declarations in

 #include <stdint.h>
 #include <elf_abi.h>

Teach the platform check and cmELF implementation to use these.
---
 Source/CMakeLists.txt | 6 +++++-
 Source/cmELF.cxx      | 7 ++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 1893167..67a6333 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -11,7 +11,11 @@
 #=============================================================================
 include(CheckIncludeFile)
 # Check if we can build support for ELF parsing.
-CHECK_INCLUDE_FILE("elf.h" HAVE_ELF_H)
+if(CMAKE_CXX_PLATFORM_ID MATCHES "OpenBSD")
+  CHECK_INCLUDE_FILES("stdint.h;elf_abi.h" HAVE_ELF_H)
+else()
+  CHECK_INCLUDE_FILE("elf.h" HAVE_ELF_H)
+endif()
 if(HAVE_ELF_H)
   set(CMAKE_USE_ELF_PARSER 1)
 else()
diff --git a/Source/cmELF.cxx b/Source/cmELF.cxx
index 1158fc0..30de9a8 100644
--- a/Source/cmELF.cxx
+++ b/Source/cmELF.cxx
@@ -19,7 +19,12 @@
 #include <cmsys/CPU.h>
 
 // Include the ELF format information system header.
-#include <elf.h>
+#if defined(__OpenBSD__)
+# include <stdint.h>
+# include <elf_abi.h>
+#else
+# include <elf.h>
+#endif
 #if defined(__sun)
 # include <sys/link.h> // For dynamic section information
 #endif
-- 
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