From ada9efd3afb710a982f28f46196d5ec53ade199b Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 19 Sep 2012 14:04:23 -0400
Subject: [PATCH] Clang: All versions know about -fPIE (#13550)

The GNU compiler information file tests for GNU >= 3.4 because earlier
versions do not have the flag.  The version number test is not valid for
Clang compiler versions, but we know Clang supports the flag.
---
 Modules/Compiler/Clang.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index f7be864f8..75a971dd7 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -22,4 +22,5 @@ include(Compiler/GNU)
 
 macro(__compiler_clang lang)
   __compiler_gnu(${lang})
+  set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
 endmacro()