From 4bed085b83867f8e8b66371fc8061de43bad26b3 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Sat, 29 Aug 2015 22:34:34 +0000
Subject: [PATCH] Fix shared library build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246365 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/CodeGen/CMakeLists.txt b/lib/CodeGen/CMakeLists.txt
index f77141b3f30..b2a1efc9c25 100644
--- a/lib/CodeGen/CMakeLists.txt
+++ b/lib/CodeGen/CMakeLists.txt
@@ -1,3 +1,8 @@
+set(system_libs)
+if(CMAKE_HOST_UNIX AND LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD)
+  set(system_libs ${system_libs} pthread)
+endif()
+
 add_llvm_library(LLVMCodeGen
   AggressiveAntiDepBreaker.cpp
   AllocationOrder.cpp
@@ -129,6 +134,8 @@ add_llvm_library(LLVMCodeGen
   ADDITIONAL_HEADER_DIRS
   ${LLVM_MAIN_INCLUDE_DIR}/llvm/CodeGen
   ${LLVM_MAIN_INCLUDE_DIR}/llvm/CodeGen/PBQP
+
+  LINK_LIBS ${system_libs}
   )
 
 add_dependencies(LLVMCodeGen intrinsics_gen)
-- 
2.34.1