From 93a4722e17ab4c8d34d8f5f9be6633f77429f040 Mon Sep 17 00:00:00 2001
From: bitcoffee <854182924@qq.com>
Date: Thu, 24 Sep 2020 15:35:06 +0800
Subject: [PATCH] Bcc-static linked at compile time for Polycubed already
 includes the LLVM static library.At runtime polycubed links clang again,
 clang links the dynamic library of LLVM, causing LLVM to report error:
 "Option XXXXXX registered more than once"

---
 src/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d3b985e..4b71f68 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,6 +4,7 @@ include_directories(${CMAKE_SOURCE_DIR}/src/libs/bcc/src/cc/libbpf/include/uapi)
 
 option(INSTALL_CLI "installs the polycube CLI" ON)
 option(ENABLE_PCN_IPTABLES "enables the pcn-iptables" OFF)
+option(ENABLE_LLVM_SHARED "Enable linking LLVM as a shared library" ON)
 
 add_subdirectory(components)
 add_subdirectory(libs)
-- 
2.20.1.windows.1