From 01bbf650f88582befd4aef7908fb7624516be101 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 7 May 2018 11:59:24 +0300
Subject: [PATCH] Build fixes #2277

---
 cmake/find_llvm.cmake                   | 9 +++++++--
 dbms/src/Common/config.h.in             | 1 +
 dbms/src/Interpreters/ExpressionJIT.cpp | 4 ++++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/cmake/find_llvm.cmake b/cmake/find_llvm.cmake
index 21ee7f28e4a..b4d64ce5aab 100644
--- a/cmake/find_llvm.cmake
+++ b/cmake/find_llvm.cmake
@@ -1,10 +1,12 @@
 option (ENABLE_EMBEDDED_COMPILER "Set to TRUE to enable support for 'compile' option for query execution" 1)
 
 if (ENABLE_EMBEDDED_COMPILER)
+    set (LLVM_PATHS "/usr/local/lib/llvm")
+
     if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-        find_package(LLVM CONFIG)
+        find_package(LLVM CONFIG PATHS ${LLVM_PATHS})
     else ()
-        find_package(LLVM 5 CONFIG)
+        find_package(LLVM 5 CONFIG PATHS ${LLVM_PATHS})
     endif ()
 
     if (LLVM_FOUND)
@@ -16,6 +18,9 @@ if (ENABLE_EMBEDDED_COMPILER)
         message(STATUS "LLVM Include Directory: ${LLVM_INCLUDE_DIRS}")
         message(STATUS "LLVM Library Directory: ${LLVM_LIBRARY_DIRS}")
         message(STATUS "LLVM C++ Compiler: ${LLVM_CXXFLAGS}")
+
+        option(LLVM_HAS_RTTI "Enable if LLVM was build with RTTI enabled" ON)
+
         set (USE_EMBEDDED_COMPILER 1)
     endif()
 endif()
diff --git a/dbms/src/Common/config.h.in b/dbms/src/Common/config.h.in
index 2531d9ced70..f4d155de2c8 100644
--- a/dbms/src/Common/config.h.in
+++ b/dbms/src/Common/config.h.in
@@ -9,6 +9,7 @@
 #cmakedefine01 USE_RDKAFKA
 #cmakedefine01 USE_CAPNP
 #cmakedefine01 USE_EMBEDDED_COMPILER
+#cmakedefine01 LLVM_HAS_RTTI
 #cmakedefine01 Poco_SQLODBC_FOUND
 #cmakedefine01 Poco_DataODBC_FOUND
 #cmakedefine01 Poco_MongoDB_FOUND
diff --git a/dbms/src/Interpreters/ExpressionJIT.cpp b/dbms/src/Interpreters/ExpressionJIT.cpp
index 86b1d16d4c8..3abc9b34167 100644
--- a/dbms/src/Interpreters/ExpressionJIT.cpp
+++ b/dbms/src/Interpreters/ExpressionJIT.cpp
@@ -42,6 +42,8 @@
 #pragma GCC diagnostic pop
 
 
+#if !LLVM_HAS_RTTI
+
 /** HACK
   * Allow to link with LLVM that was compiled without RTTI.
   * This is the default option when you build LLVM from sources.
@@ -58,6 +60,8 @@ __attribute__((__weak__)) int _ZTIN4llvm12MemoryBufferE = 0;
 
 }
 
+#endif
+
 
 namespace ProfileEvents
 {