build shared libs with llvm

Author: isuruf

.travis.yml

@@ -53,7 +53,7 @@ matrix:
           packages:
           - binutils-dev
           - g++-4.8
-    - env: BUILD_TYPE="Debug" WITH_BFD="yes" PYTHON_VERSION="3.5" WITH_LLVM="3.8" WITH_SCIPY="yes"
+    - env: BUILD_TYPE="Debug" WITH_BFD="yes" PYTHON_VERSION="3.5" WITH_LLVM="3.8" WITH_SCIPY="yes" BUILD_SHARED_LIBS="yes"
       compiler: clang
       os: linux
       addons: