checking how to hardcode library paths into programs... immediate checking for dlopen in -ldl... no checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no checking how to run the C++ preprocessor... /lib/cpp configure: error: in `/private/tmp/homebrew-libvlc-1.1.7-ZxWb/vlc-1.1.7': configure: error: C++ preprocessor "/lib/cpp" fails sanity check