libclang1-3.4 software package provides C interface to the clang library, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libclang1-3.4
libclang1-3.4 is installed in your system.
Make ensure the libclang1-3.4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libclang1-3.4 *
You will get with libclang1-3.4 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Development |
| Package | libclang1-3.4 |
| Version | 1:3.4.2-13 |
| Description | C interface to the clang library |
| Sub Section | Devel |