uherczeg@uh-sid:~$ dpkg -l | grep gcc
ii gcc 4:6.1.1-1 amd64 GNU C compiler
ii gcc-4.8-base:amd64 4.8.5-3 amd64 GCC, the GNU Compiler Collection (base package)
ii gcc-4.9-base:amd64 4.9.3-10 amd64 GCC, the GNU Compiler Collection (base package)
ii gcc-5 5.4.1-3 amd64 GNU C compiler
ii gcc-5-base:amd64 5.4.1-3 amd64 GCC, the GNU Compiler Collection (base package)
ii gcc-6 6.2.0-9 amd64 GNU C compiler
ii gcc-6-base:amd64 6.2.0-9 amd64 GCC, the GNU Compiler Collection (base package)
ii gcc-6-base:i386 6.2.0-9 i386 GCC, the GNU Compiler Collection (base package)
ii libgcc-5-dev:amd64 5.4.1-3 amd64 GCC support library (development files)
ii libgcc-6-dev:amd64 6.2.0-9 amd64 GCC support library (development files)
ii libgcc1:amd64 1:6.2.0-9 amd64 GCC support library
ii libgcc1:i386