g++-multilib-i686-linux-gnu

GNU C++ compiler for the i386 architecture

This is the GNU C++ compiler, a fairly portable optimizing compiler for C++.

gcc-for-build

GNU C compiler for the build architecture

This is the GNU C compiler, a fairly portable optimizing compiler for C.

gcc-hppa64-linux-gnu

GNU C compiler (cross compiler for hppa64-linux-gnu)

This is the GNU C compiler, a fairly portable optimizing compiler for C.

gcc-powerpc64le-linux-gnu

GNU C compiler for the ppc64el architecture

This is the GNU C compiler, a fairly portable optimizing compiler for C.

gcc-x86-64-linux-gnu

GNU C compiler for the amd64 architecture

This is the GNU C compiler, a fairly portable optimizing compiler for C.

gccgo

Go compiler, based on the GCC backend

This is the GNU Go compiler, which compiles Go on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.