gcc -v

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-solus-linux/6.4.0/lto-wrapper
Target: x86_64-solus-linux
Configured with: ../gcc-6.4.0/configure --prefix=/usr --with-pkgversion=Solus --libdir=/usr/lib64 --libexecdir=/usr/lib64 --with-system-zlib --enable-shared --enable-threads=posix --enable-gnu-indirect-function --enable-__cxa_atexit --enable-plugin --enable-gold --enable-ld=default --enable-clocale=gnu --enable-multilib --with-multilib-list=m32,m64 --enable-lto --with-bugurl=https://dev.solus-project.com/ --with-arch_32=i686 --enable-linker-build-id --build=x86_64-solus-linux --target=x86_64-solus-linux --enable-languages=c,c++,fortran
Thread model: posix
gcc version 6.4.0 (Solus)