История изменений
Исправление Gvidon, (текущая версия) :
https://gcc.gnu.org/install/prerequisites.html
If a GMP source distribution is found in a subdirectory of your GCC sources named gmp, it will be built together with GCC
If an MPFR source distribution is found in a subdirectory of your GCC sources named mpfr, it will be built together with GCC
И так далее
А ещё вместе с gcc идёт скриптик contrib/download_prerequisites, который их ещё и скачает сам автоматически.
Исходная версия Gvidon, :
https://gcc.gnu.org/install/prerequisites.html
If a GMP source distribution is found in a subdirectory of your GCC sources named gmp, it will be built together with GCC
If an MPFR source distribution is found in a subdirectory of your GCC sources named mpfr, it will be built together with GCC
И так далее