--disable-multilib
cd riscv-gcc-riscv-gcc-$(GCC_X_VERSION)/build && PATH=$(ROOT)/fixed-gcc:$$PATH make
cd riscv-gcc-riscv-gcc-$(GCC_X_VERSION)/build && make install DESTDIR=$(ROOT)/stage3-chroot
--disable-multilib
cd riscv-gcc-riscv-gcc-$(GCC_X_VERSION)/build && PATH=$(ROOT)/fixed-gcc:$$PATH make
cd riscv-gcc-riscv-gcc-$(GCC_X_VERSION)/build && make install DESTDIR=$(ROOT)/stage3-chroot