I downloaded these files and renamed them, but now another error occurred.
I did exactly as described in the article in the wiki.
/bin/sh: line 1: /homes/sfrey/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc: No such file or directory
make: /homes/sfrey/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc: Command not found
make: Entering directory `/homes/sfrey/buildroot/toolchain_build_nios2/uClibc'
libc-make: /homes/sfrey/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc: Command not found
d@d@make -C extra/config conf
/bin/sh: line 1: /homes/sfrey/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc: No such file or directory
make: /homes/sfrey/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc: Command not found
�@�make: /homes/sfrey/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc: Command not found
�@�@make: *** No rule to make target `|', needed by `../../extra/config/conf.o'. Stop.
make: *** Error 2
make: Leaving directory `/homes/sfrey/buildroot/toolchain_build_nios2/uClibc'
make: *** Error 2
mkdir: cannot create directory `/homes/sfrey/rootfs': File exists
./build: line 55: cd: /homes/sfrey/buildroot/build_nios2/staging_dir/include/linux: No such file or directory