I haven't actually built rustc yet, because I know how long it takes... > + (ld-so (string-append > + (assoc-ref inputs "libc") > + ,(glibc-dynamic-linker)))
> + ;; Remove reference to "/lib64/ld-linux-x86-64.so.2" > from binary > + (zero? (system* > + "patchelf" > + "--set-interpreter" ld-so I think that this should be part of the a rustc-bootstrap package. We shouldn't export binaries to the user, but I think we need a fully functional bootstrap compiler. > + (setenv "SHELL" (which "sh")) > + (setenv "CONFIG_SHELL" (which "sh")) > + ;; Tell where to find libgcc_s.so > + (setenv "LD_LIBRARY_PATH" (string-append gcc-lib > "/lib")) I think this should be a separate phase. We can then use #:configure-flags to pass --default-linker etc. > + #:tests? #f)) To get tests enabled you can apply this patch [0]. [0] https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/compilers/rust/patches/disable-lockfile-check.patch