diff --git a/gnu/packages/bootstrap.scm b/gnu/packages/bootstrap.scm
index a1d4c7f..9151e01 100644
--- a/gnu/packages/bootstrap.scm
+++ b/gnu/packages/bootstrap.scm
@@ -63,12 +63,13 @@
       (fetch store url hash-algo hash
              #:guile %bootstrap-guile
              #:system system)))
-
+  (if (string? source)
+      source
   (let ((orig-method (origin-method source)))
     (origin (inherit source)
       (method (cond ((eq? orig-method url-fetch)
                      (boot url-fetch))
-                    (else orig-method))))))
+                    (else orig-method)))))))
 
 (define (package-from-tarball name* source* program-to-test description*)
   "Return a package that correspond to the extraction of SOURCE*.
@@ -170,7 +171,10 @@ check whether everything is alright."
                               (xz    (->store "xz"))
                               (mkdir (->store "mkdir"))
                               (bash  (->store "bash"))
-                              (guile (->store "guile-2.0.7.tar.xz"))
+                              (guile (->store
+                                      (if (string=? (%current-system) "mips64el-linux")
+                                          "guile-2.0.9.tar.xz"
+                                          "guile-2.0.7.tar.xz")))
                               (builder
                                (add-text-to-store store
                                                   "build-bootstrap-guile.sh"
@@ -206,38 +210,18 @@ $out/bin/guile --version~%"
 (define %bootstrap-coreutils&co
   (package-from-tarball "bootstrap-binaries"
                         (lambda (system)
-                          (origin
-                           (method url-fetch)
-                           (uri (map (cut string-append <> "/" system
-                                          "/20130105/static-binaries.tar.xz")
-                                     %bootstrap-base-urls))
-                           (sha256
-                            (match system
-                              ("x86_64-linux"
-                               (base32
-                                "0md23alzy6nc5f16pric7mkagczdzr8xbh074sb3rjzrls06j1ls"))
-                              ("i686-linux"
-                               (base32
-                                "0nzj1lmm9b94g7k737cr4w1dv282w5nmhb53238ikax9r6pkc0yb"))))))
+                          (string-append "/home/nikita/gnuabi64-tarballs/"
+                                         "m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/"
+                                         "static-binaries-0-mips64el-linux-gnuabi64.tar.xz"))
                         "true"                    ; the program to test
                         "Bootstrap binaries of Coreutils, Awk, etc."))
 
 (define %bootstrap-binutils
   (package-from-tarball "binutils-bootstrap"
                         (lambda (system)
-                          (origin
-                           (method url-fetch)
-                           (uri (map (cut string-append <> "/" system
-                                          "/20130105/binutils-2.22.tar.xz")
-                                     %bootstrap-base-urls))
-                           (sha256
-                            (match system
-                              ("x86_64-linux"
-                               (base32
-                                "1ffmk2yy2pxvkqgzrkzp3s4jpn4qaaksyk3b5nsc5cjwfm7qkgzh"))
-                              ("i686-linux"
-                               (base32
-                                "1rafk6aq4sayvv3r3d2khn93nkyzf002xzh0xadlyci4mznr6b0a"))))))
+                          (string-append "/home/nikita/gnuabi64-tarballs/"
+                                         "m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/"
+                                         "binutils-static-stripped-2.23.2-mips64el-linux-gnuabi64.tar.xz"))
                         "ld"                      ; the program to test
                         "Bootstrap binaries of the GNU Binutils"))
 
@@ -275,20 +259,9 @@ $out/bin/guile --version~%"
     (inputs
      `(("tar" ,(search-bootstrap-binary "tar" (%current-system)))
        ("xz"  ,(search-bootstrap-binary "xz" (%current-system)))
-       ("tarball" ,(bootstrap-origin
-                    (origin
-                     (method url-fetch)
-                     (uri (map (cut string-append <> "/" (%current-system)
-                                    "/20130105/glibc-2.17.tar.xz")
-                               %bootstrap-base-urls))
-                     (sha256
-                      (match (%current-system)
-                        ("x86_64-linux"
-                         (base32
-                          "18kv1z9d8dr1j3hm9w7663kchqw9p6rsx11n1m143jgba2jz6jy3"))
-                        ("i686-linux"
-                         (base32
-                          "08hv8i0axwnihrcgbz19x0a7s6zyv3yx38x8r29liwl8h82x9g88")))))))))
+       ("tarball" ,(string-append "/home/nikita/gnuabi64-tarballs/"
+                                  "m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/"
+                                  "glibc-stripped-2.17-mips64el-linux-gnuabi64.tar.xz"))))
     (synopsis "Bootstrap binaries and headers of the GNU C Library")
     (description #f)
     (home-page #f)
@@ -343,20 +316,9 @@ exec ~a/bin/.gcc-wrapped -B~a/lib \
        ("xz"  ,(search-bootstrap-binary "xz" (%current-system)))
        ("bash" ,(search-bootstrap-binary "bash" (%current-system)))
        ("libc" ,%bootstrap-glibc)
-       ("tarball" ,(bootstrap-origin
-                    (origin
-                     (method url-fetch)
-                     (uri (map (cut string-append <> "/" (%current-system)
-                                    "/20130105/gcc-4.7.2.tar.xz")
-                               %bootstrap-base-urls))
-                     (sha256
-                      (match (%current-system)
-                        ("x86_64-linux"
-                         (base32
-                          "1x1p7han5crnbw906iwdifykr6grzm0w27dy9gz75j0q1b32i4px"))
-                        ("i686-linux"
-                         (base32
-                          "06wqs0xxnpw3hn0xjb4c9cs0899p1xwkcysa2rvzhvpra0c5vsg2")))))))))
+       ("tarball" ,(string-append "/home/nikita/gnuabi64-tarballs/"
+                                  "m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/"
+                                  "gcc-stripped-4.7.3-mips64el-linux-gnuabi64.tar.xz"))))
     (native-search-paths
      (list (search-path-specification
             (variable "CPATH")