3 files changed, 31 insertions, 8 deletions
diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index f951e28b3b..61eeba3cee 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -633,6 +633,21 @@ with the Linux kernel.")
    (license lgpl2.0+)
    (home-page "http://www.gnu.org/software/libc/")))
 
+(define-public glibc-2.21
+  ;; The old libc, which we use mostly to build locale data in the old format
+  ;; (which the new libc can cope with.)
+  (package
+    (inherit glibc)
+    (version "2.21")
+    (source (origin
+              (inherit (package-source glibc))
+              (uri (string-append "mirror://gnu/glibc/glibc-"
+                                  version ".tar.xz"))
+              (sha256
+               (base32
+                "1f135546j34s9bfkydmx2nhh9vwxlx60jldi80zmsnln6wj3dsxf"))
+              (patches (list (search-patch "glibc-ldd-x86_64.patch")))))))
+
 (define-public glibc-locales
   (package
     (inherit glibc)
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 4935f8019f..b4b930de47 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1474,13 +1474,14 @@ constant parts of it.")
     (build-system gnu-build-system)
     (arguments
      `(#:tests? #f  ;no "check" target
-       ;; DYNAMIC_ARCH is only supported on x86.  When it is disabled,
-       ;; OpenBLAS will tune itself to the build host, so we need to disable
-       ;; substitutions.
+       ;; DYNAMIC_ARCH is only supported on x86.  When it is disabled and no
+       ;; TARGET is specified, OpenBLAS will tune itself to the build host, so
+       ;; we need to disable substitutions.
        #:substitutable?
         ,(let ((system (or (%current-target-system) (%current-system))))
            (or (string-prefix? "x86_64" system)
-               (string-prefix? "i686" system)))
+               (string-prefix? "i686" system)
+               (string-prefix? "mips" system)))
        #:make-flags
        (list (string-append "PREFIX=" (assoc-ref %outputs "out"))
              "SHELL=bash"
@@ -1491,10 +1492,16 @@ constant parts of it.")
              ;; Unfortunately, this is not supported on non-x86 architectures,
              ;; where it leads to failed builds.
              ,@(let ((system (or (%current-target-system) (%current-system))))
-               (if (or (string-prefix? "x86_64" system)
+                 (cond
+                  ((or (string-prefix? "x86_64" system)
                        (string-prefix? "i686" system))
-                   '("DYNAMIC_ARCH=1")
-                   '())))
+                   '("DYNAMIC_ARCH=1"))
+                  ;; On MIPS we force the "SICORTEX" TARGET, as for the other
+                  ;; two available MIPS targets special extended instructions
+                  ;; for Loongson cores are used.
+                  ((string-prefix? "mips" system)
+                   '("TARGET=SICORTEX"))
+                  (else '()))))
        ;; no configure script
        #:phases (alist-delete 'configure %standard-phases)))
     (inputs
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index 773b2ebf99..f4b242df87 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -384,6 +384,7 @@ standards (MPEG-2, MPEG-4 ASP/H.263, MPEG-4 AVC/H.264, and VC-1/VMW3).")
     (inputs
      `(("fontconfig" ,fontconfig)
        ("freetype" ,freetype)
+       ("gnutls" ,gnutls)
        ("opus" ,opus)
        ("ladspa" ,ladspa)
        ("lame" ,lame)
@@ -467,7 +468,7 @@ standards (MPEG-2, MPEG-4 ASP/H.263, MPEG-4 AVC/H.264, and VC-1/VMW3).")
          "--enable-gpl" ; enable optional gpl licensed parts
          "--enable-shared"
          "--enable-fontconfig"
-         ;; "--enable-gnutls" ; causes test failures
+         "--enable-gnutls"
          "--enable-ladspa"
          "--enable-libass"
          "--enable-libbluray"