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-rw-r--r--gnu/packages/maths.scm15
1 files changed, 15 insertions, 0 deletions
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index a644468627..7d70ac1fa6 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2836,6 +2836,16 @@ parts of it.")
        #:phases
        (modify-phases %standard-phases
          (delete 'configure)
+         ;; Conditionally apply a patch on i686 to avoid rebuilding
+         ;; all architectures.  FIXME: This should be moved to the
+         ;; (source (patches ...)) field in the next rebuild cycle.
+         ,@(if (string-prefix? "i686" (or (%current-target-system)
+                                          (%current-system)))
+               `((add-after 'unpack 'fix-tests
+                   (lambda* (#:key inputs #:allow-other-keys)
+                     (invoke "patch" "-p1"
+                             "--input" (assoc-ref inputs "i686-fix-tests.patch")))))
+               '())
          (add-before 'build 'set-extralib
            (lambda* (#:key inputs #:allow-other-keys)
              ;; Get libgfortran found when building in utest.
@@ -2847,6 +2857,11 @@ parts of it.")
      `(("fortran-lib" ,gfortran "lib")))
     (native-inputs
      `(("cunit" ,cunit)
+       ,@(if (string-prefix? "i686" (or (%current-target-system)
+                                        (%current-system)))
+             `(("i686-fix-tests.patch"
+                ,(search-patch "openblas-fix-tests-i686.patch")))
+             '())
        ("fortran" ,gfortran)
        ("perl" ,perl)))
     (home-page "http://www.openblas.net/")