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-rw-r--r--gnu/packages/maths.scm5
1 files changed, 4 insertions, 1 deletions
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 62d4adfbd1..91133f721a 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -4635,7 +4635,10 @@ parts of it.")
     (arguments
      (substitute-keyword-arguments (package-arguments openblas)
        ((#:make-flags flags #~'())
-        #~(append (list "INTERFACE64=1" "LIBNAMESUFFIX=ilp64")
+        ;; These should be '64' but julia hardcodes '64_'.
+        #~(append (list "INTERFACE64=1"
+                        "SYMBOLSUFFIX=64_"
+                        "LIBPREFIX=libopenblas64_")
                  #$flags))))
     (synopsis "Optimized BLAS library based on GotoBLAS (ILP64 version)")
     (license license:bsd-3)))