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-rw-r--r--nixpkgs/pkgs/development/compilers/julia/1.0.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/compilers/julia/1.0.nix b/nixpkgs/pkgs/development/compilers/julia/1.0.nix
index 98d7ce90de3b..5b1a4674a88a 100644
--- a/nixpkgs/pkgs/development/compilers/julia/1.0.nix
+++ b/nixpkgs/pkgs/development/compilers/julia/1.0.nix
@@ -139,7 +139,7 @@ stdenv.mkDerivation rec {
       "prefix=$(out)"
       "SHELL=${stdenv.shell}"
 
-      "USE_SYSTEM_BLAS=1"
+      (lib.optionalString (!stdenv.isDarwin) "USE_SYSTEM_BLAS=1")
       "USE_BLAS64=${if blas.isILP64 then "1" else "0"}"
 
       "USE_SYSTEM_LAPACK=1"