diff options
Diffstat (limited to 'nixpkgs/pkgs/development/libraries/science/math/arpack/default.nix')
| -rw-r--r-- | nixpkgs/pkgs/development/libraries/science/math/arpack/default.nix | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/libraries/science/math/arpack/default.nix b/nixpkgs/pkgs/development/libraries/science/math/arpack/default.nix index 36576de05631..89f3aa94247b 100644 --- a/nixpkgs/pkgs/development/libraries/science/math/arpack/default.nix +++ b/nixpkgs/pkgs/development/libraries/science/math/arpack/default.nix @@ -30,9 +30,9 @@ stdenv.mkDerivation { ]; preCheck = if stdenv.isDarwin then '' - export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:`pwd`/lib + export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH''${DYLD_LIBRARY_PATH:+:}`pwd`/lib '' else '' - export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:`pwd`/lib + export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}`pwd`/lib '' + '' # Prevent tests from using all cores export OMP_NUM_THREADS=2 |