Use separate Nix environments for each target

1 files changed, 40 insertions, 0 deletions

diff --git a/lid_driven_cavity/cpp/shell.nix b/lid_driven_cavity/cpp/shell.nix
new file mode 100644
index 0000000..d2d157d
--- /dev/null
+++ b/lid_driven_cavity/cpp/shell.nix
@@ -0,0 +1,40 @@
+{ pkgs ? import <nixpkgs> { }, ... }:
+
+pkgs.stdenvNoCC.mkDerivation rec {
+  name = "boltzgen-env";
+  env = pkgs.buildEnv { name = name; paths = buildInputs; };
+
+  buildInputs = let
+    boltzgen = pkgs.python3.pkgs.buildPythonPackage rec {
+      pname = "boltzgen";
+      version = "0.1";
+
+      src = builtins.fetchGit {
+        url = "https://code.kummerlaender.eu/boltzgen/";
+        rev = "4a2885ad3ae0396486d288df94339d0c45e6db8b";
+      };
+
+      propagatedBuildInputs = with pkgs.python37Packages; [
+        sympy
+        numpy
+        Mako
+      ];
+
+      doCheck = false;
+    };
+
+    local-python = pkgs.python3.withPackages (python-packages: with python-packages; [
+      boltzgen
+    ]);
+
+  in with pkgs; [
+    local-python
+    gcc9
+    cmake
+  ];
+
+  shellHook = ''
+    export NIX_SHELL_NAME="${name}"
+    export PYTHONPATH="$PWD:$PYTHONPATH"
+  '';
+}