add c_cxx env flake

env/c_cxx.nix

@@ -0,0 +1,84 @@
+{
+  description = "";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.devshell.url = "github:numtide/devshell";
+
+  outputs = { self, nixpkgs, flake-utils, devshell }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config.allowUnfree = true; # For clion
+          overlays = [ devshell.overlay ];
+        };
+
+        # NOTE: Usual 64 bit compilers that don't collide
+        bintools = pkgs.wrapBintoolsWith {
+          bintools = pkgs.bintools.bintools;
+          libc = pkgs.glibc;
+        };
+        gcc12 = pkgs.hiPrio (pkgs.wrapCCWith {
+          cc = pkgs.gcc12.cc;
+          libc = pkgs.glibc;
+          bintools = bintools;
+        });
+        clang14 = pkgs.wrapCCWith {
+          cc = pkgs.clang_14.cc;
+          libc = pkgs.glibc;
+          bintools = bintools;
+        };
+
+        # NOTE: Multilib compilers that don't collide
+        bintools_multi = pkgs.wrapBintoolsWith {
+          bintools = pkgs.bintools.bintools; # Get the unwrapped bintools from the wrapper
+          libc = pkgs.glibc_multi;
+        };
+        gcc12_multi = pkgs.hiPrio (pkgs.wrapCCWith {
+          cc = pkgs.gcc12.cc; # Get the unwrapped gcc from the wrapper
+          libc = pkgs.glibc_multi;
+          bintools = bintools_multi;
+        });
+        clang14_multi = pkgs.wrapCCWith {
+          cc = pkgs.clang_14.cc;
+          libc = pkgs.glibc_multi;
+          bintools = bintools_multi;
+        };
+      in {
+        # devShell = pkgs.devshell.mkShell ...
+        devShell = pkgs.devshell.mkShell {
+          name = "";
+
+          packages = with pkgs; [
+            # Compilers
+            bintools
+            gcc12
+            clang14
+            # bintools_multi
+            # gcc12_multi
+            # clang14_multi
+
+            # Native buildinputs
+            gnumake
+            cmake
+            nasm
+
+            # Development
+            jetbrains.clion
+            bear # To generate compilation database
+            gdb
+            cling # To try out my bullshit implementations
+            # doxygen # Generate docs + graphs
+          ];
+
+          commands = [
+            {
+              name = "ide";
+              help = "Run clion for project";
+              command = "clion &>/dev/null ./ &";
+            }
+          ];
+        };
+      });
+}