Add flake

2022-12-06 23:03:36 +01:00
commit fbb85631ed
2 changed files with 202 additions and 0 deletions
--- a/flake.nix
+++ b/flake.nix
@ -0,0 +1,108 @@
+{
+  description = "BSEos flake for development shell";
+
+  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 ];
+        };
+
+        # bintools with multilib
+        bintools_multi = pkgs.wrapBintoolsWith {
+          bintools =
+            pkgs.bintools.bintools; # Get the unwrapped bintools from the wrapper
+          libc = pkgs.glibc_multi;
+        };
+
+        # gcc12 with multilib
+        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 with multilib for clang-tools
+        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 = "BSEos";
+
+          packages = with pkgs; [
+            gcc12_multi
+            bintools_multi
+            clang14_multi
+            # clang-tools_14 # clangd + clang-format + clang-tidy
+
+            nasm
+            gnumake
+            bear # To generate compilation database
+            gdb
+            qemu # Start os in virtual machine
+            doxygen # Generate docs + graphs
+
+            # glibc_multi # Needed for lsp to find some headers
+            # clang_14 # To view template generation, also alternative error messages, conflicts with gcc
+
+            jetbrains.clion
+
+            # TODO: Figure out what is needed to make cling work
+            # llvmPackages_14.llvm
+            # cling # To try out my bullshit implementations
+            # root
+          ];
+
+          # Not for devshell
+          # hardeningDisable = [ "fortify" ]; # FORTIFY_SOURCE needs -O2 but we compile with -O0
+
+          commands = [
+            {
+              name = "ide";
+              help = "Run clion for project";
+              command = "clion &>/dev/null ./ &";
+            }
+            {
+              name = "build";
+              help = "Build the OS";
+              command = "make --jobs 6";
+            }
+            {
+              name = "build-clang";
+              help = "Build the OS using clang";
+              command = "GCCFLAGS='' CC=clang CXX=clang++ make --jobs 6";
+            }
+            {
+              name = "run";
+              help = "Start OS in qemu";
+              command = "make qemu --jobs 6";
+            }
+            {
+              name = "clean";
+              help = "Cleanup build files";
+              command = "make clean";
+            }
+            {
+              name = "generate-compile-commands";
+              help = "Generate the compilation database for clangd";
+              command = "make clean && GCCFLAGS='' bear -- make --jobs 6";
+            }
+            {
+              name = "debug";
+              help = "Start OS for gdb connection and run gdb";
+              command = "(make clean) && (make qemu-gdb --jobs 6 &) && (make gdb)";
+            }
+          ];
+        };
+      });
+}