Add a default.nix and a flake file to replace the conan stuff

default.nix

@@ -0,0 +1,32 @@
+{
+    nixPkgsVersion ? "3e52e76b70d5508f3cec70b882a29199f4d1ee85"
+}:
+let
+
+    getNixPkgs = args: import (builtins.fetchGit {
+        name = "nixpkg-serene-${nixPkgsVersion}";
+        url = "https://github.com/nixos/nixpkgs/";
+        # Commit hash for nixos-unstable as of 2018-09-12
+        # `git ls-remote https://github.com/nixos/nixpkgs nixos-unstable`
+        ref = "refs/heads/nixos-unstable";
+        rev = nixPkgsVersion;
+    }) args;
+
+    nixpkgs = getNixPkgs {};
+    system = import ./system.nix { pkgs = nixpkgs; };
+    staticMuslPkgs = getNixPkgs system;
+    llvm = staticMuslPkgs.llvmPackages_16.override { stdenv = staticMuslPkgs.llvmPackages_16.libcxxClang; };
+    SereneOverlay = final: prev:
+        {
+              sereneToolchain = llvm.libcxxClang;
+        };
+
+    createPkgSet = _: # It has to be the nixpkgs instance
+        getNixPkgs (system // { overlays = [ SereneOverlay ]; });
+    #pkgs = getNixPkgs nixVersion (system // { overlays = [ libcxxClangOverlay ]; });
+in {
+    inherit SereneOverlay createPkgSet;
+    # setupToolchain = nixpkgs:
+
+    #pkgs.stdenv.override { stdenv = llvm.libcxxClang; };
+}

flake.nix

@@ -0,0 +1,13 @@
+{
+  description = "Serene Toolchain";
+
+
+  outputs = inputs:
+      let
+          toolchain = import ./.;
+      in
+      {
+          inherit toolchain;
+      };
+
+}

packages/cmake/conanfile.py

@@ -52,7 +52,8 @@ class Cmake(ConanFile):
         cmake = CMake(self)
         flags = with_static_flags(
             {
-                "CMAKE_USE_OPENSSL": "OFF",
+                "CMAKE_USE_OPENSSL": "ON",
+                "OPENSSL_USE_STATIC_LIBS": "ON",
                 "BUILD_TESTING": "OFF",
             }
         )

system.nix

@@ -0,0 +1,21 @@
+{ pkgs }:
+let
+    parsedSystem = builtins.split "-" builtins.currentSystem;
+    arch = builtins.head (parsedSystem);
+    os = builtins.elemAt (parsedSystem) 2;
+
+    system = pkgs.lib.systems.elaborate {
+        system = builtins.currentSystem;
+        config = "${arch}-unknown-linux-musl";
+        isStatic = true;
+        useLLVM = true;
+        linker = "lld";
+    };
+
+    args = if os != "linux" then {}
+           else {
+               localSystem = system;
+               crossSystem = system;
+           };
+
+in args

tests/1/.ninja_log

@@ -1,3 +0,0 @@
-# ninja log v5
-0	0	1683492538462869278	main	6157dd645b7b0062
-0	0	1683492538462869278	main-static	92a52c8bbfaceaad

tests/1/build.ninja

@@ -1,10 +0,0 @@
-cxxflags = -Wall -fuse-ld=lld --sysroot /sysroot
-
-rule cc
-  command = clang++ $cxxflags -c $in -o $out
-
-rule static-cc
-  command = clang++ $cxxflags -c $in -o $out
-
-build main: cc main.cpp
-build main-static: static-cc main.cpp

tests/1/main.cpp

@@ -1,11 +0,0 @@
-#include <stdio.h>
-#include <string>
-#include <memory>
-#include <iostream>
-
-int main() {
-  auto a = std::make_unique<std::string>("boooo");
-  printf("test_1\n");
-  std::cout << *a << "\n";
-  return 0;
-}