@@ -0,0 +1,1 @@
+BasedOnStyle: GNU

@@ -0,0 +1,9 @@
+[submodule "contrib/TinyCrypT"]
+	path = contrib/TinyCrypT
+	url = https://gitea.eyes-like-fire.org/juniper/TinyCrypT.git
+[submodule "contrib/mlkem-native"]
+	path = contrib/mlkem-native
+	url = https://github.com/pq-code-package/mlkem-native.git
+[submodule "contrib/mldsa-native"]
+	path = contrib/mldsa-native
+	url = https://github.com/pq-code-package/mldsa-native.git

@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "esp32-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1767865407,
+        "narHash": "sha256-QWF1rZYd+HvNzLIeRS+OEBX7HF0EhWCGeLbMkgtbsIo=",
+        "owner": "mirrexagon",
+        "repo": "nixpkgs-esp-dev",
+        "rev": "5287d6e1ca9e15ebd5113c41b9590c468e1e001b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mirrexagon",
+        "repo": "nixpkgs-esp-dev",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1767799921,
+        "narHash": "sha256-r4GVX+FToWVE2My8VVZH4V0pTIpnu2ZE8/Z4uxGEMBE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d351d0653aeb7877273920cd3e823994e7579b0b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1782847225,
+        "narHash": "sha256-JC9PjqKYG9ve5U8aDOLQipp3+KLANBHUvGdLZlxzdKI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "95ca1e203c0750115fd4a6f17d5a245dfe6b1edd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-26.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "esp32-overlay": "esp32-overlay",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

@@ -0,0 +1,82 @@
+{
+  description = "Circe Build Environment";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-26.05";
+    esp32-overlay.url = "github:mirrexagon/nixpkgs-esp-dev";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      esp32-overlay,
+      ...
+    }@inputs:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs-persephone = import nixpkgs {
+        overlays = [ esp32-overlay.overlays.default ];
+        inherit system;
+        config.permittedInsecurePackages = [ "python3.13-ecdsa-0.19.1" ];
+      };
+      aphrodite_shl = pkgs.mkShell {
+        name = "circe-tooling-env-aphrodite";
+        packages = with pkgs; [
+          ninja
+          meson
+          gcc
+          clang-tools
+          valgrind
+          bear
+          tokei
+        ];
+      };
+      teiresia_shl = pkgs.mkShell {
+        name = "circe-tooling-env-teiresia";
+        packages = with pkgs; [
+          ninja
+          meson
+          pkgsCross.aarch64-multiplatform-musl.gcc
+          clang-tools
+          valgrind
+          bear
+          tokei
+        ];
+      };
+      demeter_shl = pkgs.mkShell {
+        name = "circe-tooling-env-demeter";
+        packages = with pkgs; [
+          ninja
+          meson
+          pkgsCross.mips64el-linux-gnuabin32.gcc
+          clang-tools
+          valgrind
+          bear
+          tokei
+        ];
+      };
+      persephone_shl = pkgs.mkShell {
+        name = "circe-tooling-env-persephone";
+        packages = with pkgs-persephone; [
+          ninja
+          meson
+          esp-idf-xtensa
+          qemu-esp32
+          clang-tools
+          valgrind
+          bear
+          tokei
+        ];
+      };
+    in
+    {
+      devShells.${system} = {
+        default = aphrodite_shl;
+        teiresia = teiresia_shl;
+        demeter = demeter_shl;
+        persephone = persephone_shl;
+      };
+    };
+}

@@ -0,0 +1,28 @@
+project('Circe', 'c', version: '0.1.0')
+
+build_args = [
+    '-O3',
+    '-ffreestanding',
+]
+
+# if target_machine.cpu_family() == 'x86_64'
+#     build_args += '-march=native'
+# endif
+
+## LIBCIRCE-CORE
+
+core_sources = []
+
+core_incdir = include_directories('core/')
+
+core_target = static_library('libcirce-core', core_sources, c_args: build_args, include_directories: core_incdir)
+
+core_dep = declare_dependency(
+  include_directories: core_incdir,
+  link_with : target
+)
+set_variable(meson.project_name() + '_core_dep', core_dep)
+
+if not meson.is_subproject() and not meson.is_cross_build()
+    # Tests go here
+endif