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lutra flake.nix
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Nix
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051{ description = "Lutra — RAW decoder build toolchain (emscripten + bun + autotools)";
inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
outputs = { self, nixpkgs }: let systems = [ "aarch64-darwin" "x86_64-darwin" "aarch64-linux" "x86_64-linux" ]; forAllSystems = nixpkgs.lib.genAttrs systems; in { devShells = forAllSystems (system: let pkgs = nixpkgs.legacyPackages.${system}; in { default = pkgs.mkShell { name = "lutra-dev";
# bun has no x86_64-darwin build; guard it so the shell still # works on Intel Macs (only the wasm-rebuild day needs it). packages = with pkgs; [ emscripten (lib.optional (system != "x86_64-darwin") bun) autoconf automake libtool gnumake # pkgconf (not pkg-config): its modern pkg.m4 avoids the autoconf # 2.7x "overquoted macro" failures in LibRaw's configure.ac. pkgconf ];
# Rebuild-the-wasm is a version-bump-day activity (dist is committed); # devs without emscripten never need to. The script still checks loudly. shellHook = '' if command -v emcc >/dev/null; then echo "emcc: $(emcc --version 2>/dev/null | head -1)" else echo "warning: emcc not on PATH — only needed to rebuild the wasm (see packages/raw-decoder/scripts)" fi ''; }; }); };}