111 lines
3.3 KiB
Nix
111 lines
3.3 KiB
Nix
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{ lib
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, stdenv
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, callPackage
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, flutter
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, supportsLinuxDesktop ? stdenv.isLinux
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, extraPkgConfigPackages ? [ ]
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, extraLibraries ? [ ]
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, extraIncludes ? [ ]
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, extraCxxFlags ? [ ]
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, extraCFlags ? [ ]
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, extraLinkerFlags ? [ ]
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, makeWrapper
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, runCommandLocal
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, writeShellScript
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, git
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, which
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, pkg-config
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, atk
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, cairo
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, gdk-pixbuf
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, glib
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, gtk3
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, harfbuzz
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, libepoxy
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, pango
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, libX11
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, xorgproto
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, libdeflate
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, zlib
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, cmake
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, ninja
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, clang
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}:
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let
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# By default, Flutter stores downloaded files (such as the Pub cache) in the SDK directory.
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# Wrap it to ensure that it does not do that, preferring home directories instead.
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immutableFlutter = writeShellScript "flutter_immutable" ''
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export PUB_CACHE=''${PUB_CACHE:-"$HOME/.pub-cache"}
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${flutter}/bin/flutter "$@"
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'';
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# Tools that the Flutter tool depends on.
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tools = [ git which ];
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# Libraries that Flutter apps depend on at runtime.
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appRuntimeDeps = lib.optionals supportsLinuxDesktop [
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atk
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cairo
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gdk-pixbuf
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glib
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gtk3
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harfbuzz
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libepoxy
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pango
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libX11
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libdeflate
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];
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# Development packages required for compilation.
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appBuildDeps =
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let
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# https://discourse.nixos.org/t/handling-transitive-c-dependencies/5942/3
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deps = pkg: builtins.filter lib.isDerivation ((pkg.buildInputs or [ ]) ++ (pkg.propagatedBuildInputs or [ ]));
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collect = pkg: lib.unique ([ pkg ] ++ deps pkg ++ builtins.concatMap collect (deps pkg));
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in
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builtins.concatMap collect appRuntimeDeps;
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# Some header files and libraries are not properly located by the Flutter SDK.
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# They must be manually included.
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appStaticBuildDeps = (lib.optionals supportsLinuxDesktop [ libX11 xorgproto zlib ]) ++ extraLibraries;
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# Tools used by the Flutter SDK to compile applications.
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buildTools = lib.optionals supportsLinuxDesktop [
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pkg-config
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cmake
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ninja
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clang
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];
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# Nix-specific compiler configuration.
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pkgConfigPackages = map (lib.getOutput "dev") (appBuildDeps ++ extraPkgConfigPackages);
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includeFlags = map (pkg: "-isystem ${lib.getOutput "dev" pkg}/include") (appStaticBuildDeps ++ extraIncludes);
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linkerFlags = (map (pkg: "-rpath,${lib.getOutput "lib" pkg}/lib") appRuntimeDeps) ++ extraLinkerFlags;
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in
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(callPackage ./sdk-symlink.nix { }) (runCommandLocal "flutter-wrapped"
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{
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nativeBuildInputs = [ makeWrapper ];
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passthru = flutter.passthru // {
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inherit (flutter) version;
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unwrapped = flutter;
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};
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inherit (flutter) meta;
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} ''
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for path in ${builtins.concatStringsSep " " (builtins.foldl' (paths: pkg: paths ++ (map (directory: "'${pkg}/${directory}/pkgconfig'") ["lib" "share"])) [ ] pkgConfigPackages)}; do
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addToSearchPath FLUTTER_PKG_CONFIG_PATH "$path"
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done
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mkdir -p $out/bin
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makeWrapper '${immutableFlutter}' $out/bin/flutter \
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--set-default ANDROID_EMULATOR_USE_SYSTEM_LIBS 1 \
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--prefix PATH : '${lib.makeBinPath (tools ++ buildTools)}' \
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--prefix PKG_CONFIG_PATH : "$FLUTTER_PKG_CONFIG_PATH" \
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--prefix LIBRARY_PATH : '${lib.makeLibraryPath appStaticBuildDeps}' \
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--prefix CXXFLAGS "''\t" '${builtins.concatStringsSep " " (includeFlags ++ extraCxxFlags)}' \
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--prefix CFLAGS "''\t" '${builtins.concatStringsSep " " (includeFlags ++ extraCFlags)}' \
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--prefix LDFLAGS "''\t" '${builtins.concatStringsSep " " (map (flag: "-Wl,${flag}") linkerFlags)}'
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'')
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