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