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|
{
lib,
callPackage,
writeText,
symlinkJoin,
targetPlatform,
hostPlatform,
darwin,
clang,
llvm,
tools ? callPackage ./tools.nix { inherit hostPlatform; },
stdenv,
stdenvNoCC,
dart,
fetchgit,
runCommand,
llvmPackages,
llvmPackages_15,
patchelf,
openbox,
xorg,
libglvnd,
libepoxy,
wayland,
freetype,
pango,
glib,
harfbuzz,
cairo,
gdk-pixbuf,
at-spi2-atk,
zlib,
gtk3,
pkg-config,
ninja,
python3,
git,
version,
flutterVersion,
dartSdkVersion,
swiftshaderHash,
swiftshaderRev,
hashes,
patches,
url,
runtimeMode ? "release",
isOptimized ? true,
}:
with lib;
let
expandSingleDep =
dep: lib.optionals (lib.isDerivation dep) ([ dep ] ++ map (output: dep.${output}) dep.outputs);
expandDeps = deps: flatten (map expandSingleDep deps);
constants = callPackage ./constants.nix { inherit targetPlatform; };
src = callPackage ./source.nix {
inherit
tools
version
hashes
url
;
};
swiftshader = fetchgit {
url = "https://swiftshader.googlesource.com/SwiftShader.git";
hash = swiftshaderHash;
rev = swiftshaderRev;
postFetch = ''
rm -rf $out/third_party/llvm-project
'';
};
llvm = symlinkJoin {
name = "llvm";
paths = with llvmPackages; [
clang
llvmPackages.llvm
];
};
outName = "host_${runtimeMode}${lib.optionalString (!isOptimized) "_unopt --unoptimized"}";
dartPath = "${if (lib.versionAtLeast flutterVersion "3.23") then "flutter/third_party" else "third_party"}/dart";
in
stdenv.mkDerivation (finalAttrs: {
pname = "flutter-engine-${runtimeMode}${lib.optionalString (!isOptimized) "-unopt"}";
inherit
version
runtimeMode
patches
isOptimized
dartSdkVersion
src
outName
swiftshader;
toolchain = symlinkJoin {
name = "flutter-engine-toolchain-${version}";
paths =
expandDeps (
optionals (stdenv.isLinux) [
gtk3
wayland
libepoxy
libglvnd
freetype
at-spi2-atk
glib
gdk-pixbuf
harfbuzz
pango
cairo
xorg.libxcb
xorg.libX11
xorg.libXcursor
xorg.libXrandr
xorg.libXrender
xorg.libXinerama
xorg.libXi
xorg.libXext
xorg.libXfixes
xorg.libXxf86vm
xorg.xorgproto
zlib
]
++ optionals (stdenv.isDarwin) [
clang
llvm
]
)
++ [
stdenv.cc.libc_dev
stdenv.cc.libc_lib
];
# Needed due to Flutter expecting everything to be relative to $out
# and not true absolute path (ie relative to "/").
postBuild = ''
mkdir -p $(dirname $(dirname "$out/$out"))
ln -s $(dirname "$out") $out/$(dirname "$out")
'';
};
NIX_CFLAGS_COMPILE = "-I${finalAttrs.toolchain}/include";
nativeCheckInputs = lib.optionals stdenv.isLinux [ xorg.xorgserver openbox ];
nativeBuildInputs =
[
python3
(tools.vpython python3)
git
pkg-config
ninja
dart
]
++ lib.optionals (stdenv.isLinux) [ patchelf ]
++ optionals (stdenv.isDarwin) [
darwin.system_cmds
darwin.xcode
tools.xcode-select
]
++ lib.optionals (stdenv.cc.libc ? bin) [ stdenv.cc.libc.bin ];
buildInputs = [ gtk3 ];
patchtools = [
"${dartPath}/tools/sdks/dart-sdk/bin/dart"
"flutter/third_party/gn/gn"
];
dontPatch = true;
patchgit = [
dartPath
"flutter"
"."
] ++ lib.optional (lib.versionAtLeast flutterVersion "3.21") "flutter/third_party/skia";
postUnpack = ''
pushd ${src.name}
cp ${./pkg-config.py} src/build/config/linux/pkg-config.py
cp -pr --reflink=auto $swiftshader src/flutter/third_party/swiftshader
chmod -R u+w -- src/flutter/third_party/swiftshader
ln -s ${llvmPackages_15.llvm.monorepoSrc} src/flutter/third_party/swiftshader/third_party/llvm-project
mkdir -p src/flutter/buildtools/${constants.alt-platform}
ln -s ${llvm} src/flutter/buildtools/${constants.alt-platform}/clang
ln -s ${dart} src/${dartPath}/tools/sdks/dart-sdk
${lib.optionalString (stdenv.isLinux) ''
for patchtool in ''${patchtools[@]}; do
patchelf src/$patchtool --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker)
done
''}
for dir in ''${patchgit[@]}; do
pushd src/$dir
rev=$(cat .git/HEAD)
rm -rf .git
git init
git add .
git config user.name "nobody"
git config user.email "nobody@local.host"
git commit -a -m "$rev" --quiet
popd
done
dart src/${dartPath}/tools/generate_package_config.dart
echo "${dartSdkVersion}" >src/${dartPath}/sdk/version
rm -rf src/third_party/angle/.git
python3 src/flutter/tools/pub_get_offline.py
pushd src/flutter
for p in ''${patches[@]}; do
patch -p1 -i $p
done
popd
popd
'';
configureFlags =
[
"--no-prebuilt-dart-sdk"
"--embedder-for-target"
"--no-goma"
]
++ optionals (targetPlatform.isx86_64 == false) [
"--linux"
"--linux-cpu ${constants.alt-arch}"
];
# NOTE: Once https://github.com/flutter/flutter/issues/127606 is fixed, use "--no-prebuilt-dart-sdk"
configurePhase =
''
runHook preConfigure
export PYTHONPATH=$src/src/build
''
+ lib.optionalString stdenv.isDarwin ''
export PATH=${darwin.xcode}/Contents/Developer/usr/bin/:$PATH
''
+ ''
python3 ./src/flutter/tools/gn $configureFlags \
--runtime-mode $runtimeMode \
--out-dir $out \
--target-sysroot $toolchain \
--target-dir $outName \
--target-triple ${targetPlatform.config} \
--enable-fontconfig
runHook postConfigure
'';
buildPhase = ''
runHook preBuild
export TERM=dumb
for tool in flatc scenec gen_snapshot dart impellerc shader_archiver gen_snapshot_product; do
ninja -C $out/out/$outName -j$NIX_BUILD_CORES $tool
${lib.optionalString (stdenv.isLinux) ''
patchelf $out/out/$outName/$tool --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker)
''}
done
ninja -C $out/out/$outName -j$NIX_BUILD_CORES
${lib.optionalString (stdenv.isLinux) ''
patchelf $out/out/$outName/dart-sdk/bin/dartaotruntime \
--set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker)
find $out/out/$outName/exe.unstripped -executable -type f -exec patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) {} \;
''}
runHook postBuild
'';
# Tests are broken
doCheck = false;
checkPhase = ''
ln -s $out/out src/out
touch src/out/run_tests.log
sh src/flutter/testing/run_tests.sh $outName
rm src/out/run_tests.log
'';
installPhase = ''
runHook preInstall
rm -rf $out/out/$outName/{obj,gen,exe.unstripped,lib.unstripped,zip_archives}
rm $out/out/$outName/{args.gn,build.ninja,build.ninja.d,compile_commands.json,display_list_rendertests,flutter_tester,toolchain.ninja}
find $out/out/$outName -name '*_unittests' -delete
find $out/out/$outName -name '*_benchmarks' -delete
runHook postInstall
'';
passthru = {
dart = callPackage ./dart.nix { engine = finalAttrs.finalPackage; };
};
meta = {
# Very broken on Darwin
broken = stdenv.isDarwin;
description = "The Flutter engine";
homepage = "https://flutter.dev";
maintainers = with maintainers; [ RossComputerGuy ];
license = licenses.bsd3;
platforms = [
"x86_64-linux"
"aarch64-linux"
"x86_64-darwin"
"aarch64-darwin"
];
};
})
|