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{ stdenv, cacert, git, cargo, rustc, fetchcargo, buildPackages, windows }:
{ name ? "${args.pname}-${args.version}"
, cargoSha256 ? "unset"
, src ? null
, srcs ? null
, cargoPatches ? []
, patches ? []
, sourceRoot ? null
, logLevel ? ""
, buildInputs ? []
, nativeBuildInputs ? []
, cargoUpdateHook ? ""
, cargoDepsHook ? ""
, cargoBuildFlags ? []
, # Set to true to verify if the cargo dependencies are up to date.
# This will change the value of cargoSha256.
verifyCargoDeps ? false
, buildType ? "release"
, meta ? {}
, cargoVendorDir ? null
, ... } @ args:
assert cargoVendorDir == null -> cargoSha256 != "unset";
assert buildType == "release" || buildType == "debug";
let
cargoDeps = if cargoVendorDir == null
then fetchcargo {
inherit name src srcs sourceRoot cargoUpdateHook;
copyLockfile = verifyCargoDeps;
patches = cargoPatches;
sha256 = cargoSha256;
}
else null;
setupVendorDir = if cargoVendorDir == null
then ''
unpackFile "$cargoDeps"
cargoDepsCopy=$(stripHash $(basename $cargoDeps))
chmod -R +w "$cargoDepsCopy"
''
else ''
cargoDepsCopy="$sourceRoot/${cargoVendorDir}"
'';
hostConfig = stdenv.hostPlatform.config;
rustHostConfig = {
x86_64-pc-mingw32 = "x86_64-pc-windows-gnu";
}.${hostConfig} or hostConfig;
ccForBuild="${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc";
cxxForBuild="${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}c++";
ccForHost="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc";
cxxForHost="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}c++";
releaseDir = "target/${rustHostConfig}/${buildType}";
in
stdenv.mkDerivation (args // {
inherit cargoDeps;
patchRegistryDeps = ./patch-registry-deps;
nativeBuildInputs = nativeBuildInputs ++ [ cacert git cargo rustc ];
buildInputs = buildInputs ++ stdenv.lib.optional stdenv.hostPlatform.isMinGW windows.pthreads;
patches = cargoPatches ++ patches;
PKG_CONFIG_ALLOW_CROSS =
if stdenv.buildPlatform != stdenv.hostPlatform then 1 else 0;
postUnpack = ''
eval "$cargoDepsHook"
${setupVendorDir}
mkdir .cargo
config="$(pwd)/$cargoDepsCopy/.cargo/config";
if [[ ! -e $config ]]; then
config=${./fetchcargo-default-config.toml};
fi;
substitute $config .cargo/config \
--subst-var-by vendor "$(pwd)/$cargoDepsCopy"
cat >> .cargo/config <<'EOF'
[target."${stdenv.buildPlatform.config}"]
"linker" = "${ccForBuild}"
${stdenv.lib.optionalString (stdenv.buildPlatform.config != stdenv.hostPlatform.config) ''
[target."${rustHostConfig}"]
"linker" = "${ccForHost}"
${# https://github.com/rust-lang/rust/issues/46651#issuecomment-433611633
stdenv.lib.optionalString (stdenv.hostPlatform.isMusl && stdenv.hostPlatform.isAarch64) ''
"rustflags" = [ "-C", "target-feature=+crt-static", "-C", "link-arg=-lgcc" ]
''}
''}
EOF
unset cargoDepsCopy
export RUST_LOG=${logLevel}
'' + stdenv.lib.optionalString verifyCargoDeps ''
if ! diff source/Cargo.lock $cargoDeps/Cargo.lock ; then
echo
echo "ERROR: cargoSha256 is out of date."
echo
echo "Cargo.lock is not the same in $cargoDeps."
echo
echo "To fix the issue:"
echo '1. Use "1111111111111111111111111111111111111111111111111111" as the cargoSha256 value'
echo "2. Build the derivation and wait it to fail with a hash mismatch"
echo "3. Copy the 'got: sha256:' value back into the cargoSha256 field"
echo
exit 1
fi
'' + (args.postUnpack or "");
configurePhase = args.configurePhase or ''
runHook preConfigure
runHook postConfigure
'';
buildPhase = with builtins; args.buildPhase or ''
runHook preBuild
(
set -x
env \
"CC_${stdenv.buildPlatform.config}"="${ccForBuild}" \
"CXX_${stdenv.buildPlatform.config}"="${cxxForBuild}" \
"CC_${stdenv.hostPlatform.config}"="${ccForHost}" \
"CXX_${stdenv.hostPlatform.config}"="${cxxForHost}" \
cargo build \
${stdenv.lib.optionalString (buildType == "release") "--release"} \
--target ${rustHostConfig} \
--frozen ${concatStringsSep " " cargoBuildFlags}
)
# rename the output dir to a architecture independent one
mapfile -t targets < <(find "$NIX_BUILD_TOP" -type d | grep '${releaseDir}$')
for target in "''${targets[@]}"; do
rm -rf "$target/../../${buildType}"
ln -srf "$target" "$target/../../"
done
runHook postBuild
'';
checkPhase = args.checkPhase or ''
runHook preCheck
echo "Running cargo test"
cargo test
runHook postCheck
'';
doCheck = args.doCheck or true;
inherit releaseDir;
installPhase = args.installPhase or ''
runHook preInstall
mkdir -p $out/bin $out/lib
find $releaseDir \
-maxdepth 1 \
-type f \
-executable ! \( -regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" \) \
-print0 | xargs -r -0 cp -t $out/bin
find $releaseDir \
-maxdepth 1 \
-regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" \
-print0 | xargs -r -0 cp -t $out/lib
rmdir --ignore-fail-on-non-empty $out/lib $out/bin
runHook postInstall
'';
passthru = { inherit cargoDeps; } // (args.passthru or {});
meta = {
# default to Rust's platforms
platforms = rustc.meta.platforms;
} // meta;
})