diff options
Diffstat (limited to 'nixpkgs/pkgs/build-support/rust/build-rust-crate/default.nix')
-rw-r--r-- | nixpkgs/pkgs/build-support/rust/build-rust-crate/default.nix | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/build-support/rust/build-rust-crate/default.nix b/nixpkgs/pkgs/build-support/rust/build-rust-crate/default.nix index d9ed26f1d94a..d559aba16165 100644 --- a/nixpkgs/pkgs/build-support/rust/build-rust-crate/default.nix +++ b/nixpkgs/pkgs/build-support/rust/build-rust-crate/default.nix @@ -45,14 +45,17 @@ let " --extern ${name}=${dep.lib}/lib/lib${extern}-${dep.metadata}${stdenv.hostPlatform.extensions.sharedLibrary}") ) dependencies; + # Create feature arguments for rustc. + mkRustcFeatureArgs = lib.concatMapStringsSep " " (f: ''--cfg feature=\"${f}\"''); + inherit (import ./log.nix { inherit lib; }) noisily echo_colored; configureCrate = import ./configure-crate.nix { - inherit lib stdenv echo_colored noisily mkRustcDepArgs; + inherit lib stdenv echo_colored noisily mkRustcDepArgs mkRustcFeatureArgs; }; buildCrate = import ./build-crate.nix { - inherit lib stdenv mkRustcDepArgs rust; + inherit lib stdenv mkRustcDepArgs mkRustcFeatureArgs rust; }; installCrate = import ./install-crate.nix { inherit stdenv; }; @@ -233,8 +236,11 @@ stdenv.mkDerivation (rec { ++ lib.concatMap (dep: dep.completeBuildDeps ++ dep.completeDeps) buildDependencies ); - crateFeatures = lib.optionalString (crate ? features) - (lib.concatMapStringsSep " " (f: ''--cfg feature=\"${f}\"'') (crate.features ++ features)); + # Create a list of features that are enabled by the crate itself and + # through the features argument of buildRustCrate. Exclude features + # with a forward slash, since they are passed through to dependencies. + crateFeatures = lib.optionals (crate ? features) + (builtins.filter (f: !lib.hasInfix "/" f) (crate.features ++ features)); libName = if crate ? libName then crate.libName else crate.crateName; libPath = if crate ? libPath then crate.libPath else ""; @@ -244,7 +250,8 @@ stdenv.mkDerivation (rec { metadata = let depsMetadata = lib.foldl' (str: dep: str + dep.metadata) "" (dependencies ++ buildDependencies); hashedMetadata = builtins.hashString "sha256" - (crateName + "-" + crateVersion + "___" + toString crateFeatures + "___" + depsMetadata); + (crateName + "-" + crateVersion + "___" + toString (mkRustcFeatureArgs crateFeatures) + + "___" + depsMetadata); in lib.substring 0 10 hashedMetadata; build = crate.build or ""; |