diff options
Diffstat (limited to 'pkgs/build-support/rust/build-rust-crate/default.nix')
| -rw-r--r-- | pkgs/build-support/rust/build-rust-crate/default.nix | 126 |
1 files changed, 51 insertions, 75 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/default.nix b/pkgs/build-support/rust/build-rust-crate/default.nix index edff3941636..d5d6bf30b7c 100644 --- a/pkgs/build-support/rust/build-rust-crate/default.nix +++ b/pkgs/build-support/rust/build-rust-crate/default.nix @@ -13,56 +13,34 @@ let then "macos" else stdenv.hostPlatform.parsed.kernel.name; - makeDeps = dependencies: crateRenames: - (lib.concatMapStringsSep " " (dep: + # Create rustc arguments to link against the given list of dependencies and + # renames + mkRustcDepArgs = dependencies: crateRenames: + lib.concatMapStringsSep " " (dep: let - extern = lib.strings.replaceStrings ["-"] ["_"] dep.libName; - name = if builtins.hasAttr dep.crateName crateRenames then + extern = lib.replaceStrings ["-"] ["_"] dep.libName; + name = if lib.hasAttr dep.crateName crateRenames then lib.strings.replaceStrings ["-"] ["_"] crateRenames.${dep.crateName} else extern; - in (if lib.lists.any (x: x == "lib") dep.crateType then + in (if lib.any (x: x == "lib") dep.crateType then " --extern ${name}=${dep.lib}/lib/lib${extern}-${dep.metadata}.rlib" else " --extern ${name}=${dep.lib}/lib/lib${extern}-${dep.metadata}${stdenv.hostPlatform.extensions.sharedLibrary}") - ) dependencies); - - echo_build_heading = colors: '' - echo_build_heading() { - start="" - end="" - if [[ "${colors}" == "always" ]]; then - start="$(printf '\033[0;1;32m')" #set bold, and set green. - end="$(printf '\033[0m')" #returns to "normal" - fi - if (( $# == 1 )); then - echo "$start""Building $1""$end" - else - echo "$start""Building $1 ($2)""$end" - fi - } - ''; - noisily = colors: verbose: '' - noisily() { - start="" - end="" - if [[ "${colors}" == "always" ]]; then - start="$(printf '\033[0;1;32m')" #set bold, and set green. - end="$(printf '\033[0m')" #returns to "normal" - fi - ${lib.optionalString verbose '' - echo -n "$start"Running "$end" - echo $@ - ''} - $@ - } - ''; - - configureCrate = import ./configure-crate.nix { inherit lib stdenv echo_build_heading noisily makeDeps; }; - buildCrate = import ./build-crate.nix { inherit lib stdenv echo_build_heading noisily makeDeps rust; }; - installCrate = import ./install-crate.nix; - - in + ) dependencies; + + inherit (import ./log.nix { inherit lib; }) noisily echo_build_heading; + + configureCrate = import ./configure-crate.nix { + inherit lib stdenv echo_build_heading noisily mkRustcDepArgs; + }; + + buildCrate = import ./build-crate.nix { + inherit lib stdenv echo_build_heading noisily mkRustcDepArgs rust; + }; + + installCrate = import ./install-crate.nix; +in crate_: lib.makeOverridable ({ rust, release, verbose, features, buildInputs, crateOverrides, dependencies, buildDependencies, crateRenames, @@ -81,6 +59,15 @@ let crate = crate_ // (lib.attrByPath [ crate_.crateName ] (attr: {}) crateOverr extraDerivationAttrs = lib.filterAttrs (n: v: ! lib.elem n processedAttrs) crate; buildInputs_ = buildInputs; extraRustcOpts_ = extraRustcOpts; + + # take a list of crates that we depend on and override them to fit our overrides, rustc, release, … + makeDependencies = map (dep: lib.getLib (dep.override { inherit release verbose crateOverrides; })); + + # crate2nix has a hack for the old bash based build script that did split + # entries at `,`. No we have to work around that hack. + # https://github.com/kolloch/crate2nix/blame/5b19c1b14e1b0e5522c3e44e300d0b332dc939e7/crate2nix/templates/build.nix.tera#L89 + crateBin = lib.filter (bin: !(bin ? name && bin.name == ",")) (crate.crateBin or []); + hasCrateBin = crate ? crateBin; in stdenv.mkDerivation (rec { @@ -94,42 +81,28 @@ stdenv.mkDerivation (rec { name = "rust_${crate.crateName}-${crate.version}"; depsBuildBuild = [ rust stdenv.cc ]; buildInputs = (crate.buildInputs or []) ++ buildInputs_; - dependencies = - builtins.map - (dep: lib.getLib (dep.override { rust = rust; release = release; verbose = verbose; crateOverrides = crateOverrides; })) - dependencies_; - - buildDependencies = - builtins.map - (dep: lib.getLib (dep.override { rust = rust; release = release; verbose = verbose; crateOverrides = crateOverrides; })) - buildDependencies_; - - completeDeps = lib.lists.unique (dependencies ++ lib.lists.concatMap (dep: dep.completeDeps) dependencies); - completeBuildDeps = lib.lists.unique ( + dependencies = makeDependencies dependencies_; + buildDependencies = makeDependencies buildDependencies_; + + completeDeps = lib.unique (dependencies ++ lib.concatMap (dep: dep.completeDeps) dependencies); + completeBuildDeps = lib.unique ( buildDependencies - ++ lib.lists.concatMap (dep: dep.completeBuildDeps ++ dep.completeDeps) buildDependencies + ++ lib.concatMap (dep: dep.completeBuildDeps ++ dep.completeDeps) buildDependencies ); - crateFeatures = if crate ? features then - lib.concatMapStringsSep " " (f: "--cfg feature=\\\"${f}\\\"") (crate.features ++ features) #" - else ""; + crateFeatures = lib.optionalString (crate ? features) + (lib.concatMapStringsSep " " (f: "--cfg feature=\\\"${f}\\\"") (crate.features ++ features)); libName = if crate ? libName then crate.libName else crate.crateName; libPath = if crate ? libPath then crate.libPath else ""; - depsMetadata = builtins.foldl' (str: dep: str + dep.metadata) "" (dependencies ++ buildDependencies); - metadata = builtins.substring 0 10 (builtins.hashString "sha256" (crateName + "-" + crateVersion + "___" + toString crateFeatures + "___" + depsMetadata )); - - crateBin = if crate ? crateBin then - builtins.foldl' (bins: bin: let - name = (if bin ? name then bin.name else crateName); - path = if bin ? path then bin.path else ""; - in - bins + (if bin == "" then "" else ",") + "${name} ${path}" - - ) "" crate.crateBin - else ""; - hasCrateBin = crate ? crateBin; + # Seed the symbol hashes with something unique every time. + # https://doc.rust-lang.org/1.0.0/rustc/metadata/loader/index.html#frobbing-symbols + metadata = let + depsMetadata = lib.foldl' (str: dep: str + dep.metadata) "" (dependencies ++ buildDependencies); + hashedMetadata = builtins.hashString "sha256" + (crateName + "-" + crateVersion + "___" + toString crateFeatures + "___" + depsMetadata); + in lib.substring 0 10 hashedMetadata; build = crate.build or ""; workspace_member = crate.workspace_member or "."; @@ -142,9 +115,12 @@ stdenv.mkDerivation (rec { if lib.attrByPath ["plugin"] false crate then ["dylib"] else (crate.type or ["lib"]); colors = lib.attrByPath [ "colors" ] "always" crate; - extraLinkFlags = builtins.concatStringsSep " " (crate.extraLinkFlags or []); + extraLinkFlags = lib.concatStringsSep " " (crate.extraLinkFlags or []); edition = crate.edition or null; - extraRustcOpts = (if crate ? extraRustcOpts then crate.extraRustcOpts else []) ++ extraRustcOpts_ ++ (lib.optional (edition != null) "--edition ${edition}"); + extraRustcOpts = + lib.optionals (crate ? extraRustcOpts) crate.extraRustcOpts + ++ extraRustcOpts_ + ++ (lib.optional (edition != null) "--edition ${edition}"); configurePhase = configureCrate { inherit crateName buildDependencies completeDeps completeBuildDeps crateDescription @@ -155,7 +131,7 @@ stdenv.mkDerivation (rec { buildPhase = buildCrate { inherit crateName dependencies crateFeatures crateRenames libName release libPath crateType - metadata crateBin hasCrateBin verbose colors + metadata hasCrateBin crateBin verbose colors extraRustcOpts; }; installPhase = installCrate crateName metadata; |