Examples with SymlinkTree com.facebook.buck.rules.SymlinkTree used on opensource projects

Example 21 with SymlinkTree

use of com.facebook.buck.rules.SymlinkTree in project buck by facebook.

the class RustCompileUtils method createBinaryBuildRule.

public static BinaryWrapperRule createBinaryBuildRule(BuildRuleParams params, BuildRuleResolver resolver, RustBuckConfig rustBuckConfig, FlavorDomain<CxxPlatform> cxxPlatforms, CxxPlatform defaultCxxPlatform, Optional<String> crateName, ImmutableSortedSet<String> features, Iterator<String> rustcFlags, Iterator<String> linkerFlags, Linker.LinkableDepType linkStyle, boolean rpath, ImmutableSortedSet<SourcePath> srcs, Optional<SourcePath> crateRoot, ImmutableSet<String> defaultRoots) throws NoSuchBuildTargetException {
    final BuildTarget buildTarget = params.getBuildTarget();
    SourcePathRuleFinder ruleFinder = new SourcePathRuleFinder(resolver);
    SourcePathResolver pathResolver = new SourcePathResolver(ruleFinder);
    ImmutableList.Builder<String> rustcArgs = ImmutableList.builder();
    RustCompileUtils.addFeatures(buildTarget, features, rustcArgs);
    rustcArgs.addAll(rustcFlags);
    ImmutableList.Builder<String> linkerArgs = ImmutableList.builder();
    linkerArgs.addAll(linkerFlags);
    String crate = crateName.orElse(ruleToCrateName(buildTarget.getShortName()));
    CxxPlatform cxxPlatform = cxxPlatforms.getValue(params.getBuildTarget()).orElse(defaultCxxPlatform);
    Pair<SourcePath, ImmutableSortedSet<SourcePath>> rootModuleAndSources = getRootModuleAndSources(params.getBuildTarget(), resolver, pathResolver, ruleFinder, cxxPlatform, crate, crateRoot, defaultRoots, srcs);
    // The target to use for the link rule.
    BuildTarget binaryTarget = params.getBuildTarget().withAppendedFlavors(cxxPlatform.getFlavor(), RustDescriptionEnhancer.RFBIN);
    CommandTool.Builder executableBuilder = new CommandTool.Builder();
    // Special handling for dynamically linked binaries.
    if (linkStyle == Linker.LinkableDepType.SHARED) {
        // Create a symlink tree with for all native shared (NativeLinkable) libraries
        // needed by this binary.
        SymlinkTree sharedLibraries = resolver.addToIndex(CxxDescriptionEnhancer.createSharedLibrarySymlinkTree(ruleFinder, params.getBuildTarget(), params.getProjectFilesystem(), cxxPlatform, params.getDeps(), RustLinkable.class::isInstance, RustLinkable.class::isInstance));
        // Embed a origin-relative library path into the binary so it can find the shared libraries.
        // The shared libraries root is absolute. Also need an absolute path to the linkOutput
        Path absBinaryDir = params.getBuildTarget().getCellPath().resolve(RustCompileRule.getOutputDir(binaryTarget, params.getProjectFilesystem()));
        linkerArgs.addAll(Linkers.iXlinker("-rpath", String.format("%s/%s", cxxPlatform.getLd().resolve(resolver).origin(), absBinaryDir.relativize(sharedLibraries.getRoot()).toString())));
        // Add all the shared libraries and the symlink tree as inputs to the tool that represents
        // this binary, so that users can attach the proper deps.
        executableBuilder.addDep(sharedLibraries);
        executableBuilder.addInputs(sharedLibraries.getLinks().values());
        // Also add Rust shared libraries as runtime deps. We don't need these in the symlink tree
        // because rustc will include their dirs in rpath by default.
        Map<String, SourcePath> rustSharedLibraries = getTransitiveRustSharedLibraries(cxxPlatform, params.getDeps());
        executableBuilder.addInputs(rustSharedLibraries.values());
    }
    final RustCompileRule buildRule = RustCompileUtils.createBuild(binaryTarget, crate, params, resolver, pathResolver, ruleFinder, cxxPlatform, rustBuckConfig, rustcArgs.build(), linkerArgs.build(), /* linkerInputs */
    ImmutableList.of(), CrateType.BIN, linkStyle, rpath, rootModuleAndSources.getSecond(), rootModuleAndSources.getFirst());
    // Add the binary as the first argument.
    executableBuilder.addArg(SourcePathArg.of(buildRule.getSourcePathToOutput()));
    final CommandTool executable = executableBuilder.build();
    return new BinaryWrapperRule(params.copyAppendingExtraDeps(buildRule), ruleFinder) {

        @Override
        public Tool getExecutableCommand() {
            return executable;
        }

        @Override
        public SourcePath getSourcePathToOutput() {
            return new ForwardingBuildTargetSourcePath(getBuildTarget(), buildRule.getSourcePathToOutput());
        }
    };
}