use of com.google.devtools.build.lib.analysis.LicensesProvider.TargetLicense in project bazel by bazelbuild.
the class CcToolchain method create.
@Override
public ConfiguredTarget create(RuleContext ruleContext) throws RuleErrorException, InterruptedException {
TransitiveInfoCollection lipoContextCollector = ruleContext.getPrerequisite(":lipo_context_collector", Mode.DONT_CHECK);
if (lipoContextCollector != null && lipoContextCollector.getProvider(LipoContextProvider.class) == null) {
ruleContext.ruleError("--lipo_context must point to a cc_binary or a cc_test rule");
return null;
}
CppConfiguration cppConfiguration = Preconditions.checkNotNull(ruleContext.getFragment(CppConfiguration.class));
Path fdoZip = ruleContext.getConfiguration().getCompilationMode() == CompilationMode.OPT ? cppConfiguration.getFdoZip() : null;
SkyKey fdoKey = FdoSupportValue.key(cppConfiguration.getLipoMode(), fdoZip, cppConfiguration.getFdoInstrument());
SkyFunction.Environment skyframeEnv = ruleContext.getAnalysisEnvironment().getSkyframeEnv();
FdoSupportValue fdoSupport;
try {
fdoSupport = (FdoSupportValue) skyframeEnv.getValueOrThrow(fdoKey, FdoException.class, IOException.class);
} catch (FdoException | IOException e) {
ruleContext.ruleError("cannot initialize FDO: " + e.getMessage());
return null;
}
if (skyframeEnv.valuesMissing()) {
return null;
}
final Label label = ruleContext.getLabel();
final NestedSet<Artifact> crosstool = ruleContext.getPrerequisite("all_files", Mode.HOST).getProvider(FileProvider.class).getFilesToBuild();
final NestedSet<Artifact> crosstoolMiddleman = getFiles(ruleContext, "all_files");
final NestedSet<Artifact> compile = getFiles(ruleContext, "compiler_files");
final NestedSet<Artifact> strip = getFiles(ruleContext, "strip_files");
final NestedSet<Artifact> objcopy = getFiles(ruleContext, "objcopy_files");
final NestedSet<Artifact> link = getFiles(ruleContext, "linker_files");
final NestedSet<Artifact> dwp = getFiles(ruleContext, "dwp_files");
final NestedSet<Artifact> libcLink = inputsForLibc(ruleContext);
String purposePrefix = Actions.escapeLabel(label) + "_";
String runtimeSolibDirBase = "_solib_" + "_" + Actions.escapeLabel(label);
final PathFragment runtimeSolibDir = ruleContext.getConfiguration().getBinFragment().getRelative(runtimeSolibDirBase);
// Static runtime inputs.
TransitiveInfoCollection staticRuntimeLibDep = selectDep(ruleContext, "static_runtime_libs", cppConfiguration.getStaticRuntimeLibsLabel());
final NestedSet<Artifact> staticRuntimeLinkInputs;
final Artifact staticRuntimeLinkMiddleman;
if (cppConfiguration.supportsEmbeddedRuntimes()) {
staticRuntimeLinkInputs = staticRuntimeLibDep.getProvider(FileProvider.class).getFilesToBuild();
} else {
staticRuntimeLinkInputs = NestedSetBuilder.emptySet(Order.STABLE_ORDER);
}
if (!staticRuntimeLinkInputs.isEmpty()) {
NestedSet<Artifact> staticRuntimeLinkMiddlemanSet = CompilationHelper.getAggregatingMiddleman(ruleContext, purposePrefix + "static_runtime_link", staticRuntimeLibDep);
staticRuntimeLinkMiddleman = staticRuntimeLinkMiddlemanSet.isEmpty() ? null : Iterables.getOnlyElement(staticRuntimeLinkMiddlemanSet);
} else {
staticRuntimeLinkMiddleman = null;
}
Preconditions.checkState((staticRuntimeLinkMiddleman == null) == staticRuntimeLinkInputs.isEmpty());
// Dynamic runtime inputs.
TransitiveInfoCollection dynamicRuntimeLibDep = selectDep(ruleContext, "dynamic_runtime_libs", cppConfiguration.getDynamicRuntimeLibsLabel());
NestedSet<Artifact> dynamicRuntimeLinkSymlinks;
List<Artifact> dynamicRuntimeLinkInputs = new ArrayList<>();
Artifact dynamicRuntimeLinkMiddleman;
if (cppConfiguration.supportsEmbeddedRuntimes()) {
NestedSetBuilder<Artifact> dynamicRuntimeLinkSymlinksBuilder = NestedSetBuilder.stableOrder();
for (Artifact artifact : dynamicRuntimeLibDep.getProvider(FileProvider.class).getFilesToBuild()) {
if (CppHelper.SHARED_LIBRARY_FILETYPES.matches(artifact.getFilename())) {
dynamicRuntimeLinkInputs.add(artifact);
dynamicRuntimeLinkSymlinksBuilder.add(SolibSymlinkAction.getCppRuntimeSymlink(ruleContext, artifact, runtimeSolibDirBase, ruleContext.getConfiguration()));
}
}
dynamicRuntimeLinkSymlinks = dynamicRuntimeLinkSymlinksBuilder.build();
} else {
dynamicRuntimeLinkSymlinks = NestedSetBuilder.emptySet(Order.STABLE_ORDER);
}
if (!dynamicRuntimeLinkInputs.isEmpty()) {
List<Artifact> dynamicRuntimeLinkMiddlemanSet = CppHelper.getAggregatingMiddlemanForCppRuntimes(ruleContext, purposePrefix + "dynamic_runtime_link", dynamicRuntimeLinkInputs, runtimeSolibDirBase, ruleContext.getConfiguration());
dynamicRuntimeLinkMiddleman = dynamicRuntimeLinkMiddlemanSet.isEmpty() ? null : Iterables.getOnlyElement(dynamicRuntimeLinkMiddlemanSet);
} else {
dynamicRuntimeLinkMiddleman = null;
}
Preconditions.checkState((dynamicRuntimeLinkMiddleman == null) == dynamicRuntimeLinkSymlinks.isEmpty());
CppCompilationContext.Builder contextBuilder = new CppCompilationContext.Builder(ruleContext);
CppModuleMap moduleMap = createCrosstoolModuleMap(ruleContext);
if (moduleMap != null) {
contextBuilder.setCppModuleMap(moduleMap);
}
final CppCompilationContext context = contextBuilder.build();
boolean supportsParamFiles = ruleContext.attributes().get("supports_param_files", BOOLEAN);
boolean supportsHeaderParsing = ruleContext.attributes().get("supports_header_parsing", BOOLEAN);
NestedSetBuilder<Pair<String, String>> coverageEnvironment = NestedSetBuilder.compileOrder();
coverageEnvironment.add(Pair.of("COVERAGE_GCOV_PATH", cppConfiguration.getGcovExecutable().getPathString()));
if (cppConfiguration.getFdoInstrument() != null) {
coverageEnvironment.add(Pair.of("FDO_DIR", cppConfiguration.getFdoInstrument().getPathString()));
}
CcToolchainProvider provider = new CcToolchainProvider(cppConfiguration, crosstool, fullInputsForCrosstool(ruleContext, crosstoolMiddleman), compile, strip, objcopy, fullInputsForLink(ruleContext, link), ruleContext.getPrerequisiteArtifact("$interface_library_builder", Mode.HOST), dwp, libcLink, staticRuntimeLinkInputs, staticRuntimeLinkMiddleman, dynamicRuntimeLinkSymlinks, dynamicRuntimeLinkMiddleman, runtimeSolibDir, context, supportsParamFiles, supportsHeaderParsing, getBuildVariables(ruleContext), getBuiltinIncludes(ruleContext), coverageEnvironment.build(), ruleContext.getPrerequisiteArtifact("$link_dynamic_library_tool", Mode.HOST), getEnvironment(ruleContext));
RuleConfiguredTargetBuilder builder = new RuleConfiguredTargetBuilder(ruleContext).add(CcToolchainProvider.class, provider).add(FdoSupportProvider.class, fdoSupport.getFdoSupport().createFdoSupportProvider(ruleContext)).setFilesToBuild(new NestedSetBuilder<Artifact>(Order.STABLE_ORDER).build()).add(RunfilesProvider.class, RunfilesProvider.simple(Runfiles.EMPTY));
// If output_license is specified on the cc_toolchain rule, override the transitive licenses
// with that one. This is necessary because cc_toolchain is used in the target configuration,
// but it is sort-of-kind-of a tool, but various parts of it are linked into the output...
// ...so we trust the judgment of the author of the cc_toolchain rule to figure out what
// licenses should be propagated to C++ targets.
// TODO(elenairina): Remove this and use Attribute.Builder.useOutputLicenses() on the
// :cc_toolchain attribute instead.
final License outputLicense = ruleContext.getRule().getToolOutputLicense(ruleContext.attributes());
if (outputLicense != null && outputLicense != License.NO_LICENSE) {
final NestedSet<TargetLicense> license = NestedSetBuilder.create(Order.STABLE_ORDER, new TargetLicense(ruleContext.getLabel(), outputLicense));
LicensesProvider licensesProvider = new LicensesProvider() {
@Override
public NestedSet<TargetLicense> getTransitiveLicenses() {
return license;
}
@Override
public TargetLicense getOutputLicenses() {
return new TargetLicense(label, outputLicense);
}
@Override
public boolean hasOutputLicenses() {
return true;
}
};
builder.add(LicensesProvider.class, licensesProvider);
}
return builder.build();
}
use of com.google.devtools.build.lib.analysis.LicensesProvider.TargetLicense in project bazel by bazelbuild.
the class LicensingTests method testTargetLicenseEquality.
@Test
public void testTargetLicenseEquality() throws Exception {
Label label1 = Label.parseAbsolute("//foo");
Label label2 = Label.parseAbsolute("//bar");
License restricted = License.parseLicense(ImmutableList.of("restricted"));
License unencumbered = License.parseLicense(ImmutableList.of("unencumbered"));
new EqualsTester().addEqualityGroup(new TargetLicense(label1, restricted), new TargetLicense(label1, restricted)).addEqualityGroup(new TargetLicense(label2, restricted), new TargetLicense(label2, restricted)).addEqualityGroup(new TargetLicense(label2, unencumbered), new TargetLicense(label2, unencumbered)).testEquals();
}
use of com.google.devtools.build.lib.analysis.LicensesProvider.TargetLicense in project bazel by bazelbuild.
the class BuildTool method validateLicensingForTargets.
/**
* Takes a set of configured targets, and checks if the distribution methods
* declared for the targets are compatible with the constraints imposed by
* their prerequisites' licenses.
*
* @param configuredTargets the targets to check
* @param keepGoing if false, and a licensing error is encountered, both
* generates an error message on the reporter, <em>and</em> throws an
* exception. If true, then just generates a message on the reporter.
* @throws ViewCreationFailedException if the license checking failed (and not
* --keep_going)
*/
private void validateLicensingForTargets(Iterable<ConfiguredTarget> configuredTargets, boolean keepGoing) throws ViewCreationFailedException {
for (ConfiguredTarget configuredTarget : configuredTargets) {
final Target target = configuredTarget.getTarget();
if (TargetUtils.isTestRule(target)) {
// Tests are exempt from license checking
continue;
}
final Set<DistributionType> distribs = target.getDistributions();
StaticallyLinkedMarkerProvider markerProvider = configuredTarget.getProvider(StaticallyLinkedMarkerProvider.class);
boolean staticallyLinked = markerProvider != null && markerProvider.isLinkedStatically();
LicensesProvider provider = configuredTarget.getProvider(LicensesProvider.class);
if (provider != null) {
NestedSet<TargetLicense> licenses = provider.getTransitiveLicenses();
for (TargetLicense targetLicense : licenses) {
if (!targetLicense.getLicense().checkCompatibility(distribs, target, targetLicense.getLabel(), getReporter(), staticallyLinked)) {
if (!keepGoing) {
throw new ViewCreationFailedException("Build aborted due to licensing error");
}
}
}
} else if (configuredTarget.getTarget() instanceof InputFile) {
// Input file targets do not provide licenses because they do not
// depend on the rule where their license is taken from. This is usually
// not a problem, because the transitive collection of licenses always
// hits the rule they come from, except when the input file is a
// top-level target. Thus, we need to handle that case specially here.
//
// See FileTarget#getLicense for more information about the handling of
// license issues with File targets.
License license = configuredTarget.getTarget().getLicense();
if (!license.checkCompatibility(distribs, target, configuredTarget.getLabel(), getReporter(), staticallyLinked)) {
if (!keepGoing) {
throw new ViewCreationFailedException("Build aborted due to licensing error");
}
}
}
}
}
use of com.google.devtools.build.lib.analysis.LicensesProvider.TargetLicense in project bazel by bazelbuild.
the class LicensingTests method getTransitiveLicenses.
/**
* Gets the licenses of all targets that are in the transitive closure of a
* target. The result includes this target itself.
*
* @return a map from target labels to licenses
*/
protected static Map<Label, License> getTransitiveLicenses(ConfiguredTarget target) {
final ImmutableMap.Builder<Label, License> result = ImmutableMap.builder();
LicensesProvider provider = target.getProvider(LicensesProvider.class);
if (provider != null) {
for (TargetLicense targetLicense : provider.getTransitiveLicenses()) {
result.put(targetLicense.getLabel(), targetLicense.getLicense());
}
}
return result.build();
}
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