use of com.facebook.buck.model.Flavor in project buck by facebook.
the class PrebuiltCxxLibraryDescription method createBuildRule.
@Override
public <A extends Arg> BuildRule createBuildRule(TargetGraph targetGraph, final BuildRuleParams params, final BuildRuleResolver ruleResolver, final A args) throws NoSuchBuildTargetException {
// See if we're building a particular "type" of this library, and if so, extract
// it as an enum.
Optional<Map.Entry<Flavor, Type>> type = LIBRARY_TYPE.getFlavorAndValue(params.getBuildTarget());
Optional<Map.Entry<Flavor, CxxPlatform>> platform = cxxPlatforms.getFlavorAndValue(params.getBuildTarget());
Optional<ImmutableMap<BuildTarget, Version>> selectedVersions = targetGraph.get(params.getBuildTarget()).getSelectedVersions();
final Optional<String> versionSubdir = selectedVersions.isPresent() && args.versionedSubDir.isPresent() ? Optional.of(args.versionedSubDir.get().getOnlyMatchingValue(selectedVersions.get())) : Optional.empty();
// pre-existing static lib, which we do here.
if (type.isPresent()) {
Preconditions.checkState(platform.isPresent());
BuildTarget baseTarget = params.getBuildTarget().withoutFlavors(type.get().getKey(), platform.get().getKey());
if (type.get().getValue() == Type.EXPORTED_HEADERS) {
return createExportedHeaderSymlinkTreeBuildRule(params, ruleResolver, platform.get().getValue(), args);
} else if (type.get().getValue() == Type.SHARED) {
return createSharedLibraryBuildRule(params, ruleResolver, platform.get().getValue(), selectedVersions, args);
} else if (type.get().getValue() == Type.SHARED_INTERFACE) {
return createSharedLibraryInterface(baseTarget, params, ruleResolver, platform.get().getValue(), versionSubdir, args);
}
}
if (selectedVersions.isPresent() && args.versionedSubDir.isPresent()) {
ImmutableList<String> versionSubDirs = args.versionedSubDir.orElse(VersionMatchedCollection.<String>of()).getMatchingValues(selectedVersions.get());
if (versionSubDirs.size() != 1) {
throw new HumanReadableException("%s: could not get a single version sub dir: %s, %s, %s", params.getBuildTarget(), args.versionedSubDir, versionSubDirs, selectedVersions);
}
}
// Otherwise, we return the generic placeholder of this library, that dependents can use
// get the real build rules via querying the action graph.
final SourcePathResolver pathResolver = new SourcePathResolver(new SourcePathRuleFinder(ruleResolver));
final boolean headerOnly = args.headerOnly.orElse(false);
final boolean forceStatic = args.forceStatic.orElse(false);
return new PrebuiltCxxLibrary(params) {
private final Map<Pair<Flavor, Linker.LinkableDepType>, NativeLinkableInput> nativeLinkableCache = new HashMap<>();
private final LoadingCache<CxxPreprocessables.CxxPreprocessorInputCacheKey, ImmutableMap<BuildTarget, CxxPreprocessorInput>> transitiveCxxPreprocessorInputCache = CxxPreprocessables.getTransitiveCxxPreprocessorInputCache(this);
private boolean hasHeaders(CxxPlatform cxxPlatform) {
if (!args.exportedHeaders.isEmpty()) {
return true;
}
for (SourceList sourceList : args.exportedPlatformHeaders.getMatchingValues(cxxPlatform.getFlavor().toString())) {
if (!sourceList.isEmpty()) {
return true;
}
}
return false;
}
private ImmutableListMultimap<CxxSource.Type, String> getExportedPreprocessorFlags(CxxPlatform cxxPlatform) {
return CxxFlags.getLanguageFlags(args.exportedPreprocessorFlags, args.exportedPlatformPreprocessorFlags, args.exportedLangPreprocessorFlags, cxxPlatform);
}
@Override
public ImmutableList<String> getExportedLinkerFlags(CxxPlatform cxxPlatform) {
return CxxFlags.getFlagsWithPlatformMacroExpansion(args.exportedLinkerFlags, args.exportedPlatformLinkerFlags, cxxPlatform);
}
private String getSoname(CxxPlatform cxxPlatform) {
return PrebuiltCxxLibraryDescription.getSoname(getBuildTarget(), params.getCellRoots(), ruleResolver, cxxPlatform, args.soname, args.libName);
}
private boolean isPlatformSupported(CxxPlatform cxxPlatform) {
return !args.supportedPlatformsRegex.isPresent() || args.supportedPlatformsRegex.get().matcher(cxxPlatform.getFlavor().toString()).find();
}
/**
* Makes sure all build rules needed to produce the shared library are added to the action
* graph.
*
* @return the {@link SourcePath} representing the actual shared library.
*/
private SourcePath requireSharedLibrary(CxxPlatform cxxPlatform, boolean link) throws NoSuchBuildTargetException {
if (link && args.supportsSharedLibraryInterface && cxxPlatform.getSharedLibraryInterfaceFactory().isPresent()) {
BuildTarget target = params.getBuildTarget().withAppendedFlavors(cxxPlatform.getFlavor(), Type.SHARED_INTERFACE.getFlavor());
BuildRule rule = ruleResolver.requireRule(target);
return Preconditions.checkNotNull(rule.getSourcePathToOutput());
}
return PrebuiltCxxLibraryDescription.this.requireSharedLibrary(params.getBuildTarget(), ruleResolver, pathResolver, params.getCellRoots(), params.getProjectFilesystem(), cxxPlatform, versionSubdir, args);
}
/**
* @return the {@link Optional} containing a {@link SourcePath} representing the actual
* static PIC library.
*/
private Optional<SourcePath> getStaticPicLibrary(CxxPlatform cxxPlatform) {
SourcePath staticPicLibraryPath = PrebuiltCxxLibraryDescription.getStaticPicLibraryPath(getBuildTarget(), params.getCellRoots(), params.getProjectFilesystem(), ruleResolver, cxxPlatform, versionSubdir, args.libDir, args.libName);
if (params.getProjectFilesystem().exists(pathResolver.getAbsolutePath(staticPicLibraryPath))) {
return Optional.of(staticPicLibraryPath);
}
// If a specific static-pic variant isn't available, then just use the static variant.
SourcePath staticLibraryPath = PrebuiltCxxLibraryDescription.getStaticLibraryPath(getBuildTarget(), params.getCellRoots(), getProjectFilesystem(), ruleResolver, cxxPlatform, versionSubdir, args.libDir, args.libName);
if (params.getProjectFilesystem().exists(pathResolver.getAbsolutePath(staticLibraryPath))) {
return Optional.of(staticLibraryPath);
}
return Optional.empty();
}
@Override
public Iterable<? extends CxxPreprocessorDep> getCxxPreprocessorDeps(CxxPlatform cxxPlatform) {
if (!isPlatformSupported(cxxPlatform)) {
return ImmutableList.of();
}
return FluentIterable.from(getDeps()).filter(CxxPreprocessorDep.class);
}
@Override
public CxxPreprocessorInput getCxxPreprocessorInput(final CxxPlatform cxxPlatform, HeaderVisibility headerVisibility) throws NoSuchBuildTargetException {
CxxPreprocessorInput.Builder builder = CxxPreprocessorInput.builder();
switch(headerVisibility) {
case PUBLIC:
if (hasHeaders(cxxPlatform)) {
CxxPreprocessables.addHeaderSymlinkTree(builder, getBuildTarget(), ruleResolver, cxxPlatform, headerVisibility, CxxPreprocessables.IncludeType.SYSTEM);
}
builder.putAllPreprocessorFlags(Preconditions.checkNotNull(getExportedPreprocessorFlags(cxxPlatform)));
builder.addAllFrameworks(args.frameworks);
final Iterable<SourcePath> includePaths = args.includeDirs.stream().map(input -> PrebuiltCxxLibraryDescription.getApplicableSourcePath(params.getBuildTarget(), params.getCellRoots(), params.getProjectFilesystem(), ruleResolver, cxxPlatform, versionSubdir, input, Optional.empty())).collect(MoreCollectors.toImmutableList());
for (SourcePath includePath : includePaths) {
builder.addIncludes(CxxHeadersDir.of(CxxPreprocessables.IncludeType.SYSTEM, includePath));
}
return builder.build();
case PRIVATE:
return builder.build();
}
// want the compiler to warn if someone modifies the HeaderVisibility enum.
throw new RuntimeException("Invalid header visibility: " + headerVisibility);
}
@Override
public Optional<HeaderSymlinkTree> getExportedHeaderSymlinkTree(CxxPlatform cxxPlatform) {
if (hasHeaders(cxxPlatform)) {
return Optional.of(CxxPreprocessables.requireHeaderSymlinkTreeForLibraryTarget(ruleResolver, getBuildTarget(), cxxPlatform.getFlavor()));
} else {
return Optional.empty();
}
}
@Override
public ImmutableMap<BuildTarget, CxxPreprocessorInput> getTransitiveCxxPreprocessorInput(CxxPlatform cxxPlatform, HeaderVisibility headerVisibility) throws NoSuchBuildTargetException {
return transitiveCxxPreprocessorInputCache.getUnchecked(ImmutableCxxPreprocessorInputCacheKey.of(cxxPlatform, headerVisibility));
}
@Override
public Iterable<NativeLinkable> getNativeLinkableDeps() {
return getDeclaredDeps().stream().filter(r -> r instanceof NativeLinkable).map(r -> (NativeLinkable) r).collect(MoreCollectors.toImmutableList());
}
@Override
public Iterable<NativeLinkable> getNativeLinkableDepsForPlatform(CxxPlatform cxxPlatform) {
if (!isPlatformSupported(cxxPlatform)) {
return ImmutableList.of();
}
return getNativeLinkableDeps();
}
@Override
public Iterable<? extends NativeLinkable> getNativeLinkableExportedDeps() {
return args.exportedDeps.stream().map(ruleResolver::getRule).filter(r -> r instanceof NativeLinkable).map(r -> (NativeLinkable) r).collect(MoreCollectors.toImmutableList());
}
@Override
public Iterable<? extends NativeLinkable> getNativeLinkableExportedDepsForPlatform(CxxPlatform cxxPlatform) {
if (!isPlatformSupported(cxxPlatform)) {
return ImmutableList.of();
}
return getNativeLinkableExportedDeps();
}
private NativeLinkableInput getNativeLinkableInputUncached(CxxPlatform cxxPlatform, Linker.LinkableDepType type) throws NoSuchBuildTargetException {
if (!isPlatformSupported(cxxPlatform)) {
return NativeLinkableInput.of();
}
// Build the library path and linker arguments that we pass through the
// {@link NativeLinkable} interface for linking.
ImmutableList.Builder<com.facebook.buck.rules.args.Arg> linkerArgsBuilder = ImmutableList.builder();
linkerArgsBuilder.addAll(StringArg.from(Preconditions.checkNotNull(getExportedLinkerFlags(cxxPlatform))));
if (!headerOnly) {
if (type == Linker.LinkableDepType.SHARED) {
Preconditions.checkState(getPreferredLinkage(cxxPlatform) != Linkage.STATIC);
final SourcePath sharedLibrary = requireSharedLibrary(cxxPlatform, true);
if (args.linkWithoutSoname) {
if (!(sharedLibrary instanceof PathSourcePath)) {
throw new HumanReadableException("%s: can only link prebuilt DSOs without sonames", getBuildTarget());
}
linkerArgsBuilder.add(new RelativeLinkArg((PathSourcePath) sharedLibrary));
} else {
linkerArgsBuilder.add(SourcePathArg.of(requireSharedLibrary(cxxPlatform, true)));
}
} else {
Preconditions.checkState(getPreferredLinkage(cxxPlatform) != Linkage.SHARED);
SourcePath staticLibraryPath = type == Linker.LinkableDepType.STATIC_PIC ? getStaticPicLibrary(cxxPlatform).get() : PrebuiltCxxLibraryDescription.getStaticLibraryPath(getBuildTarget(), params.getCellRoots(), params.getProjectFilesystem(), ruleResolver, cxxPlatform, versionSubdir, args.libDir, args.libName);
SourcePathArg staticLibrary = SourcePathArg.of(staticLibraryPath);
if (args.linkWhole) {
Linker linker = cxxPlatform.getLd().resolve(ruleResolver);
linkerArgsBuilder.addAll(linker.linkWhole(staticLibrary));
} else {
linkerArgsBuilder.add(FileListableLinkerInputArg.withSourcePathArg(staticLibrary));
}
}
}
final ImmutableList<com.facebook.buck.rules.args.Arg> linkerArgs = linkerArgsBuilder.build();
return NativeLinkableInput.of(linkerArgs, args.frameworks, args.libraries);
}
@Override
public NativeLinkableInput getNativeLinkableInput(CxxPlatform cxxPlatform, Linker.LinkableDepType type) throws NoSuchBuildTargetException {
Pair<Flavor, Linker.LinkableDepType> key = new Pair<>(cxxPlatform.getFlavor(), type);
NativeLinkableInput input = nativeLinkableCache.get(key);
if (input == null) {
input = getNativeLinkableInputUncached(cxxPlatform, type);
nativeLinkableCache.put(key, input);
}
return input;
}
@Override
public NativeLinkable.Linkage getPreferredLinkage(CxxPlatform cxxPlatform) {
if (headerOnly) {
return Linkage.ANY;
}
if (forceStatic) {
return Linkage.STATIC;
}
if (args.provided || !getStaticPicLibrary(cxxPlatform).isPresent()) {
return Linkage.SHARED;
}
return Linkage.ANY;
}
@Override
public Iterable<AndroidPackageable> getRequiredPackageables() {
return AndroidPackageableCollector.getPackageableRules(params.getDeps());
}
@Override
public void addToCollector(AndroidPackageableCollector collector) {
if (args.canBeAsset) {
collector.addNativeLinkableAsset(this);
} else {
collector.addNativeLinkable(this);
}
}
@Override
public ImmutableMap<String, SourcePath> getSharedLibraries(CxxPlatform cxxPlatform) throws NoSuchBuildTargetException {
if (!isPlatformSupported(cxxPlatform)) {
return ImmutableMap.of();
}
String resolvedSoname = getSoname(cxxPlatform);
ImmutableMap.Builder<String, SourcePath> solibs = ImmutableMap.builder();
if (!headerOnly && !args.provided) {
SourcePath sharedLibrary = requireSharedLibrary(cxxPlatform, false);
solibs.put(resolvedSoname, sharedLibrary);
}
return solibs.build();
}
@Override
public Optional<NativeLinkTarget> getNativeLinkTarget(CxxPlatform cxxPlatform) {
if (getPreferredLinkage(cxxPlatform) == Linkage.SHARED) {
return Optional.empty();
}
return Optional.of(new NativeLinkTarget() {
@Override
public BuildTarget getBuildTarget() {
return params.getBuildTarget();
}
@Override
public NativeLinkTargetMode getNativeLinkTargetMode(CxxPlatform cxxPlatform) {
return NativeLinkTargetMode.library(getSoname(cxxPlatform));
}
@Override
public Iterable<? extends NativeLinkable> getNativeLinkTargetDeps(CxxPlatform cxxPlatform) {
return Iterables.concat(getNativeLinkableDepsForPlatform(cxxPlatform), getNativeLinkableExportedDepsForPlatform(cxxPlatform));
}
@Override
public NativeLinkableInput getNativeLinkTargetInput(CxxPlatform cxxPlatform) throws NoSuchBuildTargetException {
return NativeLinkableInput.builder().addAllArgs(StringArg.from(getExportedLinkerFlags(cxxPlatform))).addAllArgs(cxxPlatform.getLd().resolve(ruleResolver).linkWhole(SourcePathArg.of(getStaticPicLibrary(cxxPlatform).get()))).build();
}
@Override
public Optional<Path> getNativeLinkTargetOutputPath(CxxPlatform cxxPlatform) {
return Optional.empty();
}
});
}
};
}
use of com.facebook.buck.model.Flavor in project buck by facebook.
the class AppleTestDescription method createBuildRule.
@Override
public <A extends Arg> BuildRule createBuildRule(TargetGraph targetGraph, BuildRuleParams params, BuildRuleResolver resolver, A args) throws NoSuchBuildTargetException {
AppleDebugFormat debugFormat = AppleDebugFormat.FLAVOR_DOMAIN.getValue(params.getBuildTarget()).orElse(appleConfig.getDefaultDebugInfoFormatForTests());
if (params.getBuildTarget().getFlavors().contains(debugFormat.getFlavor())) {
params = params.withoutFlavor(debugFormat.getFlavor());
}
boolean createBundle = Sets.intersection(params.getBuildTarget().getFlavors(), AUXILIARY_LIBRARY_FLAVORS).isEmpty();
// Flavors pertaining to the library targets that are generated.
Sets.SetView<Flavor> libraryFlavors = Sets.difference(params.getBuildTarget().getFlavors(), AUXILIARY_LIBRARY_FLAVORS);
boolean addDefaultPlatform = libraryFlavors.isEmpty();
ImmutableSet.Builder<Flavor> extraFlavorsBuilder = ImmutableSet.builder();
if (createBundle) {
extraFlavorsBuilder.add(LIBRARY_FLAVOR, CxxDescriptionEnhancer.MACH_O_BUNDLE_FLAVOR);
}
extraFlavorsBuilder.add(debugFormat.getFlavor());
if (addDefaultPlatform) {
extraFlavorsBuilder.add(defaultCxxPlatform.getFlavor());
}
Optional<MultiarchFileInfo> multiarchFileInfo = MultiarchFileInfos.create(appleCxxPlatformFlavorDomain, params.getBuildTarget());
AppleCxxPlatform appleCxxPlatform;
ImmutableList<CxxPlatform> cxxPlatforms;
if (multiarchFileInfo.isPresent()) {
ImmutableList.Builder<CxxPlatform> cxxPlatformBuilder = ImmutableList.builder();
for (BuildTarget thinTarget : multiarchFileInfo.get().getThinTargets()) {
cxxPlatformBuilder.add(cxxPlatformFlavorDomain.getValue(thinTarget).get());
}
cxxPlatforms = cxxPlatformBuilder.build();
appleCxxPlatform = multiarchFileInfo.get().getRepresentativePlatform();
} else {
CxxPlatform cxxPlatform = cxxPlatformFlavorDomain.getValue(params.getBuildTarget()).orElse(defaultCxxPlatform);
cxxPlatforms = ImmutableList.of(cxxPlatform);
try {
appleCxxPlatform = appleCxxPlatformFlavorDomain.getValue(cxxPlatform.getFlavor());
} catch (FlavorDomainException e) {
throw new HumanReadableException(e, "%s: Apple test requires an Apple platform, found '%s'", params.getBuildTarget(), cxxPlatform.getFlavor().getName());
}
}
Optional<TestHostInfo> testHostInfo;
if (args.testHostApp.isPresent()) {
testHostInfo = Optional.of(createTestHostInfo(params, resolver, args.testHostApp.get(), debugFormat, libraryFlavors, cxxPlatforms));
} else {
testHostInfo = Optional.empty();
}
BuildTarget libraryTarget = params.getBuildTarget().withAppendedFlavors(extraFlavorsBuilder.build()).withAppendedFlavors(debugFormat.getFlavor()).withAppendedFlavors(LinkerMapMode.NO_LINKER_MAP.getFlavor());
BuildRule library = createTestLibraryRule(targetGraph, params, resolver, args, testHostInfo.map(TestHostInfo::getTestHostAppBinarySourcePath), testHostInfo.map(TestHostInfo::getBlacklist).orElse(ImmutableSet.of()), libraryTarget);
if (!createBundle || SwiftLibraryDescription.isSwiftTarget(libraryTarget)) {
return library;
}
String platformName = appleCxxPlatform.getAppleSdk().getApplePlatform().getName();
AppleBundle bundle = AppleDescriptions.createAppleBundle(cxxPlatformFlavorDomain, defaultCxxPlatform, appleCxxPlatformFlavorDomain, targetGraph, params.withBuildTarget(params.getBuildTarget().withAppendedFlavors(BUNDLE_FLAVOR, debugFormat.getFlavor(), LinkerMapMode.NO_LINKER_MAP.getFlavor(), AppleDescriptions.NO_INCLUDE_FRAMEWORKS_FLAVOR)).copyReplacingDeclaredAndExtraDeps(Suppliers.ofInstance(ImmutableSortedSet.<BuildRule>naturalOrder().add(library).addAll(params.getDeclaredDeps().get()).build()), params.getExtraDeps()), resolver, codeSignIdentityStore, provisioningProfileStore, library.getBuildTarget(), args.getExtension(), Optional.empty(), args.infoPlist, args.infoPlistSubstitutions, args.deps, args.tests, debugFormat, appleConfig.useDryRunCodeSigning(), appleConfig.cacheBundlesAndPackages());
resolver.addToIndex(bundle);
Optional<SourcePath> xctool = getXctool(params, resolver);
SourcePathRuleFinder ruleFinder = new SourcePathRuleFinder(resolver);
return new AppleTest(xctool, appleConfig.getXctoolStutterTimeoutMs(), appleCxxPlatform.getXctest(), appleConfig.getXctestPlatformNames().contains(platformName), platformName, appleConfig.getXctoolDefaultDestinationSpecifier(), Optional.of(args.destinationSpecifier), params.copyReplacingDeclaredAndExtraDeps(Suppliers.ofInstance(ImmutableSortedSet.of(bundle)), Suppliers.ofInstance(ImmutableSortedSet.of())), bundle, testHostInfo.map(TestHostInfo::getTestHostApp), args.contacts, args.labels, args.getRunTestSeparately(), xcodeDeveloperDirectorySupplier, appleConfig.getTestLogDirectoryEnvironmentVariable(), appleConfig.getTestLogLevelEnvironmentVariable(), appleConfig.getTestLogLevel(), args.testRuleTimeoutMs.map(Optional::of).orElse(defaultTestRuleTimeoutMs), args.isUiTest(), args.snapshotReferenceImagesPath, ruleFinder);
}
use of com.facebook.buck.model.Flavor in project buck by facebook.
the class PrebuiltAppleFramework method getNativeLinkableInput.
@Override
public NativeLinkableInput getNativeLinkableInput(CxxPlatform cxxPlatform, Linker.LinkableDepType type) throws NoSuchBuildTargetException {
Pair<Flavor, Linker.LinkableDepType> key = new Pair<>(cxxPlatform.getFlavor(), type);
NativeLinkableInput input = nativeLinkableCache.get(key);
if (input == null) {
input = getNativeLinkableInputUncached(cxxPlatform, type);
nativeLinkableCache.put(key, input);
}
return input;
}
use of com.facebook.buck.model.Flavor in project buck by facebook.
the class AppleBinaryIntegrationTest method testBuildingWithDwarfProducesAllCompileRulesOnDisk.
@Test
public void testBuildingWithDwarfProducesAllCompileRulesOnDisk() throws Exception {
assumeTrue(Platform.detect() == Platform.MACOS);
ProjectWorkspace workspace = TestDataHelper.createProjectWorkspaceForScenario(this, "simple_application_bundle_dwarf_and_dsym", tmp);
workspace.setUp();
workspace.enableDirCache();
Flavor platformFlavor = InternalFlavor.of("iphonesimulator-x86_64");
BuildTarget target = BuildTargetFactory.newInstance("//:DemoApp").withAppendedFlavors(AppleDebugFormat.DWARF.getFlavor());
BuildTarget binaryTarget = BuildTargetFactory.newInstance("//:DemoAppBinary").withAppendedFlavors(platformFlavor, AppleDescriptions.NO_INCLUDE_FRAMEWORKS_FLAVOR);
workspace.runBuckCommand("build", target.getFullyQualifiedName()).assertSuccess();
workspace.runBuckCommand("clean").assertSuccess();
workspace.runBuckCommand("build", target.getFullyQualifiedName()).assertSuccess();
BuildTarget appTarget = target.withFlavors(AppleDebugFormat.DWARF.getFlavor(), AppleDescriptions.NO_INCLUDE_FRAMEWORKS_FLAVOR);
Path binaryOutput = workspace.getPath(BuildTargets.getGenPath(filesystem, appTarget, "%s").resolve(target.getShortName() + ".app").resolve(target.getShortName()));
Path delegateFileOutput = workspace.getPath(BuildTargets.getGenPath(filesystem, binaryTarget.withFlavors(platformFlavor, InternalFlavor.of("compile-" + sanitize("AppDelegate.m.o"))), "%s").resolve("AppDelegate.m.o"));
Path mainFileOutput = workspace.getPath(BuildTargets.getGenPath(filesystem, binaryTarget.withFlavors(platformFlavor, InternalFlavor.of("compile-" + sanitize("main.m.o"))), "%s").resolve("main.m.o"));
assertThat(Files.exists(binaryOutput), equalTo(true));
assertThat(Files.exists(delegateFileOutput), equalTo(true));
assertThat(Files.exists(mainFileOutput), equalTo(true));
}
use of com.facebook.buck.model.Flavor in project buck by facebook.
the class HalideLibraryBuilder method createDefaultPlatforms.
// The #halide-compiler version of the HalideLibrary rule expects to be able
// to find a CxxFlavor to use when building for the host architecture.
// AbstractCxxBuilder doesn't create the default host flavor, so we "override"
// the createDefaultPlatforms() method here.
public static FlavorDomain<CxxPlatform> createDefaultPlatforms() {
Flavor hostFlavor = CxxPlatforms.getHostFlavor();
CxxPlatform hostCxxPlatform = CxxPlatform.builder().from(CxxPlatformUtils.DEFAULT_PLATFORM).setFlavor(hostFlavor).build();
CxxPlatform defaultCxxPlatform = createDefaultPlatform();
return new FlavorDomain<>("C/C++ Platform", ImmutableMap.<Flavor, CxxPlatform>builder().put(defaultCxxPlatform.getFlavor(), defaultCxxPlatform).put(hostCxxPlatform.getFlavor(), hostCxxPlatform).build());
}
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