diff options
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/rules/objc/IosSdkCommands.java')
| -rw-r--r-- | src/main/java/com/google/devtools/build/lib/rules/objc/IosSdkCommands.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/IosSdkCommands.java b/src/main/java/com/google/devtools/build/lib/rules/objc/IosSdkCommands.java new file mode 100644 index 0000000000..0a9fb7b6a6 --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/rules/objc/IosSdkCommands.java @@ -0,0 +1,155 @@ +// Copyright 2014 Google Inc. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package com.google.devtools.build.lib.rules.objc; + +import static com.google.devtools.build.lib.rules.objc.ObjcProvider.FRAMEWORK_DIR; + +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.Function; +import com.google.common.collect.ImmutableList; +import com.google.common.collect.ImmutableMap; +import com.google.common.collect.ImmutableSet; +import com.google.common.collect.Iterables; +import com.google.devtools.build.lib.vfs.PathFragment; +import com.google.devtools.build.xcode.common.Platform; +import com.google.devtools.build.xcode.util.Interspersing; +import com.google.devtools.build.xcode.xcodegen.proto.XcodeGenProtos.XcodeprojBuildSetting; + +import java.util.List; + +/** + * Utility code for use when generating iOS SDK commands. + */ +public class IosSdkCommands { + public static final String DEVELOPER_DIR = "/Applications/Xcode.app/Contents/Developer"; + public static final String BIN_DIR = + DEVELOPER_DIR + "/Toolchains/XcodeDefault.xctoolchain/usr/bin"; + public static final String ACTOOL_PATH = DEVELOPER_DIR + "/usr/bin/actool"; + public static final String IBTOOL_PATH = DEVELOPER_DIR + "/usr/bin/ibtool"; + public static final String MOMC_PATH = DEVELOPER_DIR + "/usr/bin/momc"; + + // There is a handy reference to many clang warning flags at + // http://nshipster.com/clang-diagnostics/ + // There is also a useful narrative for many Xcode settings at + // http://www.xs-labs.com/en/blog/2011/02/04/xcode-build-settings/ + @VisibleForTesting + static final ImmutableMap<String, String> DEFAULT_WARNINGS = + new ImmutableMap.Builder<String, String>() + .put("GCC_WARN_64_TO_32_BIT_CONVERSION", "-Wshorten-64-to-32") + .put("CLANG_WARN_BOOL_CONVERSION", "-Wbool-conversion") + .put("CLANG_WARN_CONSTANT_CONVERSION", "-Wconstant-conversion") + // Double-underscores are intentional - thanks Xcode. + .put("CLANG_WARN__DUPLICATE_METHOD_MATCH", "-Wduplicate-method-match") + .put("CLANG_WARN_EMPTY_BODY", "-Wempty-body") + .put("CLANG_WARN_ENUM_CONVERSION", "-Wenum-conversion") + .put("CLANG_WARN_INT_CONVERSION", "-Wint-conversion") + .put("CLANG_WARN_UNREACHABLE_CODE", "-Wunreachable-code") + .put("GCC_WARN_ABOUT_RETURN_TYPE", "-Wmismatched-return-types") + .put("GCC_WARN_UNDECLARED_SELECTOR", "-Wundeclared-selector") + .put("GCC_WARN_UNINITIALIZED_AUTOS", "-Wuninitialized") + .put("GCC_WARN_UNUSED_FUNCTION", "-Wunused-function") + .put("GCC_WARN_UNUSED_VARIABLE", "-Wunused-variable") + .build(); + + static final ImmutableList<String> DEFAULT_LINKER_FLAGS = ImmutableList.of("-ObjC"); + + private IosSdkCommands() { + throw new UnsupportedOperationException("static-only"); + } + + private static String platformDir(ObjcConfiguration configuration) { + return DEVELOPER_DIR + "/Platforms/" + configuration.getPlatform().getNameInPlist() + + ".platform"; + } + + public static String sdkDir(ObjcConfiguration configuration) { + return platformDir(configuration) + "/Developer/SDKs/" + + configuration.getPlatform().getNameInPlist() + configuration.getIosSdkVersion() + ".sdk"; + } + + public static String frameworkDir(ObjcConfiguration configuration) { + return platformDir(configuration) + "/Developer/Library/Frameworks"; + } + + private static Iterable<PathFragment> uniqueParentDirectories(Iterable<PathFragment> paths) { + ImmutableSet.Builder<PathFragment> parents = new ImmutableSet.Builder<>(); + for (PathFragment path : paths) { + parents.add(path.getParentDirectory()); + } + return parents.build(); + } + + public static List<String> commonLinkAndCompileArgsForClang( + ObjcProvider provider, ObjcConfiguration configuration) { + ImmutableList.Builder<String> builder = new ImmutableList.Builder<>(); + if (configuration.getPlatform() == Platform.SIMULATOR) { + builder.add("-mios-simulator-version-min=" + configuration.getMinimumOs()); + } else { + builder.add("-miphoneos-version-min=" + configuration.getMinimumOs()); + } + + if (configuration.generateDebugSymbols()) { + builder.add("-g"); + } + + return builder + .add("-arch", configuration.getIosCpu()) + .add("-isysroot", sdkDir(configuration)) + // TODO(bazel-team): Pass framework search paths to Xcodegen. + .add("-F", sdkDir(configuration) + "/Developer/Library/Frameworks") + // As of sdk8.1, XCTest is in a base Framework dir + .add("-F", frameworkDir(configuration)) + // Add custom (non-SDK) framework search paths. For each framework foo/bar.framework, + // include "foo" as a search path. + .addAll(Interspersing.beforeEach( + "-F", + PathFragment.safePathStrings(uniqueParentDirectories(provider.get(FRAMEWORK_DIR))))) + .build(); + } + + public static Iterable<String> compileArgsForClang(ObjcConfiguration configuration) { + return Iterables.concat( + DEFAULT_WARNINGS.values(), + platformSpecificCompileArgsForClang(configuration) + ); + } + + private static List<String> platformSpecificCompileArgsForClang(ObjcConfiguration configuration) { + switch (configuration.getPlatform()) { + case DEVICE: + return ImmutableList.of(); + case SIMULATOR: + // These are added by Xcode when building, because the simulator is built on OSX + // frameworks so we aim compile to match the OSX objc runtime. + return ImmutableList.of( + "-fexceptions", + "-fasm-blocks", + "-fobjc-abi-version=2", + "-fobjc-legacy-dispatch"); + default: + throw new AssertionError(); + } + } + + public static Iterable<? extends XcodeprojBuildSetting> defaultWarningsForXcode() { + return Iterables.transform(DEFAULT_WARNINGS.keySet(), + new Function<String, XcodeprojBuildSetting>() { + @Override + public XcodeprojBuildSetting apply(String key) { + return XcodeprojBuildSetting.newBuilder().setName(key).setValue("YES").build(); + } + }); + } +} |