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7c502b6344
This adds an Android target for the stdlib. It is also the first example of cross-compiling outside of Darwin. Mailing list discussions: 1. https://lists.swift.org/pipermail/swift-dev/Week-of-Mon-20151207/000171.html 2. https://lists.swift.org/pipermail/swift-dev/Week-of-Mon-20151214/000492.html The Android variant of Swift may be built using the following `build-script` invocation: ``` $ utils/build-script \ -R \ # Build in ReleaseAssert mode. --android \ # Build for Android. --android-ndk ~/android-ndk-r10e \ # Path to an Android NDK. --android-ndk-version 21 \ --android-icu-uc ~/libicu-android/armeabi-v7a/libicuuc.so \ --android-icu-uc-include ~/libicu-android/armeabi-v7a/icu/source/common \ --android-icu-i18n ~/libicu-android/armeabi-v7a/libicui18n.so \ --android-icu-i18n-include ~/libicu-android/armeabi-v7a/icu/source/i18n/ ``` Android builds have the following dependencies, as can be seen in the build script invocation: 1. An Android NDK of version 21 or greater, available to download here: http://developer.android.com/ndk/downloads/index.html. 2. A libicu compatible with android-armv7.
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
//===--- Platform.cpp - Implement platform-related helpers ----------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/Platform.h"
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#include "llvm/ADT/Triple.h"
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using namespace swift;
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bool swift::tripleIsiOSSimulator(const llvm::Triple &triple) {
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llvm::Triple::ArchType arch = triple.getArch();
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return (triple.isiOS() &&
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(arch == llvm::Triple::x86 || arch == llvm::Triple::x86_64));
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}
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bool swift::tripleIsAppleTVSimulator(const llvm::Triple &triple) {
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llvm::Triple::ArchType arch = triple.getArch();
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return (triple.isTvOS() &&
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(arch == llvm::Triple::x86 || arch == llvm::Triple::x86_64));
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}
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bool swift::tripleIsWatchSimulator(const llvm::Triple &triple) {
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llvm::Triple::ArchType arch = triple.getArch();
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return (triple.isWatchOS() &&
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(arch == llvm::Triple::x86 || arch == llvm::Triple::x86_64));
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}
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bool swift::tripleIsAnySimulator(const llvm::Triple &triple) {
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return tripleIsiOSSimulator(triple) ||
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tripleIsWatchSimulator(triple) ||
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tripleIsAppleTVSimulator(triple);
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}
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DarwinPlatformKind swift::getDarwinPlatformKind(const llvm::Triple &triple) {
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if (triple.isiOS()) {
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if (triple.isTvOS()) {
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if (tripleIsAppleTVSimulator(triple))
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return DarwinPlatformKind::TvOSSimulator;
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return DarwinPlatformKind::TvOS;
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}
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if (tripleIsiOSSimulator(triple))
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return DarwinPlatformKind::IPhoneOSSimulator;
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return DarwinPlatformKind::IPhoneOS;
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}
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if (triple.isWatchOS()) {
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if (tripleIsWatchSimulator(triple))
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return DarwinPlatformKind::WatchOSSimulator;
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return DarwinPlatformKind::WatchOS;
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}
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if (triple.isMacOSX())
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return DarwinPlatformKind::MacOS;
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llvm_unreachable("Unsupported Darwin platform");
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}
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static StringRef getPlatformNameForDarwin(const DarwinPlatformKind platform) {
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switch (platform) {
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case DarwinPlatformKind::MacOS:
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return "macosx";
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case DarwinPlatformKind::IPhoneOS:
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return "iphoneos";
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case DarwinPlatformKind::IPhoneOSSimulator:
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return "iphonesimulator";
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case DarwinPlatformKind::TvOS:
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return "appletvos";
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case DarwinPlatformKind::TvOSSimulator:
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return "appletvsimulator";
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case DarwinPlatformKind::WatchOS:
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return "watchos";
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case DarwinPlatformKind::WatchOSSimulator:
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return "watchsimulator";
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}
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llvm_unreachable("Unsupported Darwin platform");
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}
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StringRef swift::getPlatformNameForTriple(const llvm::Triple &triple) {
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if (triple.isOSDarwin())
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return getPlatformNameForDarwin(getDarwinPlatformKind(triple));
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if (triple.isAndroid())
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return "android";
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if (triple.isOSLinux())
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return "linux";
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if (triple.isOSFreeBSD())
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return "freebsd";
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if (triple.isOSWindows())
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return "windows";
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return "";
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}
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