| // Copyright 2018 The Bazel Authors. 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.bazel.rules.android.ndkcrosstools.r15; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.bazel.rules.android.ndkcrosstools.NdkPaths; |
| import com.google.devtools.build.lib.bazel.rules.android.ndkcrosstools.StlImpl; |
| import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CToolchain; |
| import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CompilationMode; |
| import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CompilationModeFlags; |
| |
| /** |
| * Crosstool definitions for x86. These values are based on the setup.mk files in the Android NDK |
| * toolchain directories. |
| */ |
| final class X86Crosstools { |
| private final NdkPaths ndkPaths; |
| private final StlImpl stlImpl; |
| private final String clangVersion; |
| |
| X86Crosstools(NdkPaths ndkPaths, StlImpl stlImpl, String clangVersion) { |
| this.ndkPaths = ndkPaths; |
| this.stlImpl = stlImpl; |
| this.clangVersion = clangVersion; |
| } |
| |
| ImmutableList<CToolchain.Builder> createCrosstools() { |
| /** x86 */ |
| // clang |
| CToolchain.Builder x86Clang = |
| createBaseX86ClangToolchain("x86", "i686", "i686-linux-android") |
| // Workaround for https://code.google.com/p/android/issues/detail?id=220159. |
| .addCompilerFlag("-mstackrealign") |
| .setToolchainIdentifier("x86-clang" + clangVersion) |
| .setTargetCpu("x86") |
| .addAllToolPath(ndkPaths.createClangToolpaths("x86-4.9", "i686-linux-android", null)) |
| .setBuiltinSysroot(ndkPaths.createBuiltinSysroot("x86")); |
| |
| stlImpl.addStlImpl(x86Clang, "4.9"); |
| |
| /** x86_64 */ |
| CToolchain.Builder x8664Clang = |
| createBaseX86ClangToolchain("x86_64", "x86_64", "x86_64-linux-android") |
| .setToolchainIdentifier("x86_64-clang" + clangVersion) |
| .setTargetCpu("x86_64") |
| .addAllToolPath( |
| ndkPaths.createClangToolpaths("x86_64-4.9", "x86_64-linux-android", null)) |
| .setBuiltinSysroot(ndkPaths.createBuiltinSysroot("x86_64")); |
| |
| stlImpl.addStlImpl(x8664Clang, "4.9"); |
| |
| return ImmutableList.of(x86Clang, x8664Clang); |
| } |
| |
| private CToolchain.Builder createBaseX86ClangToolchain( |
| String x86Arch, String llvmArch, String triple) { |
| String gccToolchain = ndkPaths.createGccToolchainPath(x86Arch + "-4.9"); |
| String llvmTriple = llvmArch + "-none-linux-android"; |
| |
| return CToolchain.newBuilder() |
| .setCompiler("clang" + clangVersion) |
| .addCxxBuiltinIncludeDirectory( |
| ndkPaths.createClangToolchainBuiltinIncludeDirectory(clangVersion)) |
| |
| // Compiler flags |
| .addCompilerFlag("-gcc-toolchain") |
| .addCompilerFlag(gccToolchain) |
| .addCompilerFlag("-target") |
| .addCompilerFlag(llvmTriple) |
| .addCompilerFlag("-ffunction-sections") |
| .addCompilerFlag("-funwind-tables") |
| .addCompilerFlag("-fstack-protector-strong") |
| .addCompilerFlag("-fPIC") |
| .addCompilerFlag("-Wno-invalid-command-line-argument") |
| .addCompilerFlag("-Wno-unused-command-line-argument") |
| .addCompilerFlag("-no-canonical-prefixes") |
| .addCompilerFlag( |
| "-isystem%ndk%/usr/include/%triple%" |
| .replace("%ndk%", ndkPaths.createBuiltinSysroot()) |
| .replace("%triple%", triple)) |
| .addCompilerFlag("-D__ANDROID_API__=" + ndkPaths.getCorrectedApiLevel(x86Arch)) |
| |
| // Linker flags |
| .addLinkerFlag("-gcc-toolchain") |
| .addLinkerFlag(gccToolchain) |
| .addLinkerFlag("-target") |
| .addLinkerFlag(llvmTriple) |
| .addLinkerFlag("-no-canonical-prefixes") |
| |
| // Additional release flags |
| .addCompilationModeFlags( |
| CompilationModeFlags.newBuilder() |
| .setMode(CompilationMode.OPT) |
| .addCompilerFlag("-O2") |
| .addCompilerFlag("-g") |
| .addCompilerFlag("-DNDEBUG")) |
| |
| // Additional debug flags |
| .addCompilationModeFlags( |
| CompilationModeFlags.newBuilder() |
| .setMode(CompilationMode.DBG) |
| .addCompilerFlag("-O0") |
| .addCompilerFlag("-g")) |
| .setTargetSystemName("x86-linux-android"); |
| } |
| } |