1# Copyright 2013 The Chromium Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5import("//build/config/clang/clang.gni") 6import("//build/config/sysroot.gni") # Imports android/config.gni. 7import("//build/toolchain/gcc_toolchain.gni") 8 9# The Android GCC toolchains share most of the same parameters, so we have this 10# wrapper around gcc_toolchain to avoid duplication of logic. 11# 12# Parameters: 13# - toolchain_root 14# Path to cpu-specific toolchain within the ndk. 15# - sysroot 16# Sysroot for this architecture. 17# - lib_dir 18# Subdirectory inside of sysroot where libs go. 19# - binary_prefix 20# Prefix of compiler executables. 21template("android_gcc_toolchain") { 22 gcc_toolchain(target_name) { 23 assert(defined(invoker.toolchain_args), 24 "toolchain_args must be defined for android_gcc_toolchain()") 25 toolchain_args = invoker.toolchain_args 26 toolchain_args.current_os = "android" 27 28 # Output linker map files for binary size analysis. 29 enable_linker_map = true 30 31 # Make our manually injected libs relative to the build dir. 32 _ndk_lib = 33 rebase_path(invoker.sysroot + "/" + invoker.lib_dir, root_build_dir) 34 35 libs_section_prefix = "$_ndk_lib/crtbegin_dynamic.o" 36 libs_section_postfix = "$_ndk_lib/crtend_android.o" 37 38 solink_libs_section_prefix = "$_ndk_lib/crtbegin_so.o" 39 solink_libs_section_postfix = "$_ndk_lib/crtend_so.o" 40 41 _android_tool_prefix = 42 "${invoker.toolchain_root}/bin/${invoker.binary_prefix}-" 43 44 # The tools should be run relative to the build dir. 45 _tool_prefix = rebase_path("$_android_tool_prefix", root_build_dir) 46 47 # Use the clang specified by the toolchain if there is one. Otherwise fall 48 # back to the global flag. 49 if (defined(toolchain_args.is_clang)) { 50 toolchain_uses_clang = toolchain_args.is_clang 51 } else { 52 toolchain_uses_clang = is_clang 53 } 54 55 if (toolchain_uses_clang) { 56 _prefix = rebase_path("$clang_base_path/bin", root_build_dir) 57 cc = "$_prefix/clang" 58 cxx = "$_prefix/clang++" 59 } else { 60 cc = "${_tool_prefix}gcc" 61 cxx = "${_tool_prefix}g++" 62 } 63 ar = _tool_prefix + "ar" 64 ld = cxx 65 readelf = _tool_prefix + "readelf" 66 nm = _tool_prefix + "nm" 67 strip = "${_tool_prefix}strip" 68 69 # Don't use .cr.so for loadable_modules since they are always loaded via 70 # absolute path. 71 loadable_module_extension = ".so" 72 } 73} 74 75template("android_gcc_toolchains_helper") { 76 android_gcc_toolchain("android_$target_name") { 77 forward_variables_from(invoker, "*") 78 toolchain_args.is_clang = false 79 } 80 81 android_gcc_toolchain("android_clang_$target_name") { 82 forward_variables_from(invoker, "*") 83 toolchain_args.is_clang = true 84 } 85} 86 87android_gcc_toolchains_helper("x86") { 88 toolchain_root = x86_android_toolchain_root 89 sysroot = "$android_ndk_root/$x86_android_sysroot_subdir" 90 lib_dir = "usr/lib" 91 binary_prefix = "i686-linux-android" 92 toolchain_args = { 93 current_cpu = "x86" 94 } 95} 96 97android_gcc_toolchains_helper("arm") { 98 toolchain_root = arm_android_toolchain_root 99 sysroot = "$android_ndk_root/$arm_android_sysroot_subdir" 100 lib_dir = "usr/lib" 101 binary_prefix = "arm-linux-androideabi" 102 toolchain_args = { 103 current_cpu = "arm" 104 } 105} 106 107android_gcc_toolchains_helper("mipsel") { 108 toolchain_root = mips_android_toolchain_root 109 sysroot = "$android_ndk_root/$mips_android_sysroot_subdir" 110 lib_dir = "usr/lib" 111 binary_prefix = "mipsel-linux-android" 112 toolchain_args = { 113 current_cpu = "mipsel" 114 } 115} 116 117android_gcc_toolchains_helper("x64") { 118 toolchain_root = x86_64_android_toolchain_root 119 sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir" 120 lib_dir = "usr/lib64" 121 binary_prefix = "x86_64-linux-android" 122 toolchain_args = { 123 current_cpu = "x64" 124 } 125} 126 127android_gcc_toolchains_helper("arm64") { 128 toolchain_root = arm64_android_toolchain_root 129 sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir" 130 lib_dir = "usr/lib" 131 binary_prefix = "aarch64-linux-android" 132 toolchain_args = { 133 current_cpu = "arm64" 134 } 135} 136 137android_gcc_toolchains_helper("mips64el") { 138 toolchain_root = mips64_android_toolchain_root 139 sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir" 140 lib_dir = "usr/lib64" 141 binary_prefix = "mips64el-linux-android" 142 toolchain_args = { 143 current_cpu = "mips64el" 144 } 145} 146