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      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 
      5 import("//build/config/sysroot.gni")  # Imports android/config.gni.
      6 import("//build/toolchain/gcc_toolchain.gni")
      7 
      8 # The Android GCC toolchains share most of the same parameters, so we have this
      9 # wrapper around gcc_toolchain to avoid duplication of logic.
     10 #
     11 # Parameters:
     12 #  - android_ndk_sysroot
     13 #      Sysroot for this architecture.
     14 #  - android_ndk_lib_dir
     15 #      Subdirectory inside of android_ndk_sysroot where libs go.
     16 #  - toolchain_cpu
     17 #      Same as gcc_toolchain
     18 template("android_gcc_toolchain") {
     19   gcc_toolchain(target_name) {
     20     # Make our manually injected libs relative to the build dir.
     21     android_ndk_lib = rebase_path(
     22             invoker.android_ndk_sysroot + "/" + invoker.android_ndk_lib_dir,
     23             root_build_dir)
     24 
     25     libs_section_prefix = "$android_ndk_lib/crtbegin_dynamic.o"
     26     libs_section_postfix = "$android_ndk_lib/crtend_android.o"
     27 
     28     solink_libs_section_prefix = "$android_ndk_lib/crtbegin_so.o"
     29     solink_libs_section_postfix = "$android_ndk_lib/crtend_so.o"
     30 
     31     # The tools should be run relative to the build dir.
     32     tool_prefix = rebase_path("$android_tool_prefix", root_build_dir)
     33 
     34     is_clang = invoker.is_clang
     35     if (is_clang) {
     36       prefix = rebase_path("//third_party/llvm-build/Release+Asserts/bin",
     37                            root_build_dir)
     38       cc = "$prefix/clang"
     39       cxx = "$prefix/clang++"
     40     } else {
     41       cc = "${tool_prefix}gcc"
     42       cxx = "${tool_prefix}g++"
     43     }
     44     ar = tool_prefix + "ar"
     45     ld = cxx
     46     readelf = tool_prefix + "readelf"
     47     nm = tool_prefix + "nm"
     48     strip = "${tool_prefix}strip"
     49 
     50     # Don't use .cr.so for loadable_modules since they are always loaded via
     51     # absolute path.
     52     loadable_module_extension = ".so"
     53 
     54     toolchain_os = "android"
     55     toolchain_cpu = invoker.toolchain_cpu
     56   }
     57 }
     58 
     59 template("android_gcc_toolchains_helper") {
     60   android_gcc_toolchain(target_name) {
     61     android_ndk_sysroot = invoker.android_ndk_sysroot
     62     android_ndk_lib_dir = invoker.android_ndk_lib_dir
     63     toolchain_cpu = invoker.toolchain_cpu
     64   }
     65 
     66   android_gcc_toolchain("clang_$target_name") {
     67     android_ndk_sysroot = invoker.android_ndk_sysroot
     68     android_ndk_lib_dir = invoker.android_ndk_lib_dir
     69     toolchain_cpu = invoker.toolchain_cpu
     70     is_clang = true
     71   }
     72 }
     73 
     74 android_gcc_toolchains_helper("x86") {
     75   android_ndk_sysroot = "$android_ndk_root/$x86_android_sysroot_subdir"
     76   android_ndk_lib_dir = "usr/lib"
     77 
     78   toolchain_cpu = "x86"
     79 }
     80 
     81 android_gcc_toolchains_helper("arm") {
     82   android_ndk_sysroot = "$android_ndk_root/$arm_android_sysroot_subdir"
     83   android_ndk_lib_dir = "usr/lib"
     84 
     85   toolchain_cpu = "arm"
     86 }
     87 
     88 android_gcc_toolchains_helper("mipsel") {
     89   android_ndk_sysroot = "$android_ndk_root/$mips_android_sysroot_subdir"
     90   android_ndk_lib_dir = "usr/lib"
     91 
     92   toolchain_cpu = "mipsel"
     93 }
     94 
     95 android_gcc_toolchains_helper("x64") {
     96   android_ndk_sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir"
     97   android_ndk_lib_dir = "usr/lib64"
     98 
     99   toolchain_cpu = "x86_64"
    100 }
    101 
    102 android_gcc_toolchains_helper("arm64") {
    103   android_ndk_sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir"
    104   android_ndk_lib_dir = "usr/lib"
    105 
    106   toolchain_cpu = "aarch64"
    107 }
    108 
    109 android_gcc_toolchains_helper("mips64el") {
    110   android_ndk_sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir"
    111   android_ndk_lib_dir = "usr/lib64"
    112 
    113   toolchain_cpu = "mipsel64el"
    114 }
    115