1# Copyright (C) 2017 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import("//gn/standalone/android.gni") 16import("llvm.gni") 17 18declare_args() { 19 if (is_clang) { 20 if (is_linux) { 21 cc = linux_clang_bin 22 cxx = linux_clangxx_bin 23 } else { 24 cc = "clang" 25 cxx = "clang++" 26 } 27 } else { 28 cc = "gcc" 29 cxx = "g++" 30 } 31} 32 33declare_args() { 34 host_ar = ar 35 if (is_linux_host && is_clang) { 36 host_cc = linux_clang_bin 37 host_cxx = linux_clangxx_bin 38 } else { 39 host_cc = cc 40 host_cxx = cxx 41 } 42 43 if (is_android) { 44 target_ar = "$android_toolchain_root/bin/$android_abi_target-ar" 45 target_cc = "$android_llvm_dir/bin/clang" 46 target_cxx = "$android_llvm_dir/bin/clang++" 47 } else { 48 target_ar = ar 49 target_cc = cc 50 target_cxx = cxx 51 } 52 cc_wrapper = "" 53} 54 55python = "python" 56stamp = "touch" 57 58template("gcc_like_toolchain") { 59 toolchain(target_name) { 60 ar = invoker.ar 61 cc = invoker.cc 62 cxx = invoker.cxx 63 lib_switch = "-l" 64 lib_dir_switch = "-L" 65 66 tool("cc") { 67 depfile = "{{output}}.d" 68 command = "$cc_wrapper $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}" 69 depsformat = "gcc" 70 outputs = [ 71 "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", 72 ] 73 description = "compile {{source}}" 74 } 75 76 tool("cxx") { 77 depfile = "{{output}}.d" 78 command = "$cc_wrapper $cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}" 79 depsformat = "gcc" 80 outputs = [ 81 "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", 82 ] 83 description = "compile {{source}}" 84 } 85 86 tool("asm") { 87 depfile = "{{output}}.d" 88 command = "$cc_wrapper $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}" 89 depsformat = "gcc" 90 outputs = [ 91 "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", 92 ] 93 description = "assemble {{source}}" 94 } 95 96 tool("alink") { 97 if (is_mac && ar != "suppress_unused_ar_variable_warning") { 98 command = "rm -f {{output}} && libtool -static {{arflags}} -o {{output}} {{inputs}}" 99 } else { 100 rspfile = "{{output}}.rsp" 101 rspfile_content = "{{inputs}}" 102 command = "$ar rcsD {{output}} @$rspfile" 103 } 104 outputs = [ 105 "{{root_out_dir}}/{{target_output_name}}{{output_extension}}", 106 ] 107 default_output_extension = ".a" 108 output_prefix = "lib" 109 description = "link {{output}}" 110 } 111 112 tool("solink") { 113 soname = "{{target_output_name}}{{output_extension}}" 114 115 rpath = "-Wl,-soname,$soname" 116 if (is_mac) { 117 rpath = "-Wl,-install_name,@rpath/$soname" 118 } 119 120 command = "$cc_wrapper $cxx -shared {{ldflags}} {{inputs}} {{solibs}} {{libs}} $rpath -o {{output}}" 121 outputs = [ 122 "{{root_out_dir}}/$soname", 123 ] 124 output_prefix = "lib" 125 default_output_extension = ".so" 126 description = "link {{output}}" 127 } 128 129 tool("link") { 130 command = "$cc_wrapper $cxx {{ldflags}} {{inputs}} {{solibs}} {{libs}} -o {{output}}" 131 outputs = [ 132 "{{root_out_dir}}/{{target_output_name}}{{output_extension}}", 133 ] 134 description = "link {{output}}" 135 } 136 137 tool("stamp") { 138 command = "touch {{output}}" 139 description = "stamp {{output}}" 140 } 141 142 tool("copy") { 143 command = "cp -af {{source}} {{output}}" 144 description = "COPY {{source}} {{output}}" 145 } 146 147 toolchain_args = { 148 current_cpu = invoker.cpu 149 current_os = invoker.os 150 } 151 } 152} 153 154gcc_like_toolchain("gcc_like") { 155 cpu = current_cpu 156 os = current_os 157 ar = target_ar 158 cc = target_cc 159 cxx = target_cxx 160} 161 162gcc_like_toolchain("gcc_like_host") { 163 cpu = host_cpu 164 os = host_os 165 ar = host_ar 166 cc = host_cc 167 cxx = host_cxx 168} 169