mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 1 | # Copyright 2016 Google Inc. |
| 2 | # |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | declare_args() { |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 7 | ar = "ar" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 8 | cc = "cc" |
| 9 | cxx = "c++" |
mtklein | 8079ba6 | 2016-08-16 09:31:16 -0700 | [diff] [blame] | 10 | |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 11 | if (is_android) { |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 12 | ar = "$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/$ndk_target/bin/ar" |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 13 | cc = "$ndk/toolchains/llvm/prebuilt/$ndk_host/bin/clang" |
| 14 | cxx = "$ndk/toolchains/llvm/prebuilt/$ndk_host/bin/clang++" |
| 15 | } |
| 16 | |
mtklein | 8079ba6 | 2016-08-16 09:31:16 -0700 | [diff] [blame] | 17 | extra_cflags = "" |
| 18 | extra_cflags_c = "" |
| 19 | extra_cflags_cc = "" |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 20 | |
| 21 | compiler_prefix = "" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 22 | } |
| 23 | |
halcanary | 19a9720 | 2016-08-03 15:08:04 -0700 | [diff] [blame] | 24 | config("no_rtti") { |
| 25 | cflags_cc = [ "-fno-rtti" ] |
| 26 | } |
| 27 | |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 28 | config("default") { |
| 29 | cflags = [ |
| 30 | "-g", |
| 31 | "-fstrict-aliasing", |
| 32 | "-fPIC", |
mtklein | 8796ff1 | 2016-07-27 14:59:08 -0700 | [diff] [blame] | 33 | "-fvisibility=hidden", |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 34 | |
| 35 | "-Werror", |
| 36 | "-Wall", |
| 37 | "-Wextra", |
| 38 | "-Winit-self", |
| 39 | "-Wpointer-arith", |
| 40 | "-Wsign-compare", |
| 41 | "-Wvla", |
| 42 | |
| 43 | "-Wno-deprecated-declarations", |
| 44 | "-Wno-unused-parameter", |
| 45 | ] |
| 46 | cflags_cc = [ |
| 47 | "-std=c++11", |
| 48 | "-fno-exceptions", |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 49 | "-fno-threadsafe-statics", |
mtklein | 8796ff1 | 2016-07-27 14:59:08 -0700 | [diff] [blame] | 50 | "-fvisibility-inlines-hidden", |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 51 | |
| 52 | "-Wnon-virtual-dtor", |
| 53 | ] |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 54 | if (current_cpu == "arm") { |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 55 | cflags += [ |
| 56 | "-march=armv7-a", |
| 57 | "-mfpu=neon", |
| 58 | "-mthumb", |
| 59 | ] |
| 60 | } else if (current_cpu == "mipsel") { |
| 61 | cflags += [ |
| 62 | "-march=mips32r2", |
| 63 | "-mdspr2", |
| 64 | ] |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | if (is_android) { |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 68 | asmflags = [ |
| 69 | "--target=$ndk_target", |
| 70 | "-B$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/$ndk_target/bin", |
| 71 | ] |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 72 | cflags += [ |
| 73 | "--sysroot=$ndk/platforms/$ndk_platform", |
| 74 | "--target=$ndk_target", |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 75 | "-B$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/$ndk_target/bin", |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 76 | ] |
| 77 | cflags_cc += [ |
| 78 | "-isystem$ndk/sources/android/support/include", |
| 79 | "-isystem$ndk/sources/cxx-stl/llvm-libc++/libcxx/include", |
| 80 | ] |
| 81 | ldflags = [ |
| 82 | "--sysroot=$ndk/platforms/$ndk_platform", |
| 83 | "--target=$ndk_target", |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 84 | "-B$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/$ndk_target/bin", |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 85 | "-pie", |
| 86 | ] |
| 87 | lib_dirs = [ |
| 88 | "$ndk/sources/cxx-stl/llvm-libc++/libs/$ndk_stdlib", |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 89 | "$ndk/toolchains/$ndk_gccdir-4.9/prebuilt/$ndk_host/lib/gcc/$ndk_target/4.9.x", |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 90 | ] |
| 91 | libs = [ |
| 92 | # Order matters here! Keep these three in exactly this order. |
| 93 | "c++_static", |
| 94 | "c++abi", |
| 95 | "android_support", |
| 96 | ] |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 97 | if (target_cpu == "arm") { |
| 98 | libs += [ "unwind" ] |
| 99 | } |
mtklein | 7d6fb2c | 2016-08-25 14:50:44 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | if (is_linux) { |
| 103 | libs = [ "pthread" ] |
| 104 | } |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | config("release") { |
| 108 | cflags = [ "-Os" ] |
| 109 | defines = [ "NDEBUG" ] |
| 110 | } |
| 111 | |
| 112 | config("executable") { |
| 113 | if (is_mac) { |
| 114 | ldflags = [ "-Wl,-rpath,@loader_path/." ] |
| 115 | } else if (is_linux) { |
| 116 | ldflags = [ "-Wl,-rpath,\$ORIGIN" ] |
| 117 | } |
| 118 | } |
| 119 | |
mtklein | d434b01 | 2016-08-10 07:30:58 -0700 | [diff] [blame] | 120 | pool("link_pool") { |
| 121 | depth = 0 #unlimited |
| 122 | } |
| 123 | |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 124 | toolchain("gcc_like") { |
| 125 | lib_switch = "-l" |
| 126 | lib_dir_switch = "-L" |
| 127 | |
| 128 | tool("cc") { |
| 129 | depfile = "{{output}}.d" |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 130 | command = "$compiler_prefix $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} $extra_cflags $extra_cflags_c -c {{source}} -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 131 | depsformat = "gcc" |
| 132 | outputs = [ |
| 133 | "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| 134 | ] |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 135 | description = |
| 136 | "$compiler_prefix $cc ... $extra_cflags $extra_cflags_c -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | tool("cxx") { |
| 140 | depfile = "{{output}}.d" |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 141 | command = "$compiler_prefix $cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} $extra_cflags $extra_cflags_cc -c {{source}} -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 142 | depsformat = "gcc" |
| 143 | outputs = [ |
| 144 | "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| 145 | ] |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 146 | description = |
| 147 | "$compiler_prefix $cxx ... $extra_cflags $extra_cflags_cc -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | tool("asm") { |
| 151 | depfile = "{{output}}.d" |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 152 | command = "$compiler_prefix $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 153 | depsformat = "gcc" |
| 154 | outputs = [ |
| 155 | "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| 156 | ] |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 157 | description = "$compiler_prefix $cc ... -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | tool("alink") { |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 161 | command = "rm -f {{output}} && $ar rcs {{output}} {{inputs}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 162 | outputs = [ |
mtklein | 5db44aa | 2016-07-29 09:10:31 -0700 | [diff] [blame] | 163 | "{{root_out_dir}}/{{target_output_name}}{{output_extension}}", |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 164 | ] |
| 165 | default_output_extension = ".a" |
| 166 | output_prefix = "lib" |
mtklein | 349cece | 2016-08-26 08:13:04 -0700 | [diff] [blame] | 167 | description = "$ar {{output}} ..." |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | tool("solink") { |
| 171 | soname = "{{target_output_name}}{{output_extension}}" |
| 172 | |
| 173 | rpath = "-Wl,-soname,$soname" |
| 174 | if (is_mac) { |
| 175 | rpath = "-Wl,-install_name,@rpath/$soname" |
| 176 | } |
| 177 | |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 178 | command = "$compiler_prefix $cxx -shared {{ldflags}} {{inputs}} {{solibs}} {{libs}} $rpath -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 179 | outputs = [ |
| 180 | "{{root_out_dir}}/$soname", |
| 181 | ] |
| 182 | output_prefix = "lib" |
| 183 | default_output_extension = ".so" |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 184 | description = "$compiler_prefix $cxx -shared ... -o {{output}}" |
mtklein | d434b01 | 2016-08-10 07:30:58 -0700 | [diff] [blame] | 185 | pool = ":link_pool" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | tool("link") { |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 189 | command = "$compiler_prefix $cxx {{ldflags}} {{inputs}} {{solibs}} {{libs}} -o {{output}}" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 190 | outputs = [ |
| 191 | "{{root_out_dir}}/{{target_output_name}}{{output_extension}}", |
| 192 | ] |
mtklein | cab0bb7 | 2016-08-26 13:43:19 -0700 | [diff] [blame^] | 193 | description = "$compiler_prefix $cxx ... -o {{output}}" |
mtklein | d434b01 | 2016-08-10 07:30:58 -0700 | [diff] [blame] | 194 | pool = ":link_pool" |
mtklein | 7fbfbbe | 2016-07-21 12:25:45 -0700 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | tool("stamp") { |
| 198 | command = "touch {{output}}" |
| 199 | } |
| 200 | |
| 201 | tool("copy") { |
| 202 | command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})" |
| 203 | } |
| 204 | } |