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() { |
| 7 | ar = "ar" |
| 8 | cc = "cc" |
| 9 | cxx = "c++" |
| 10 | } |
| 11 | |
| 12 | config("default") { |
| 13 | cflags = [ |
| 14 | "-g", |
| 15 | "-fstrict-aliasing", |
| 16 | "-fPIC", |
| 17 | |
| 18 | "-Werror", |
| 19 | "-Wall", |
| 20 | "-Wextra", |
| 21 | "-Winit-self", |
| 22 | "-Wpointer-arith", |
| 23 | "-Wsign-compare", |
| 24 | "-Wvla", |
| 25 | |
| 26 | "-Wno-deprecated-declarations", |
| 27 | "-Wno-unused-parameter", |
| 28 | ] |
| 29 | cflags_cc = [ |
| 30 | "-std=c++11", |
| 31 | "-fno-exceptions", |
| 32 | "-fno-rtti", |
| 33 | "-fno-threadsafe-statics", |
| 34 | |
| 35 | "-Wnon-virtual-dtor", |
| 36 | ] |
| 37 | } |
| 38 | |
| 39 | config("release") { |
| 40 | cflags = [ "-Os" ] |
| 41 | defines = [ "NDEBUG" ] |
| 42 | } |
| 43 | |
| 44 | config("executable") { |
| 45 | if (is_mac) { |
| 46 | ldflags = [ "-Wl,-rpath,@loader_path/." ] |
| 47 | } else if (is_linux) { |
| 48 | ldflags = [ "-Wl,-rpath,\$ORIGIN" ] |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | toolchain("gcc_like") { |
| 53 | lib_switch = "-l" |
| 54 | lib_dir_switch = "-L" |
| 55 | |
| 56 | tool("cc") { |
| 57 | depfile = "{{output}}.d" |
| 58 | command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}" |
| 59 | depsformat = "gcc" |
| 60 | outputs = [ |
| 61 | "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| 62 | ] |
| 63 | } |
| 64 | |
| 65 | tool("cxx") { |
| 66 | depfile = "{{output}}.d" |
| 67 | command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}" |
| 68 | depsformat = "gcc" |
| 69 | outputs = [ |
| 70 | "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| 71 | ] |
| 72 | } |
| 73 | |
| 74 | tool("asm") { |
| 75 | depfile = "{{output}}.d" |
| 76 | command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}" |
| 77 | depsformat = "gcc" |
| 78 | outputs = [ |
| 79 | "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| 80 | ] |
| 81 | } |
| 82 | |
| 83 | tool("alink") { |
| 84 | command = "rm -f {{output}} && $ar rcs {{output}} {{inputs}}" |
| 85 | outputs = [ |
| 86 | "{{target_out_dir}}/{{target_output_name}}{{output_extension}}", |
| 87 | ] |
| 88 | default_output_extension = ".a" |
| 89 | output_prefix = "lib" |
| 90 | } |
| 91 | |
| 92 | tool("solink") { |
| 93 | soname = "{{target_output_name}}{{output_extension}}" |
| 94 | |
| 95 | rpath = "-Wl,-soname,$soname" |
| 96 | if (is_mac) { |
| 97 | rpath = "-Wl,-install_name,@rpath/$soname" |
| 98 | } |
| 99 | |
| 100 | command = "$cxx -shared {{ldflags}} {{inputs}} {{solibs}} {{libs}} $rpath -o {{output}}" |
| 101 | outputs = [ |
| 102 | "{{root_out_dir}}/$soname", |
| 103 | ] |
| 104 | output_prefix = "lib" |
| 105 | default_output_extension = ".so" |
| 106 | } |
| 107 | |
| 108 | tool("link") { |
| 109 | command = "$cxx {{ldflags}} {{inputs}} {{solibs}} {{libs}} -o {{output}}" |
| 110 | outputs = [ |
| 111 | "{{root_out_dir}}/{{target_output_name}}{{output_extension}}", |
| 112 | ] |
| 113 | } |
| 114 | |
| 115 | tool("stamp") { |
| 116 | command = "touch {{output}}" |
| 117 | } |
| 118 | |
| 119 | tool("copy") { |
| 120 | command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})" |
| 121 | } |
| 122 | } |