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 template("third_party") { 7 enabled = !defined(invoker.enabled) || invoker.enabled 8 config(target_name + "_public") { 9 if (enabled) { 10 cflags = [] 11 if (defined(invoker.public_defines)) { 12 defines = invoker.public_defines 13 } 14 if (is_win && !is_clang) { 15 include_dirs = invoker.public_include_dirs 16 } else if (is_win && is_clang) { 17 foreach(dir, invoker.public_include_dirs) { 18 cflags += [ 19 "/imsvc", 20 rebase_path(dir), 21 ] 22 } 23 } else { 24 foreach(dir, invoker.public_include_dirs) { 25 cflags += [ 26 "-isystem", 27 rebase_path(dir), 28 ] 29 } 30 } 31 } else { 32 not_needed(invoker, "*") 33 } 34 } 35 36 # You can't make a static_library() without object files to archive, 37 # but we can treat targets without object files as a source_set(). 38 if (defined(invoker.sources)) { 39 _mode = "static_library" 40 } else { 41 _mode = "source_set" 42 } 43 44 target(_mode, target_name) { 45 if (enabled) { 46 forward_variables_from(invoker, "*", [ "public_include_dirs" ]) 47 public_configs = [ ":" + target_name + "_public" ] 48 49 # Warnings are just noise if we're not maintaining the code. 50 if (is_win) { 51 cflags = [ "/w" ] 52 } else { 53 cflags = [ "-w" ] 54 } 55 } 56 } 57 } 58 59 set_defaults("third_party") { 60 configs = default_configs 61 if (!is_official_build) { 62 # Official builds don't have warnings to begin with. 63 configs -= [ "//gn:warnings" ] 64 } 65 66 # Don't want to to deal with this (especially /RTCc) 67 if (sanitize == "MSVC") { 68 configs -= [ "//gn:msvc_rtc" ] 69 } 70 if (is_debug) { 71 configs += [ "//gn:optimize" ] 72 } 73 } 74 75 template("system") { 76 config(target_name + "_public") { 77 forward_variables_from(invoker, "*", []) 78 } 79 group(target_name) { 80 public_configs = [ ":" + target_name + "_public" ] 81 } 82 } 83
