Darren Krahn | 0762a2e | 2021-02-05 15:41:20 -0800 | [diff] [blame] | 1 | # Copyright 2020 Google LLC |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | # use this file except in compliance with the License. You may obtain a copy of |
| 5 | # the License at |
| 6 | # |
| 7 | # https://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, WITHOUT |
| 11 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | # License for the specific language governing permissions and limitations under |
| 13 | # the License. |
| 14 | |
| 15 | import("//build_overrides/pigweed.gni") |
| 16 | import("$dir_pigweed/targets/host/target_toolchains.gni") |
| 17 | import("$dir_pw_toolchain/generate_toolchain.gni") |
| 18 | |
Darren Krahn | 0762a2e | 2021-02-05 15:41:20 -0800 | [diff] [blame] | 19 | config("common_config") { |
| 20 | include_dirs = [ "//include" ] |
| 21 | |
| 22 | # No language extensions, to promote portability. |
| 23 | cflags_c = [ |
Andrew Scull | 8ff2adf | 2021-10-15 11:25:57 +0000 | [diff] [blame] | 24 | "-Wvla", |
Darren Krahn | 0762a2e | 2021-02-05 15:41:20 -0800 | [diff] [blame] | 25 | "-std=c99", |
| 26 | "-pedantic", |
| 27 | ] |
Andrew Scull | 5c482c0 | 2021-04-06 11:06:56 +0000 | [diff] [blame] | 28 | |
| 29 | # Modern C++ for test and tooling. |
| 30 | cflags_cc = [ "-std=c++20" ] |
Darren Krahn | 0762a2e | 2021-02-05 15:41:20 -0800 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | config("enable_sanitizers") { |
| 34 | filter_path = rebase_path("sanitize_filter.txt", root_build_dir) |
| 35 | cflags = [ |
| 36 | "-fsanitize=address,undefined,integer", |
| 37 | "-fsanitize-blacklist=$filter_path", |
| 38 | ] |
| 39 | ldflags = cflags |
| 40 | inputs = [ "sanitize_filter.txt" ] |
| 41 | } |
| 42 | |
| 43 | config("enable_fuzzer") { |
| 44 | cflags = [ |
| 45 | "-fsanitize=fuzzer", |
| 46 | "-O1", |
| 47 | "-fno-omit-frame-pointer", |
| 48 | "-fno-optimize-sibling-calls", |
| 49 | ] |
| 50 | ldflags = cflags |
| 51 | } |
| 52 | |
| 53 | # Define a scope for each toolchain that can be fed into generate_toolchain. |
| 54 | _host_debug = { |
| 55 | # Use Pigweed's host_clang_debug toolchain as a base. |
| 56 | _toolchain_base = pw_target_toolchain_host.clang_debug |
| 57 | |
| 58 | # Forward everything except the defaults scope from that toolchain. |
| 59 | forward_variables_from(_toolchain_base, "*", [ "defaults" ]) |
| 60 | |
| 61 | defaults = { |
| 62 | # Forward everything from the base toolchain's defaults. |
| 63 | forward_variables_from(_toolchain_base.defaults, "*") |
| 64 | |
| 65 | # Extend with custom build arguments for the target. |
| 66 | default_configs += [ |
| 67 | "//toolchains:common_config", |
| 68 | "//toolchains:enable_sanitizers", |
| 69 | ] |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | _host_fuzz = { |
| 74 | # Use Pigweed's host_clang_debug toolchain as a base. |
| 75 | _toolchain_base = pw_target_toolchain_host.clang_debug |
| 76 | |
| 77 | # Forward everything except the defaults scope from that toolchain. |
| 78 | forward_variables_from(_toolchain_base, "*", [ "defaults" ]) |
| 79 | |
| 80 | defaults = { |
| 81 | # Forward everything from the base toolchain's defaults. |
| 82 | forward_variables_from(_toolchain_base.defaults, "*") |
| 83 | |
| 84 | # Extend with custom build arguments for the target. |
| 85 | default_configs += [ |
| 86 | "//toolchains:common_config", |
| 87 | "//toolchains:enable_sanitizers", |
| 88 | "//toolchains:enable_fuzzer", |
| 89 | ] |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | _host_optimized = { |
| 94 | # Use Pigweed's host_clang_size_optimized toolchain as a base. |
| 95 | _toolchain_base = pw_target_toolchain_host.clang_size_optimized |
| 96 | |
| 97 | # Forward everything except the defaults scope from that toolchain. |
| 98 | forward_variables_from(_toolchain_base, "*", [ "defaults" ]) |
| 99 | |
| 100 | defaults = { |
| 101 | # Forward everything from the base toolchain's defaults. |
| 102 | forward_variables_from(_toolchain_base.defaults, "*") |
| 103 | |
| 104 | # Extend with custom build arguments for the target. |
| 105 | default_configs += [ "//toolchains:common_config" ] |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | # Create the actual GN toolchains. |
| 110 | generate_toolchain("host_debug") { |
| 111 | forward_variables_from(_host_debug, "*") |
| 112 | } |
| 113 | |
| 114 | generate_toolchain("host_fuzz") { |
| 115 | forward_variables_from(_host_fuzz, "*") |
| 116 | } |
| 117 | |
| 118 | generate_toolchain("host_optimized") { |
| 119 | forward_variables_from(_host_optimized, "*") |
| 120 | } |