| # Copyright 2023 The Pigweed Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| load( |
| "//cc_toolchain:defs.bzl", |
| "pw_cc_flag_set", |
| ) |
| |
| package(default_visibility = ["//visibility:public"]) |
| |
| licenses(["notice"]) |
| |
| # Optimization level option |
| pw_cc_flag_set( |
| name = "o2", |
| actions = [ |
| "@pw_toolchain//actions:all_c_compiler_actions", |
| "@pw_toolchain//actions:all_cpp_compiler_actions", |
| "@pw_toolchain//actions:all_link_actions", |
| ], |
| flags = ["-O2"], |
| ) |
| |
| # Optimization aggressively for size rather than speed option |
| pw_cc_flag_set( |
| name = "oz", |
| actions = [ |
| "@pw_toolchain//actions:all_c_compiler_actions", |
| "@pw_toolchain//actions:all_cpp_compiler_actions", |
| "@pw_toolchain//actions:all_link_actions", |
| ], |
| flags = ["-Oz"], |
| ) |
| |
| # Prevent relative paths from being converted to absolute paths. |
| pw_cc_flag_set( |
| name = "no_canonical_prefixes", |
| actions = [ |
| "@pw_toolchain//actions:all_c_compiler_actions", |
| "@pw_toolchain//actions:all_cpp_compiler_actions", |
| ], |
| flags = ["-no-canonical-prefixes"], |
| ) |
| |
| # Compile without runtime type information (RTTI). This produces smaller binaries. |
| pw_cc_flag_set( |
| name = "no_rtti", |
| actions = ["@pw_toolchain//actions:all_cpp_compiler_actions"], |
| flags = ["-fno-rtti"], |
| ) |
| |
| # Allow uses of the register keyword, which may appear in C headers. |
| pw_cc_flag_set( |
| name = "wno_register", |
| actions = ["@pw_toolchain//actions:all_cpp_compiler_actions"], |
| flags = ["-Wno-register"], |
| ) |
| |
| # Compile for the C++17 standard. |
| pw_cc_flag_set( |
| name = "c++17", |
| actions = [ |
| "@pw_toolchain//actions:all_cpp_compiler_actions", |
| "@pw_toolchain//actions:all_link_actions", |
| ], |
| flags = ["-std=c++17"], |
| ) |
| |
| # Issue a warning when a class appears to be polymorphic, yet it declares a |
| # non-virtual destructor |
| pw_cc_flag_set( |
| name = "wnon_virtual_dtor", |
| actions = ["@pw_toolchain//actions:all_cpp_compiler_actions"], |
| flags = ["-Wnon-virtual-dtor"], |
| ) |
| |
| # Standard compiler flags to reduce output binary size. |
| pw_cc_flag_set( |
| name = "reduced_size", |
| actions = [ |
| "@pw_toolchain//actions:all_c_compiler_actions", |
| "@pw_toolchain//actions:all_cpp_compiler_actions", |
| ], |
| flags = [ |
| "-fno-common", |
| "-fno-exceptions", |
| "-ffunction-sections", |
| "-fdata-sections", |
| ], |
| ) |
| |
| pw_cc_flag_set( |
| name = "debugging", |
| actions = [ |
| "@pw_toolchain//actions:all_c_compiler_actions", |
| "@pw_toolchain//actions:all_cpp_compiler_actions", |
| ], |
| flags = ["-g"], |
| ) |
| |
| pw_cc_flag_set( |
| name = "asan", |
| actions = [ |
| "@pw_toolchain//actions:all_compiler_actions", |
| "@pw_toolchain//actions:all_link_actions", |
| ], |
| flags = [ |
| "-fsanitize=address", |
| "-DADDRESS_SANITIZER", |
| ], |
| ) |