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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| # Copyright (c) 2024 Project CHIP 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 | ||
| # | ||
| # http://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. | ||
|
|
||
| import("//build_overrides/build.gni") | ||
| import("//build_overrides/pigweed.gni") | ||
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| import("$dir_pigweed/targets/host/target_toolchains.gni") | ||
| import("${build_root}/toolchain/gcc_toolchain.gni") | ||
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| # creating a secondary toolchain to be used with pw_fuzzer FuzzTests | ||
| # This toolchain is downstreamed from pigweed's pw_target_toolchain_host.clang_fuzz | ||
| # it allows us to specifically use googletest for fuzzing (instead of the lighter version of googletest used for unit testing) | ||
|
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| gcc_toolchain("chip_pw_fuzztest") { | ||
| forward_variables_from(pw_target_toolchain_host.clang_fuzz, "*", [ "name" ]) | ||
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| toolchain_args = { | ||
| # This is needed to have the defaults passed from pw_target_toolchain_host.clang_fuzz to the current scope | ||
| forward_variables_from(defaults, "*") | ||
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| pw_unit_test_MAIN = "$dir_pw_fuzzer:fuzztest_main" | ||
| pw_unit_test_BACKEND = "$dir_pw_fuzzer:gtest" | ||
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| # The next three lines are needed by the gcc_toolchain template | ||
| current_os = host_os | ||
| current_cpu = host_cpu | ||
| is_clang = true | ||
|
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| # the upstream pigweed host_clang toolchain defines a default sysroot, which results in build errors | ||
| # since it does not include SSL lib and is supposed to be minimal by design. | ||
| # by removing this default config, we will use the system's libs. Otherwise we can define our own sysroot. | ||
| # discussion on: https://discord.com/channels/691686718377558037/1275092695764959232 | ||
| remove_default_configs = [ "$dir_pw_toolchain/host_clang:linux_sysroot" ] | ||
|
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| # when is_debug = true, we pass -O0 to cflags and ldflags, while upstream pw_fuzzer toolchain defines "optimize_speed" config that passes -O2. | ||
| # This condition was added to prevent mixing the flags | ||
| if (is_debug) { | ||
| remove_default_configs += [ "$dir_pw_build:optimize_speed" ] | ||
| } | ||
|
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| # removing pigweed downstreamed configs related to warnings | ||
| # These are triggering an error related to -Wcast-qual in third_party/nlio | ||
| remove_default_configs += [ | ||
| "$dir_pw_build:strict_warnings", | ||
| "$dir_pw_build:extra_strict_warnings", | ||
| ] | ||
|
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| # the third_party abseil-cpp triggers warnings related to [-Wformat-nonliteral] | ||
| treat_warnings_as_errors = false | ||
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| dir_pw_third_party_abseil_cpp = "//third_party/abseil-cpp/src" | ||
| dir_pw_third_party_fuzztest = "//third_party/fuzztest" | ||
| dir_pw_third_party_googletest = "//third_party/googletest" | ||
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| # TODO: Seems that re2 support within FuzzTest was deprecated, keeping it defined is triggering warning | ||
| # Remove if re2 is indeed not needed | ||
| # dir_pw_third_party_re2 = "//third_party/re2/src" | ||
| } | ||
| } |
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