1# Copyright 2020 The Pigweed Authors 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 15import("//build_overrides/pigweed.gni") 16 17# Disable obnoxious ABI warning. 18# 19# GCC 7.1 adds an over-zealous ABI warning with little useful information 20# on how to resolve the issue. The warning you get is: 21# 22# note: parameter passing for argument of type '...' changed in GCC 7.1 23# 24# There is no other information, and searching for the error is needed to 25# understand what is happening. For upstream Pigweed, we compile from 26# source so this is irrelevant; so disable it. 27# 28# See: https://gcc.gnu.org/gcc-7/changes.html (search for "psabi"). 29# https://gcc.gnu.org/ml/gcc/2017-05/msg00073.html 30config("disable_psabi_warning") { 31 cflags = [ "-Wno-psabi" ] 32} 33 34config("mingw_z_format") { 35 if (host_os == "win") { 36 # MinGW can't handle %z format specifiers without this flag enabled. This 37 # flag is deprecated in future versions of MinGW, and should be replaced by 38 # setting __MINGW_FEATURES__=__MINGW_ANSI_STDIO__ when switching to a 39 # version of MinGW that uses the new flags. 40 cflags = [ "-D__USE_MINGW_ANSI_STDIO=1" ] 41 } 42} 43 44# GCC needs the -pthread option to support multithreading. This must be 45# specified to build e.g. pw_thread_stl. 46config("threading_support") { 47 ldflags = [ "-pthread" ] 48} 49