/** * @file work_arounds.cc * * @section LICENSE * * The MIT License * * @copyright Copyright (c) 2017-2020 TileDB, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @section DESCRIPTION * * This file contains one-off work arounds for external issues. */ // This is a work-around for a gcc bug that was fixed in v6.0: // https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1568899 // // We've also seen this issue on gcc v7. // // The C++ AWS SDK v1.7 introduced this bug into our build because it // references the hidden gcc symbol '__cpu_model'. To fix this, we // redefine it here with public visibility. // // The struct may not need to strictly match the definition in the gcc // library, but we're matching it here to be safe. // // For reference, the gcc definition can be found here: // https://github.com/gcc-mirror/gcc/blob/d353bf189d2bbaf4059f402ee4d2a5ea074c349f/libgcc/config/i386/cpuinfo.c #if __GNUC__ > 0 __attribute__((visibility("default"))) struct __processor_model { unsigned int __cpu_vendor; unsigned int __cpu_type; unsigned int __cpu_subtype; unsigned int __cpu_features[1]; } __cpu_model; #endif