我正在为一个学校做项目,我们必须为c ++安装gRPC
和protocol buffer
依赖项。我在这里https://github.com/grpc/grpc/blob/master/BUILDING.md遵循构建说明
我在Ubuntu 19上构建,当我从根make
运行grpc/
时,出现以下错误。
src/cpp/common/channel_filter.cc: In member function ‘grpc_linked_mdelem* grpc::MetadataBatch::AddMetadata(const string&, const string&)’:
src/cpp/common/channel_filter.cc:33:48: error: ‘void* memset(void*, int, size_t)’ clearing an object of non-trivial type ‘grpc_linked_mdelem’ {aka ‘struct grpc_linked_mdelem’}; use assignment or value-initialization instead [-Werror=class-memaccess]
memset(storage, 0, sizeof(grpc_linked_mdelem));
^
In file included from ./src/core/lib/transport/transport.h:34,
from ./src/core/lib/channel/channel_stack.h:48,
from src/cpp/common/channel_filter.cc:21:
./src/core/lib/transport/metadata_batch.h:33:16: note: ‘grpc_linked_mdelem’ {aka ‘struct grpc_linked_mdelem’} declared here
typedef struct grpc_linked_mdelem {
^~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
make: *** [Makefile:2926: /home/n0auth/Project3/grpc/objs/opt/src/cpp/common/channel_filter.o] Error 1
我的protoc
版本
libprotoc 3.0.0
我的gcc
版本
gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
答案 0 :(得分:0)
看起来像降级为gcc-7
,而g++-7
为我工作。
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 70 --slave /usr/bin/g++ g++ /usr/bin/g++-7 --slave /usr/bin/gcov gcov /usr/bin/gcov-7
然后我将gcc-7设置为最高优先级
sudo update-alternatives --config gcc
然后我再次尝试make install
,并且没有错误。