gRPC fails when building from source - grpc

Question

I'm doing a project for school and we have to install gRPC and protocol buffer dependencies for c++. I have been following the build instructions here https://github.com/grpc/grpc/blob/master/BUILDING.md
I am building on Ubuntu 19 and when I run make from the root grpc/ I get the below error.
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
My protoc version
libprotoc 3.0.0
My gcc version
gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0

Answer 1

Looks like downgrading to gcc-7 and g++-7 worked for me.
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
Then I set gcc-7 with highest priority
sudo update-alternatives --config gcc
Then I tried to make install again and there were no errors.