grpc install error

[raja agireddy]

third_party/boringssl/crypto/bio/fd.c: In function ‘fd_ctrl’:

third_party/boringssl/crypto/bio/fd.c:192:11: error: this statement may fall through [-Werror=implicit-fallthrough=]

       num = 0;

       ~~~~^~~

third_party/boringssl/crypto/bio/fd.c:193:5: note: here

     case BIO_C_FILE_SEEK:

     ^~~~

cc1: all warnings being treated as errors

Makefile:2559: recipe for target '/home/ragiredd/CS6210_2/project3/grpc/objs/opt/third_party/boringssl/crypto/bio/fd.o' failed

make: *** [/home/ragiredd/CS6210_2/project3/grpc/objs/opt/third_party/boringssl/crypto/bio/fd.o] Error 1

[yas...@google.com]

What steps did you follow to install? implicit-fallthrough warnings should not be enabled.