[MAKE] Generating /home/pcamille/tools/grpc-1.3.2/libs/opt/pkgconfig/grpc.pc
[MAKE] Generating /home/pcamille/tools/grpc-1.3.2/libs/opt/pkgconfig/grpc_unsecure.pc
[MAKE] Generating cache.mk
[C] Compiling src/core/lib/profiling/basic_timers.c
cc1: error: command line option ‘-std=c++11’ is valid for C++/ObjC++ but not for C [-Werror]
cc1: all warnings being treated as errors
Makefile:2470: recipe for target '/home/pcamille/tools/grpc-1.3.2/objs/opt/src/core/lib/profiling/basic_timers.o' failed
make: *** [/home/pcamille/tools/grpc-1.3.2/objs/opt/src/core/lib/profiling/basic_timers.o] Error 1