Add fpic to grpc builds

Signed-off-by: Ettore Di Giacinto <[email protected]>

Author: mudler

backend/cpp/grpc/Makefile

@@ -27,6 +27,7 @@ CMAKE_ARGS+=-DgRPC_BUILD_GRPC_RUBY_PLUGIN=OFF
 CMAKE_ARGS+=-Dprotobuf_WITH_ZLIB=ON
 CMAKE_ARGS+=-DRE2_BUILD_TESTING=OFF
 CMAKE_ARGS+=-DCMAKE_INSTALL_PREFIX=../$(INSTALLED_PACKAGES)
+CMAKE_ARGS+=-DCMAKE_POSITION_INDEPENDENT_CODE=ON
 
 # windows need to set OPENSSL_NO_ASM. Results in slower crypto performance but doesn't build otherwise.
 # May be resolvable, but for now its set. More info: https://stackoverflow.com/a/75240504/480673