There are many compatibility issues with echo -e, scratch that.
$(o)proto-build.c: Makefile $(lastword $(MAKEFILE_LIST)) $(objdir)/.dir-stamp
$(E)echo GEN $@
- $(Q)echo "\n $(patsubst %, void %_build(void);\n,$(PROTO_BUILD))\nvoid protos_build_gen(void) {\n $(patsubst %, %_build();\n,$(PROTO_BUILD))}" > $@
+ $(Q)echo "$(patsubst %,void %_build(void); ,$(PROTO_BUILD)) void protos_build_gen(void) { $(patsubst %, %_build(); ,$(PROTO_BUILD))}" > $@
prepare: $(o)proto-build.c