I'm stupid, it was defined in https://git.cinelerra-gg.org/git/?p=goodguy/cinelerra.git;a=blob;f=cinelerra... ifeq ($(OBJDIR), i686) 5 BOOTSTRAPFLAGS := -DBOOTSTRAP="\"objcopy -B i386 -I binary -O elf32-i386\"" 6 endif 7 8 ifeq ($(OBJDIR), x86_64) 9 BOOTSTRAPFLAGS := -DBOOTSTRAP="\"objcopy -B i386 -I binary -O elf64-x86-64\"" 10 endif 11 ifeq ($(OBJDIR), amd64) 12 BOOTSTRAPFLAGS := -DBOOTSTRAP="\"objcopy -B i386 -I binary -O elf64-x86-64\"" 13 endif --- so, i guess for ppc64 I need to add similar case with objcopy, just about ppc