2018-02-13 16:08 GMT+09:00 Cao jin <caoj.fnst@xxxxxxxxxxxxxx>: > BTW, I still have 2 questions. > > 1. In final build, why need > > GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" > > Doesn't GCC_PLUGINS_CFLAGS already exist in the environment? > > I also tested the Randomizing Structure Layout plugin with this patch, > the plugin seems works in my test. I have not tested, but GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" is probably unnecessary. > 2. scripts/link-vmlinux.sh seems just handle only one argument: clean. > So why shouldn't it be: To detect the change of $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) because link-vmlinux.sh depends on them. > diff --git a/Makefile b/Makefile > index ccd981892ef2..21d93b545381 100644 > --- a/Makefile > +++ b/Makefile > @@ -998,7 +998,7 @@ ARCH_POSTLINK := $(wildcard > $(srctree)/arch/$(SRCARCH)/Makefile.postlink) > > # Final link of vmlinux with optional arch pass after final link > cmd_link-vmlinux = \ > - $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \ > + $(CONFIG_SHELL) $<; \ > $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) > > vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE -- Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html