| Message ID | 1520471103-10089-2-git-send-email-yamada.masahiro@socionext.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 03/08/2018 09:04 AM, Masahiro Yamada wrote: > In the context ... > > $(obj)/%.s: $(src)/%.c FORCE > $(call if_changed_dep,cc_s_c) > > $(obj)/%.i: $(src)/%.c FORCE > $(call if_changed_dep,cpp_i_c) > > $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE > $(call cmd,force_checksrc) > $(call if_changed_rule,cc_o_c) > > $(obj)/%.lst: $(src)/%.c FORCE > $(call if_changed_dep,cc_lst_c) > > '$*' returns the stem of the target (the part of '%'), so $(obj)/ has > already been ripped off. > > $(subst $(obj)/,,$*.o) is the same as $(*.o) > > Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> > --- > > scripts/Makefile.lib | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index 5589bae..a7e315f 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -175,7 +175,7 @@ dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ > > # Finds the multi-part object the current object will be linked into > modname-multi = $(sort $(foreach m,$(multi-used),\ > - $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) > + $(if $(filter $*.o, $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) > > # Useful for describing the dependency of composite objects > # Usage: > A subtle catch! And in my test, a debug line $(info $@ = $*) in rule: $(obj)/%.o: $(src)/%.c xxx does tell me it is correct. So, Reviewed-by: Cao jin <caoj.fnst@cn.fujitsu.com>
2018-03-08 10:04 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>: > In the context ... > > $(obj)/%.s: $(src)/%.c FORCE > $(call if_changed_dep,cc_s_c) > > $(obj)/%.i: $(src)/%.c FORCE > $(call if_changed_dep,cpp_i_c) > > $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE > $(call cmd,force_checksrc) > $(call if_changed_rule,cc_o_c) > > $(obj)/%.lst: $(src)/%.c FORCE > $(call if_changed_dep,cc_lst_c) > > '$*' returns the stem of the target (the part of '%'), so $(obj)/ has > already been ripped off. > > $(subst $(obj)/,,$*.o) is the same as $(*.o) Log fix-up: ... is the same as $*.o > Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> > --- > > scripts/Makefile.lib | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index 5589bae..a7e315f 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -175,7 +175,7 @@ dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ > > # Finds the multi-part object the current object will be linked into > modname-multi = $(sort $(foreach m,$(multi-used),\ > - $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) > + $(if $(filter $*.o, $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) > > # Useful for describing the dependency of composite objects > # Usage: > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 5589bae..a7e315f 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -175,7 +175,7 @@ dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ # Finds the multi-part object the current object will be linked into modname-multi = $(sort $(foreach m,$(multi-used),\ - $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) + $(if $(filter $*.o, $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) # Useful for describing the dependency of composite objects # Usage:
In the context ... $(obj)/%.s: $(src)/%.c FORCE $(call if_changed_dep,cc_s_c) $(obj)/%.i: $(src)/%.c FORCE $(call if_changed_dep,cpp_i_c) $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE $(call cmd,force_checksrc) $(call if_changed_rule,cc_o_c) $(obj)/%.lst: $(src)/%.c FORCE $(call if_changed_dep,cc_lst_c) '$*' returns the stem of the target (the part of '%'), so $(obj)/ has already been ripped off. $(subst $(obj)/,,$*.o) is the same as $(*.o) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- scripts/Makefile.lib | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)