On Thu, Feb 14, 2008 at 03:04:04PM -0500, Mathieu Desnoyers wrote:
> * Sam Ravnborg ([EMAIL PROTECTED]) wrote:
> > On Thu, Feb 14, 2008 at 08:27:52AM -0500, Mathieu Desnoyers wrote:
> > > * Roland McGrath ([EMAIL PROTECTED]) wrote:
> > > >
> > > > The samples/ subdirectory contains only modules.
> > > > But the only make run done there is in commands for vmlinux.
> > > > I can't see why this was ever done in this nonstandard fashion.
> > > > As things stand, the modules don't get built by 'make modules'.
> > > >
> > > > I didn't make the addition of the directory use core-$(CONFIG_SAMPLES)
> > > > because there is no other conditional like that in the top-level
> > > > Makefile
> > > > and samples/Makefile already uses obj-$(CONFIG_SAMPLES) as if it expects
> > > > always to be included.
> > > >
> > >
> > > Sam, is this ok with the samples intent ? I think as long as we do not
> > > include them with the kernel image and have a "make samples" to build
> > > them, it's ok. Having them built upon make modules seems like a good
> > > idea to me.
> >
> > The samples code are supposed to be what the name says 'samples'.
> > This is not code that are supposed to be part of the built-in kernel.
> > This is not modules that are supposed to be installes when
> > installing modules.
> >
> > Adding it to core-y as Roland does in the patch below is plain
> > wrong as it enabled both points above.
> > The fact that the present code in samples/ does not do this is
> > in this respect irellevant.
> >
> > Do we have problems when to build the sampls - then lets
> > address this issue but not by trying to upgrade the samples
> > to first class citizen in the kernel - they are not that
> > and should not be handled like that.
> >
>
> Then is there some other way to have the samples built upon "make
> modules" that would not install them with other modules ?
The simple solution is like attached.
I do not care if they are build as part of vmlinux or modules build.
So if it is generally preferred we could move it like this.
Comments?
Sam
diff --git a/Makefile b/Makefile
index c162370..c72afa9 100644
--- a/Makefile
+++ b/Makefile
@@ -802,9 +802,6 @@ vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main)
vmlinux.o $(kallsyms.o)
ifdef CONFIG_HEADERS_CHECK
$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
endif
-ifdef CONFIG_SAMPLES
- $(Q)$(MAKE) $(build)=samples
-endif
$(call vmlinux-modpost)
$(call if_changed_rule,vmlinux__)
$(Q)rm -f .old_version
@@ -1036,6 +1033,9 @@ all: modules
PHONY += modules
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) >
$(objtree)/modules.order
+ifdef CONFIG_SAMPLES
+ $(Q)$(MAKE) $(build)=samples
+endif
@echo ' Building modules, stage 2.';
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
--
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