On Sat, May 21, 2011 at 09:54:50PM -0400, Jon Ringle wrote:
> On Sat, May 21, 2011 at 6:05 AM, Michael Olbrich
> <[email protected]>wrote:
> 
> > On Sat, May 21, 2011 at 01:27:13AM -0400, Jon Ringle wrote:
> > > By using lndir, the .ko files are kept separate from the src directory
> > > and building multiple architectures can be supported
> > >
> > > Signed-off-by: Jon Ringle <[email protected]>
> > > ---
> > >  rules/templates/template-src-linux-driver-in   |    1 +
> > >  rules/templates/template-src-linux-driver-make |   39
> > ++++++++++++++++--------
> > >  2 files changed, 27 insertions(+), 13 deletions(-)
> > >
> > > diff --git a/rules/templates/template-src-linux-driver-in
> > b/rules/templates/template-src-linux-driver-in
> > > index 7cb61c8..6edb6bc 100644
> > > --- a/rules/templates/template-src-linux-driver-in
> > > +++ b/rules/templates/template-src-linux-driver-in
> > > @@ -3,6 +3,7 @@
> > >  config @PACKAGE@
> > >       tristate
> > >       select KERNEL
> > > +     select HOST_LNDIR
> >
> > This is not sufficient. The dependency is created for prepare not extract.
> > I think dgen must generate something like this:
> >
> > ifneq ($(findstring lndir://,$(<PKG>_URL)),)
> > $(STATEDIR)/<pkg>.extract: $(STATEDIR)/<lndir>.install
> > endif
> >
> Is the above for template-src-linux-driver-make? If I do that, do I remove
> the select HOST_LNDIR from template-src-linux-driver-in?

No, something like this must be generaged by scripts/lib/ptxd_lib_dgen.awk
for all packages.

> > and lndir must default to 'y' and lndir.make must have:
> > LAZY_PACKAGES-$(PTXCONF_HOST_LNDIR) += lndir

This is instead of HOST_PACKAGES. LAZY_PACKAGES are always enabled. But
they are only built if one of the generated ifneq from above is true.

> >
> > Or something like this.
> >
> > Ok
> 
> 
> > >       prompt "@package@"
> > >       help
> > >         FIXME
> > > diff --git a/rules/templates/template-src-linux-driver-make
> > b/rules/templates/template-src-linux-driver-make
> > > index 6d6b385..dfe35eb 100644
> > > --- a/rules/templates/template-src-linux-driver-make
> > > +++ b/rules/templates/template-src-linux-driver-make
> > > @@ -18,7 +18,7 @@ PACKAGES-$(PTXCONF_@PACKAGE@) += @package@
> > >  #
> > >  @PACKAGE@_VERSION    := @VERSION@
> > >  @PACKAGE@            := @package@-$(@PACKAGE@_VERSION)
> > > -@PACKAGE@_SRCDIR             :=
> > $(PTXDIST_WORKSPACE)/local_src/$(@PACKAGE@)
> > > +@PACKAGE@_URL                :=
> > lndir://$(PTXDIST_WORKSPACE)/local_src/$(@PACKAGE@)
> > >  @PACKAGE@_DIR                := $(BUILDDIR)/$(@PACKAGE@)
> > >  @PACKAGE@_LICENSE    := unknown
> > >
> > > @@ -48,14 +48,7 @@ $(STATEDIR)/@[email protected]:
> > >
> > >  $(STATEDIR)/@[email protected]:
> > >       @$(call targetinfo)
> > > -#    # The kernel cannot build an out-of-tree driver out-of-tree :-)
> > > -#    # So we make a local copy.
> > > -     rm -fr $(@PACKAGE@_DIR)
> > > -     cp -a $(@PACKAGE@_SRCDIR) $(@PACKAGE@_DIR)
> > > -     $(KERNEL_PATH) $(KERNEL_ENV) $(MAKE) $(KERNEL_MAKEVARS) \
> > > -             -C $(KERNEL_DIR) \
> > > -             M=$(@PACKAGE@_DIR) \
> > > -             modules
> > > +     cd $(@PACKAGE@_DIR) && $(KERNEL_PATH) $(KERNEL_ENV) $(MAKE)
> > $(KERNEL_MAKEVARS)
> >
> > You're changing a lot of unrelated stuff here, why?
> >
> The above is not unrelated. With lndir, there is no need to make a copy,
> because lndir created a shadow tree with symlinks for all the files. The
> kernel module can be build a normal.

I understand that there is no need to copy, but you're removing several of
the make arguments.

Michael

> > >       @$(call touch)
> > >
> > >  #
> > ----------------------------------------------------------------------------
> > > @@ -64,6 +57,11 @@ $(STATEDIR)/@[email protected]:
> > >
> > >  $(STATEDIR)/@[email protected]:
> > >       @$(call targetinfo)
> > > +     @$(call clean, $(@PACKAGE@_PKGDIR))
> > > +     cd $(@PACKAGE@_DIR) && $(KERNEL_PATH) $(KERNEL_ENV) $(MAKE) \
> > > +             $(filter-out INSTALL_MOD_PATH=%,$(KERNEL_MAKEVARS)) \
> > > +             INSTALL_MOD_PATH=$(@PACKAGE@_PKGDIR) \
> > > +             modules_install
> > >       @$(call touch)
> > >
> > >  #
> > ----------------------------------------------------------------------------
> > > @@ -72,10 +70,25 @@ $(STATEDIR)/@[email protected]:
> > >
> > >  $(STATEDIR)/@[email protected]:
> > >       @$(call targetinfo)
> > > -     $(KERNEL_PATH) $(KERNEL_ENV) $(MAKE) $(KERNEL_MAKEVARS) \
> > > -             -C $(KERNEL_DIR) \
> > > -             M=$(@PACKAGE@_DIR) \
> > > -             modules_install
> > > +     @$(call install_init, @package@)
> > > +     @$(call install_fixup, @package@, PACKAGE, @package@)
> > > +     @$(call install_fixup, @package@, PRIORITY, optional)
> > > +     @$(call install_fixup, @package@, VERSION, $(@PACKAGE@_VERSION))
> > > +     @$(call install_fixup, @package@, SECTION, base)
> > > +     @$(call install_fixup, @package@, AUTHOR, "@AUTHOR@")
> > > +     @$(call install_fixup, @package@, DEPENDS,)
> > > +     @$(call install_fixup, @package@, DESCRIPTION, missing)
> > > +
> > > +     @cd $(@PACKAGE@_PKGDIR) && \
> > > +     find lib -type d | while read dir; do \
> > > +             $(call install_copy, @package@, 0, 0, 0755, /$${dir}); \
> > > +     done
> > > +
> > > +     @cd $(@PACKAGE@_PKGDIR) && \
> > > +     find lib -name "*.ko" | while read file; do \
> > > +             $(call install_copy, @package@, 0, 0, 0644, -, /$${file},
> > k); \
> > > +     done
> >
> > This is broken. All external kernel modules are currently installed with
> > the kernel, so we can run depmod before packaging everything.
> > Also: you're missing the install_finish call.
> >
> Ok. I'll remove this part and restore the original. The reason I had the
> above was because I had a need in initramfs to only install specific kernel
> modules and not all of them. But this is unrelated to the lndir, so I just
> undo this hunk.


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