On Mon, Dec 22, 2008 at 01:42:21PM +1100, Stephen Rothwell wrote:
> (Just cc'ing Sam)
>
> On Sun, 21 Dec 2008 17:31:10 -0800 Greg KH <greg@xxxxxxxxx> wrote:
> >
> > On Mon, Dec 22, 2008 at 11:33:35AM +1100, Stephen Rothwell wrote:
> > > Hi Greg,
> > >
> > > Today's linux-next build (x86_64 allmodconfig) failed like this:
> > >
> > > x86_64-linux-ld: drivers/net/wimax/built-in.o: No such file: No such file or directory
> > >
> > > I reverted commit 66aa675719ab82a03a66b75210fd40be6541f8fb ("wimax:
> > > Makefile, Kconfig and docbook linkage for the stack") just to make the
> > > build work.
> >
> > Inaky, any ideas? This really looks like a build system error that I
> > ran into with the staging tree in the past. I had to add a "dummy" file
> > to the empty directory to get it to build properly.
> >
> > I tried to duplicate the problem with a sample patch, but never could :(
Incidentally I sent some review comments to said patch yesterday
but missed this one.
We have:
diff --git a/drivers/net/wimax/Makefile b/drivers/net/wimax/Makefile
new file mode 100644
index 0000000..bda9430
--- /dev/null
+++ b/drivers/net/wimax/Makefile
@@ -0,0 +1,2 @@
+
+obj-$(CONFIG_WIMAX_I2400M) += i2400m/
But the problem here is that because we do not even pretend to
build some files in this dir thus kbuild does not create build-in.o
The fix is a bit ugly but simple. Add a dummy statement to
the drivers/net/wimax/Makefile like this:
# force kbuild to create built-in.o
obj- := dummy.o
Sam
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