Re: Ubuntu mainline kernel builds now failing not able to find module.lds file

[Jessica Yu]

+++ Salvatore Bonaccorso [25/11/20 07:01 +0100]:
> Hi Steve,
>
> On Fri, Oct 30, 2020 at 12:43:24AM -0500, Steve French wrote:
> > I typically build cifs.ko for testing using the latest Ubuntu mainline
> > build - but building a module in the 5.10-rc1 kernel - while booted to
> > the 5.10-rc1 ubuntu mainlinekerel - e.g. "make C=1 -C
> > /usr/src/linux-headers-`uname -r` M=`pwd` modules
> > CF=-D__CHECK_ENDIAN__"
> > which has worked for years - no longer works.
> >
> > make: Entering directory '/usr/src/linux-headers-5.10.0-051000rc1-generic'
> > make[2]: *** No rule to make target 'scripts/module.lds', needed by
> > '/home/smfrench/cifs-2.6/fs/cifs/cifs.ko'.  Stop.
> > make[1]: *** [scripts/Makefile.modpost:117: __modpost] Error 2
> > make: *** [Makefile:1703: modules] Error 2
> > make: Leaving directory '/usr/src/linux-headers-5.10.0-051000rc1-generic'
> >
> > I don't see a file in scripts/module.lds in
> > /usr/src/linux-headers-5.10.0-051000rc1-generic/scripts directory
> >
> > copying from scripts/module.lds in the 5.10-rc1 git tree to
> > /usr/src/linux-headers-5.10.0-051000rc1-generic/scripts fixed the
> > problem but was wondering if this is just a packaging problem with
> > Ubuntu (missing a file in the kernel headers package for their
> > mainline daily builds?)
>
> There is 596b0474d3d9 ("kbuild: preprocess module linker script") in
> v5.10-rc1 causing this. So likely the packaging will need some
> adjustment to cope with that change?

Yeah, likely it's a distro packaging issue. We had to account for
scripts/module.lds recently on openSUSE for example:

   https://github.com/openSUSE/kernel-source/commit/fe37c160c33dc09edff1781810aa098a2c316e20

Jessica