[PATCH] Look for ioctl definitions in the kernel build tree
Dmitry V. Levin
ldv at altlinux.org
Sat Nov 1 01:02:05 UTC 2014
On Thu, Oct 16, 2014 at 12:05:43PM +0200, Lubomir Rintel wrote:
> The kernel's headers are not installed into /usr/include, nor are the Kbuild
> files. Howerver, if linux/ioctlent.sh doesn't see the Kbuild file, it wrongly
> assumes we just have an old tree and happily proceeds, leaving many ioctl
> definitions out.
> Let's look into the build tree instead. Kernel makes a symlink from moduledir
> after modules_install into the build tree -- let's use that one. This also
> plays nicely with distribution packaged kernel build trees. Prefer one for the
> running kernel, pick any other if not found and fall back to old behavior.
> Signed-off-by: Lubomir Rintel <lkundrak at v3.sk>
> This ought to fix the broken distribution issue reported downstream .
>  https://bugzilla.redhat.com/show_bug.cgi?id=1149126
> For a proper tarball being generated one needs to either install kernel from
> source using make modules_install headers_install or install distribution
> packages (pkcon install kernel-devel kernel-headers).
> I'm not sure the patch is good as it is; it introduces a GNU Make-ism ($(shell
> )), I'm not sure whether that's okay. Feel free to improve.
$(shell uname -r) is ok, it is already used by news-check.
> +# Candidates for kernel build tree
> +KERNEL_INCLUDE = /lib/modules/$(shell uname -r)/build/include
Unfortunately, this is not sufficient: the system where I run "make-dist"
script does not provide /lib/modules/$(shell uname -r)/build/include/, so
I'll have to fix it myself.
> +KERNEL_INCLUDE += /lib/modules/*/build/include
That kind of fallback shouldn't be needed anyway.
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