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SubjectRe: /usr/include/linux/errno.h:1:23: fatal error: asm/errno.h: No such file or directory
On Sun, Dec 16, 2012 at 09:39:01AM +0800, Jeff Chua wrote:
> On Sun, Dec 16, 2012 at 9:28 AM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> > On Sun, Dec 16, 2012 at 09:23:38AM +0800, Jeff Chua wrote:
> >> How should the symbolic links be setup to compile the latest kernel?
> >>
> >>
> >> Currently I had these links and kernels compiled fine until 2 days ago.
> >>
> >> asm -> /usr/src/linux/include/uapi/asm-generic/
> >> asm-generic -> /usr/src/linux/include/uapi/asm-generic
> >> linux -> /usr/src/linux/include/uapi/linux
> >
> > What symlinks? /usr/include/* should not contain any symlinks into
> > the kernel source. At all.
>
> Al,
>
> Oh, perhaps I'm having the right setup. Where should I get the kernel
> headers.

From your libc. Which ought to have its own copies, normally coming from
make headers_install in kernel source. And yes, it had been that way
for many years by now. Userland should *not* blindly grab the kernel
headers.

Incidentally, your 'asm' is obviously bogus - the headers that should end
up there ought to come from arch/<whatever>/include/uapi/asm (and _not_
by pointing a symlink to it); yours points to the place where asm-generic
ones ought to have been copied from.


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