On 10/19/06, Dan Nicholson <[EMAIL PROTECTED]> wrote:
On 9/28/06, Jim Gifford <[EMAIL PROTECTED]> wrote:
> Found the second on besides Dan's util-linux one. Vsftpd, caused by the
> syscalls being removed from unistd.h, anyone got any ideas.
> gcc -m64 -c sysdeputil.c -O2 -Wall -W -Wshadow -idirafter dummyinc
> sysdeputil.c:162: error: expected declaration specifiers or '...' before
> 'capset'
Hey Jim. I don't know if you ever figured this one out. I'm not nearly
cool enough to solve this the real way, but I looked at sysdeputil.c.
I think one "solution" is to install libcap, which provides
sys/capability.h. Then it will skip the whole _syscall2() call. libcap
is here:
http://www.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.4/
I haven't tested it, but it looks like it would do what you needed.
The comments there suggest the same.
As a quick follow up to this "solution", I figured out why I didn't
see a solution in Fedora where I expected to see all these header
solutions. They link to libcap unconditionally, which skips the whole
syscall. They've been doing it for a long time. Part of the reason is
the using _syscall* directly can't result in PIC code on x86. I need
to get the Optional Dependency on libcap into BLFS.
--
Dan
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