[ntp:questions] Trying to compile ntp-dev-4.2.7p485-RC
Harlan Stenn
stenn at ntp.org
Mon Dec 15 01:42:24 UTC 2014
Brent Gordon writes:
> If I try to compile the latest dev version of NTP using =
>
> --enable-linuxcaps I get the following error:
>
> CC ntpd.o
> ntpd.c: In function =91ntpdmain=92:
> ntpd.c:970:4: error: unknown type name =91cap_t=92
> cap_t caps;
> ^
>
>
> This is at the make stage; I've already done the configure. By default,
> --enable-linuxcaps is enabled.
... if support for it exists.
> Is this a bug or a problem with my system?
I'm thinking the first thing to do is not force --enable-linuxcaps .
That will be done for you if sys/compatibility.h and sys/prctl.h exist.
Since you are not getting messages about how either one of those files
don't exist, it's not the issue and is just a simplification to your
setup.
> I had the same problem that David Taylor had with timepps.h being in
> /usr/include/sys instead of /usr/include. In addition, capability.h was
> in /usr/include/linux instead of /usr/include/sys. Both issues were
> fixed with soft links.
If you need to link both copies of timepps.h then your distro has made
changes that are "not the same" as what everybody else is doing.
> configure command:
> ./configure --enable-parse-clocks --enable-debugging=3Dno --enable-linuxcaps=3Dyes
> System info:
> uname -a
> Linux hostname 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC =
>
> 2014 x86_64 x86_64 x86_64 GNU/Linux
>
> lsb_release -a
> Distributor ID: Ubuntu
> Description: Ubuntu 14.04.1 LTS
> Release: 14.04
> Codename: trusty
The next trick will be for you to figure out why cap_t isn't being found
in the place others find it (sys/capability.h).
H
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