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From: Philipp Stephani
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Subject: Re: Build failure: 'seccomp-filter'
Date: Sun, 11 Apr 2021 16:40:18 +0200
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Cc: Eli Zaretskii , Emacs developers
To: Colin Baxter
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Am So., 11. Apr. 2021 um 16:31 Uhr schrieb Philipp :
>
>
>
> > Am 11.04.2021 um 12:45 schrieb Colin Baxter :
> >
> >>>>>> Philipp Stephani writes:
> >
> >> Am So., 11. Apr. 2021 um 09:51 Uhr schrieb Colin Baxter
> >> :
> >>>
> >>>>>>>> Eli Zaretskii writes:
> >>>
> >>>>> From: Colin Baxter Cc: Date: Sun, 11 Apr
> >>> 2021 >> 07:45:19 +0100
> >>>>>
> >>>>> I get a build with the latest pull of emacs:
> >>>>>
> >>>>> Makefile:415: recipe for target 'seccomp-filter' failed
> >>> make[1]: >> *** [seccomp-filter] Error 1 make[1]: Leaving
> >>> directory >> '/home/redknight/git/emacs/lib-src' Makefile:396:
> >>> recipe for >> target 'lib-src' failed make: *** [lib-src] Error 2
> >>>
> >>>> Are there no error or warning messages before the
> >>> "Makefile:415" > one? If there are, please show all the
> >>> messages.
> >>>
> >>> Yes, sorry, I missed the earlier errors. Here is the full list
> >>> beginning after the attempt to compile seccomp-filter:
> >>>
> >>> ---------- Begin error list ------------
> >>>
> >>> CCLD seccomp-filter seccomp-filter.c: In function =E2=80=98main=E2=80=
=99:
> >>> seccomp-filter.c:142:23: error: =E2=80=98SCMP_ACT_KILL_PROCESS=E2=80=
=99
> >>> undeclared (first use in this function) ctx =3D seccomp_init
> >>> (SCMP_ACT_KILL_PROCESS); ^~~~~~~~~~~~~~~~~~~~~
> >
> >
> >> This is an interesting failure. Looks like seccomp.h exists on
> >> your system, but doesn't contain the right definitions? What does
> >> your config.log say about seccomp.h (not linux/seccomp.h) and
> >> seccomp_init?
> >
> > I have appended below the occurrences in config.log for seccomp.h. (Do
> > you want me to attach the whole config.log in a second email?) The only
> > other mentions are multiple lines of the form
> >
> > 5090:| #define HAVE_LINUX_SECCOMP_H 1
> >
> > ending with
> >
> > 27758:ac_cv_header_linux_seccomp_h=3Dyes
> > 27771:ac_cv_header_seccomp_h=3Dyes
> > 29332:#define HAVE_LINUX_SECCOMP_H 1
> >
> > Hope this helps.
> >
> > ---------- Begin relevant portion of config.log -----------
> >
> > configure:17719: checking linux/seccomp.h usability
> > configure:17719: gcc -c -g3 -O2 -pthread -isystem /usr/include/librsvg=
-2.0 -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/libpng16 -i=
system /usr/include/cairo -isystem /usr/include/glib-2.0 -isystem /usr/lib/=
i386-linux-gnu/glib-2.0/include -isystem /usr/include/pixman-1 -isystem /us=
r/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/ca=
iro -isystem /usr/include/glib-2.0 -isystem /usr/lib/i386-linux-gnu/glib-2.=
0/include -isystem /usr/include/pixman-1 -isystem /usr/include/freetype2 -i=
system /usr/include/libpng16 conftest.c >&5
> > configure:17719: $? =3D 0
> > configure:17719: result: yes
> > configure:17719: checking linux/seccomp.h presence
> > configure:17719: gcc -E conftest.c
> > configure:17719: $? =3D 0
> > configure:17719: result: yes
> > configure:17719: checking for linux/seccomp.h
> > configure:17719: result: yes
> > configure:17731: checking seccomp.h usability
> > configure:17731: gcc -c -g3 -O2 -pthread -isystem /usr/include/librsvg=
-2.0 -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/libpng16 -i=
system /usr/include/cairo -isystem /usr/include/glib-2.0 -isystem /usr/lib/=
i386-linux-gnu/glib-2.0/include -isystem /usr/include/pixman-1 -isystem /us=
r/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/ca=
iro -isystem /usr/include/glib-2.0 -isystem /usr/lib/i386-linux-gnu/glib-2.=
0/include -isystem /usr/include/pixman-1 -isystem /usr/include/freetype2 -i=
system /usr/include/libpng16 conftest.c >&5
> > configure:17731: $? =3D 0
> > configure:17731: result: yes
> > configure:17731: checking seccomp.h presence
> > configure:17731: gcc -E conftest.c
> > configure:17731: $? =3D 0
> > configure:17731: result: yes
> > configure:17731: checking for seccomp.h
> > configure:17731: result: yes
> > configure:17733: checking for seccomp_init in -lseccomp
> > configure:17758: gcc -o conftest -g3 -O2 -pthread -isystem /usr/includ=
e/librsvg-2.0 -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/li=
bpng16 -isystem /usr/include/cairo -isystem /usr/include/glib-2.0 -isystem =
/usr/lib/i386-linux-gnu/glib-2.0/include -isystem /usr/include/pixman-1 -is=
ystem /usr/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/i=
nclude/cairo -isystem /usr/include/glib-2.0 -isystem /usr/lib/i386-linux-gn=
u/glib-2.0/include -isystem /usr/include/pixman-1 -isystem /usr/include/fre=
etype2 -isystem /usr/include/libpng16 conftest.c -lseccomp -lX11 -=
lcairo >&5
> > configure:17758: $? =3D 0
> > configure:17767: result: yes
> >
> > ---------- End relevant portion of config.log ----
> >
> >
>
>
> OK, looks like libseccomp is available and should be working. Does /usr/=
include/seccomp.h contain at least some of the symbols the compiler complai=
ns about?
>
Looking at https://github.com/seccomp/libseccomp/blob/main/CHANGELOG,
I guess we need at least version 2.4.0 of libseccomp. I'll see that I
can add a few more checks to configure.ac.