Re: Build failure: 'seccomp-filter'

[Philipp <p.stephani2@gmail.com>]

> Am 11.04.2021 um 12:45 schrieb Colin Baxter <m43cap@yandex.com>:
> 
>>>>>> Philipp Stephani <p.stephani2@gmail.com> writes:
> 
>> Am So., 11. Apr. 2021 um 09:51 Uhr schrieb Colin Baxter
>> <m43cap@yandex.com>:
>>> 
>>>>>>>> Eli Zaretskii <eliz@gnu.org> writes:
>>> 
>>>>> From: Colin Baxter <m43cap@yandex.com> 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 ‘main’:
>>> seccomp-filter.c:142:23: error: ‘SCMP_ACT_KILL_PROCESS’
>>> undeclared (first use in this function) ctx = 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=yes
>  27771:ac_cv_header_seccomp_h=yes
>  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 -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 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -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 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16     conftest.c >&5
> configure:17719: $? = 0
> configure:17719: result: yes
> configure:17719: checking linux/seccomp.h presence
> configure:17719: gcc -E     conftest.c
> configure:17719: $? = 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 -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 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -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 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16     conftest.c >&5
> configure:17731: $? = 0
> configure:17731: result: yes
> configure:17731: checking seccomp.h presence
> configure:17731: gcc -E     conftest.c
> configure:17731: $? = 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/include/librsvg-2.0 -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/libpng16 -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 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -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 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16       conftest.c -lseccomp  -lX11   -lcairo >&5 
> configure:17758: $? = 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 complains about?