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Bug#891520: marked as done (linux-libc-dev: headers from 4.15 cause "redefinition of 'struct in6_addr'" in libreswan)

Your message dated Tue, 31 May 2022 15:37:22 +0200
with message-id <4810725.0VBMTVartN@bagend>
and subject line Re: linux-libc-dev: headers from 4.15 cause "redefinition of 'struct in6_addr'" in libreswan
has caused the Debian Bug report #891520,
regarding linux-libc-dev: headers from 4.15 cause "redefinition of 'struct in6_addr'" in libreswan
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
891520: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891520
Debian Bug Tracking System
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--- Begin Message --- 
Package: linux-libc-dev
Version: 4.15.4-1
Severity: important
Tags: fixed-upstream
Control: affects -1 src:libreswan
X-Debbugs-CC: libreswan@packages.debian.org

Hi,

I noticed libreswan FTBFS in unstable with this error:
> In file included from /<<PKGBUILDDIR>>/programs/pluto/linux-copy/linux/xfrm.h:4:0,
>                  from /<<PKGBUILDDIR>>/programs/pluto/kernel_netlink.c:55:
> /usr/include/linux/in6.h:33:8: error: redefinition of 'struct in6_addr'
>  struct in6_addr {
>         ^~~~~~~~
> In file included from /<<PKGBUILDDIR>>/linux/include/libreswan.h:76:0,
>                  from /<<PKGBUILDDIR>>/programs/pluto/kernel_netlink.c:54:
> /usr/include/netinet/in.h:211:8: note: originally defined here
>  struct in6_addr
>         ^~~~~~~~
> In file included from /<<PKGBUILDDIR>>/programs/pluto/linux-copy/linux/xfrm.h:4:0,
>                  from /<<PKGBUILDDIR>>/programs/pluto/kernel_netlink.c:55:
> /usr/include/linux/in6.h:50:8: error: redefinition of 'struct sockaddr_in6'
>  struct sockaddr_in6 {
>         ^~~~~~~~~~~~
> In file included from /<<PKGBUILDDIR>>/linux/include/libreswan.h:76:0,
>                  from /<<PKGBUILDDIR>>/programs/pluto/kernel_netlink.c:54:
> /usr/include/netinet/in.h:252:8: note: originally defined here
>  struct sockaddr_in6
>         ^~~~~~~~~~~~
> In file included from /<<PKGBUILDDIR>>/programs/pluto/linux-copy/linux/xfrm.h:4:0,
>                  from /<<PKGBUILDDIR>>/programs/pluto/kernel_netlink.c:55:
> /usr/include/linux/in6.h:60:8: error: redefinition of 'struct ipv6_mreq'
>  struct ipv6_mreq {
>         ^~~~~~~~~
> In file included from /<<PKGBUILDDIR>>/linux/include/libreswan.h:76:0,
>                  from /<<PKGBUILDDIR>>/programs/pluto/kernel_netlink.c:54:
> /usr/include/netinet/in.h:288:8: note: originally defined here
>  struct ipv6_mreq
>         ^~~~~~~~~
> make[5]: *** [../../mk/depend.mk:34: kernel_netlink.o] Error 1
> make[4]: *** [../../mk/targets.mk:90: all] Error 2
> make[4]: Leaving directory '/<<PKGBUILDDIR>>/programs/pluto'
> make[3]: *** [../mk/targets.mk:90: recursive-all] Error 2
> make[3]: Leaving directory '/<<PKGBUILDDIR>>/programs'
> make[2]: *** [mk/targets.mk:90: recursive-all] Error 2
> make[2]: Leaving directory '/<<PKGBUILDDIR>>'
> make[1]: *** [debian/rules:23: override_dh_auto_build] Error 2
> make[1]: Leaving directory '/<<PKGBUILDDIR>>'
> make: *** [debian/rules:6: binary-arch] Error 2
> dpkg-buildpackage: error: debian/rules binary-arch subprocess returned exit status 2

See also this reproducible builds log:
> https://tests.reproducible-builds.org/debian/rbuild/unstable/amd64/libreswan_3.23-4.rbuild.log

This only happens when using linux headers from 4.15.

I think the cause of this was a change in 4.15 in the if_ether.h header.
It should be fixed by this upstream patch (applied in linus's tree but
not yet in stable):
https://www.spinics.net/lists/stable/msg215023.html

da360299b6734135a5f66d7db458dcc7801c826a
"uapi/if_ether.h: move __UAPI_DEF_ETHHDR libc define"

Thanks,
James

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--- Begin Message --- 
Version: linux/4.16~rc5-1~exp1

On Mon, 26 Feb 2018 11:44:30 +0000 James Cowgill <jcowgill@debian.org> wrote:
> Package: linux-libc-dev
> Version: 4.15.4-1
> Severity: important
> Tags: fixed-upstream

Upstream commit da360299b6734135a5f66d7db458dcc7801c826a part of v4.16-rc3 and 
included in Debian with 4.16~rc5-1~exp1, so closing with that version.

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