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Re: Compiling Xen from source
Hello,
thanks for your infos. it appears the compilation process is not really straightforward. I had to patch some header files. then some of the firmwares were bugged. So I disabled some various checks in the firmwares Makefiles. I ended up with a: "no target for make all": configure passed all tests with werror disabled, but failed some tests with werror enabled.
finally "make dist-xen" always succeeds", but "make dist-tools" seems not bug-free.
So if you have additional advice I will try further. Also if you need volunteers to test extensively maybe i can help.
David
Hi,
On 9/16/20 12:00 AM, Andrew Cooper wrote:
> On 15/09/2020 21:16, David I wrote:
>> Hello,
>>
>> I am unable to mcompile xen-tools from source.
>>
>> here is the "stacktrace":
>>
>> ln -f xenstore xenstore-watch
>> gcc xenstore_control.o
>> -Wl,-rpath-link=/home/david/xen/xen/tools/xenstore/../../tools/libs/toolcore
>> /home/david/xen/xen/tools/xenstore/../../tools/xenstore/libxenstore.so
>> -ldl
>> /home/david/xen/xen/tools/xenstore/../../tools/libs/toolcore/libxentoolcore.so
>> -o xenstore-control
>> gcc -m64 -DBUILD_ID -fno-strict-aliasing -std=gnu99 -Wall
>> -Wstrict-prototypes -Wdeclaration-after-statement
>> -Wno-unused-but-set-variable -Wno-unused-local-typedefs -O2
>> -fomit-frame-pointer
>> -D__XEN_INTERFACE_VERSION__=__XEN_LATEST_INTERFACE_VERSION__ -MMD -MF
>> .xs_tdb_dump.o.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -Werror
>> -I. -include /home/david/xen/xen/tools/xenstore/../../tools/config.h
>> -I./include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/evtchn/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libxc/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/toollog/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/foreignmemory/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/devicemodel/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -D__XEN_TOOLS__
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/toolcore/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -DXEN_LIB_STORED="\"/var/lib/xenstored\""
>> -DXEN_RUN_STORED="\"/var/run/xenstored\"" -c -o xs_tdb_dump.o
>> xs_tdb_dump.c
>> gcc -m64 -DBUILD_ID -fno-strict-aliasing -std=gnu99 -Wall
>> -Wstrict-prototypes -Wdeclaration-after-statement
>> -Wno-unused-but-set-variable -Wno-unused-local-typedefs -O2
>> -fomit-frame-pointer
>> -D__XEN_INTERFACE_VERSION__=__XEN_LATEST_INTERFACE_VERSION__ -MMD -MF
>> .utils.o.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -Werror -I.
>> -include /home/david/xen/xen/tools/xenstore/../../tools/config.h
>> -I./include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/evtchn/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libxc/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/toollog/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/foreignmemory/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/devicemodel/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -D__XEN_TOOLS__
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/toolcore/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include
>> -DXEN_LIB_STORED="\"/var/lib/xenstored\""
>> -DXEN_RUN_STORED="\"/var/run/xenstored\""
>> -I/home/david/xen/xen/tools/xenstore/../../tools/libs/gnttab/include
>> -I/home/david/xen/xen/tools/xenstore/../../tools/include -c -o
>> utils.o utils.c
>> gcc xs_tdb_dump.o utils.o tdb.o talloc.o -o xs_tdb_dump
>> /usr/bin/ld : utils.o:(.data.rel.local+0x0) : définitions multiples de
>> « xprintf »; xs_tdb_dump.o:(.bss+0x0) : défini pour la première fois ici
>> collect2: error: ld returned 1 exit status
>> make[4]: *** [Makefile:97 : xs_tdb_dump] Erreur 1
>> make[4] : on quitte le répertoire « /home/david/xen/xen/tools/xenstore »
>> make[3]: *** [/home/david/xen/xen/tools/../tools/Rules.mk:249 :
>> subdir-install-xenstore] Erreur 2
>> make[3] : on quitte le répertoire « /home/david/xen/xen/tools »
>> make[2]: *** [/home/david/xen/xen/tools/../tools/Rules.mk:244 :
>> subdirs-install] Erreur 2
>> make[2] : on quitte le répertoire « /home/david/xen/xen/tools »
>> make[1]: *** [Makefile:74 : install] Erreur 2
>> make[1] : on quitte le répertoire « /home/david/xen/xen/tools »
>> make: *** [Makefile:127 : install-tools] Erreur 2
>> david@debian:~/xen/xen$ uname -a
>> Linux debian 5.7.0-2-amd64 #1 SMP Debian 5.7.10-1 (2020-07-26) x86_64
>> GNU/Linux
>> david@debian:~/xen/xen$ gcc --version
>> gcc (Debian 10.2.0-5) 10.2.0
>> Copyright (C) 2020 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions. There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>> PURPOSE.
>>
>> david@debian:~/xen/xen$ /usr/bin/ld --version
>> GNU ld (GNU Binutils for Debian) 2.35
>> Copyright (C) 2020 Free Software Foundation, Inc.
>> Ce logiciel est libre; si vous le redistribuez, vous devez le faire
>> selon les termes
>> de la licence GNU General Public License version 3 ou postérieure
>> selon votre besoin.
>> Ce logiciel n'est couvert par aucune GARANTIE.
>> david@debian:~/xen/xen$ git branch
>> master
>> * stable-4.11
>> staging
>> david@debian:~/xen/xen$
>>
>> I was able to compile dist-xen correctly though. But dist-tools fails
>> with this error, I have seen a similar request here:
>> https://stackoverflow.com/questions/63525163/usr-bin-ld-utils-o-data-rel-local0x0-multiple-definition-of-xprintf-xs
>>
>> I have tried to compile xen from source also on this same configuration,
>> in stable-4.12, stable-4.13, stable-4.14, each time I was able to
>> compile xen but failed to compile xen-tools.
>> the debian package works fine and is in version 4.11.
>>
>> So my question would be, is there a patch for this issue ? and how the
>> debian team could compile originally the debian source package ? I
>> suppose I am not the first user to encounter this.
>>
>> Thank you for your answers ;-)
>
> Its a change in the toolchain from -fcommon to -fno-common by default.
>
> Already fixed upstream by:
> https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=dacdbf7088d6a3705a9831e73991c2b14c519a65
>
> Looks like that change wants backporting.
Currently, I'm working together with Ian to get Xen 4.14 into Debian
unstable. dacdbf708 is in 4.14 already, but we also had to pick
d25cc3ec93eb ("libxl: workaround gcc 10.2 maybe-uninitialized warning")
and
fff1b7f50e75 ("libxl: fix -Werror=stringop-truncation in
libxl__prepare_sockaddr_un")
into 4.14 to fix further gcc 10 FTBFS (yay, backport candidates). Maybe
this info helps a bit if you also run into these issues after fixing the
first one.
Hans
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