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Re: [Xen-devel] build Xen tool fail



On Thu, 2016-01-28 at 06:39 +0000, Hao, Xudong wrote:
> Ian, 
> 
> A recent changes of tools evtchn cause a build failure with gcc 4.4.7, OS
> is RHEL6.5.

Thanks, this should already be fixed in staging. There was a series of
fixes, the last of which wasÂ3b971de7f1cc595ae7ef03fb6f500295a8b82630.

Sorry for the inconvenience, only older gcc than I am using exposes this
issue.

Ian.

> 
> Bad commit:
> commit b7f76a699dcfadc0a52ab45b33cc72dbf3a69e7b
> Author: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Date:ÂÂÂMon Jun 1 16:20:09 2015 +0100
> 
> ÂÂÂÂtools: Refactor /dev/xen/evtchn wrappers into libxenevtchn.
> 
> ÂÂÂÂlibxenevtchn will provide a stable API and ABI for accessing the
> evtchn device.
> 
> 
> Partial error log:
> ...
> gccÂÂ-DPIC -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing
> -std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement -Wno-
> unused-but-set-variableÂÂÂ-O0 -g3 -D__XEN_TOOLS__ -MMD -MF .linux.opic.d
> -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -fno-optimize-sibling-callsÂÂ-
> Werror -Wmissing-prototypes -I./include
> -I/home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/include
> -I/home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/libs/toollog/include
> -I/home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/includeÂÂ-fPIC -c -o linux.opic
> linux.c 
> mv headers.chk.new headers.chk
> In file included from private.h:5,
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom core.c:19:
> ./include/xenevtchn.h:36: error: redefinition of typedef
> âxentoollog_loggerâ
> /home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/libs/toollog/include/xentoollog
> .h:44: note: previous declaration of âxentoollog_loggerâ was here
> In file included from private.h:5,
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom core.c:19:
> ./include/xenevtchn.h:36: error: redefinition of typedef
> âxentoollog_loggerâ
> /home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/libs/toollog/include/xentoollog
> .h:44: note: previous declaration of âxentoollog_loggerâ was here
> make[6]: *** [core.opic] Error 1
> make[6]: *** Waiting for unfinished jobs....
> make[6]: *** [core.o] Error 1
> In file included from private.h:5,
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom linux.c:29:
> ./include/xenevtchn.h:36: error: redefinition of typedef
> âxentoollog_loggerâ
> /home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/libs/toollog/include/xentoollog
> .h:44: note: previous declaration of âxentoollog_loggerâ was here
> In file included from private.h:5,
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfrom linux.c:29:
> ./include/xenevtchn.h:36: error: redefinition of typedef
> âxentoollog_loggerâ
> /home/www/builds_xen_unstable/xen-src-2e46e3f2-
> 20160127/tools/libs/evtchn/../../../tools/libs/toollog/include/xentoollog
> .h:44: note: previous declaration of âxentoollog_loggerâ was here
> make[6]: *** [linux.o] Error 1
> make[6]: *** [linux.opic] Error 1
> ...
> 
> 
> Best Regards,
> Xudong
> 

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