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* perf build error with gcc 10 on arm and aarch64
@ 2020-05-04 19:22 Thomas Backlund
       [not found] ` <EqtrWAkr-uZW90nfEH5i3KgHuQU8DLdDEXPSqRws1z9zrOixq2T0wt5uDhcFI5JVaIr_DGq7PP9Z-Q3B-LAaqQ==@protonmail.internalid>
  2020-05-05  4:10 ` Leo Yan
  0 siblings, 2 replies; 6+ messages in thread
From: Thomas Backlund @ 2020-05-04 19:22 UTC (permalink / raw)
  To: linux-kernel; +Cc: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo

This is building perf from kernel-5.6.10 on armv7hl and aarch64:

Compiler is gcc 10.1.0-RC


   LD       perf-in.o
ld: arch/perf-in.o: in function `.LANCHOR0':
/home/iurt/rpmbuild/BUILD/kernel-arm/linux-5.6/tools/perf/util/include/../../util/cs-etm.h:118: 
multiple definition of `traceid_list'; 
util/perf-in.o:/home/iurt/rpmbuild/BUILD/kernel-arm/linux-5.6/tools/perf/util/cs-etm.h:118: 
first defined here
make[3]: *** 
[/home/iurt/rpmbuild/BUILD/kernel-arm/linux-5.6/tools/build/Makefile.build:145: 
perf-in.o] Error 1

   LD       perf-in.o
ld: 
arch/perf-in.o:/home/iurt/rpmbuild/BUILD/kernel-aarch64/linux-5.6/tools/perf/util/include/../../util/cs-etm.h:118: 
multiple definition of `traceid_list'; 
util/perf-in.o:/home/iurt/rpmbuild/BUILD/kernel-aarch64/linux-5.6/tools/perf/util/cs-etm.h:118: 
first defined here
make[3]: *** 
[/home/iurt/rpmbuild/BUILD/kernel-aarch64/linux-5.6/tools/build/Makefile.build:145: 
perf-in.o] Error 1
make[2]: *** [Makefile.perf:616: perf-in.o] Error 2
make[1]: *** [Makefile.perf:225: sub-make] Error 2
make: *** [Makefile:70: all] Error 2


The same build succeeds with gcc 9.3.0

--


Thomas

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-05-05 13:38 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-04 19:22 perf build error with gcc 10 on arm and aarch64 Thomas Backlund
     [not found] ` <EqtrWAkr-uZW90nfEH5i3KgHuQU8DLdDEXPSqRws1z9zrOixq2T0wt5uDhcFI5JVaIr_DGq7PP9Z-Q3B-LAaqQ==@protonmail.internalid>
2020-05-05  4:10 ` Leo Yan
2020-05-05 10:26   ` Mike Leach
2020-05-05 10:47     ` Leo Yan
2020-05-05 13:11   ` Thomas Backlund
2020-05-05 13:38     ` Leo Yan

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