Hi.
Please backport upstream 3.12 commit
575bf1d04e908469d26da424b52fc1b12a1db9d8 "perf tools: Fix build with
perl 5.18" to stable kernels 3.2, 3.4, and 3.10.
commit 575bf1d04e908469d26da424b52fc1b12a1db9d8
Author: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Date: Mon Jun 24 11:43:14 2013 +0300
perf tools: Fix build with perl 5.18
perl.h from new Perl release doesn't like -Wundef and -Wswitch-default:
/usr/lib/perl5/core_perl/CORE/perl.h:548:5: error:
"SILENT_NO_TAINT_SUPPORT" is not defined [-Werror=undef]
#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
^
/usr/lib/perl5/core_perl/CORE/perl.h:556:5: error:
"NO_TAINT_SUPPORT" is not defined [-Werror=undef]
#if NO_TAINT_SUPPORT
^
In file included from /usr/lib/perl5/core_perl/CORE/perl.h:3471:0,
from util/scripting-engines/trace-event-perl.c:30:
/usr/lib/perl5/core_perl/CORE/sv.h:1455:5: error:
"NO_TAINT_SUPPORT" is not defined [-Werror=undef]
#if NO_TAINT_SUPPORT
^
In file included from /usr/lib/perl5/core_perl/CORE/perl.h:3472:0,
from util/scripting-engines/trace-event-perl.c:30:
/usr/lib/perl5/core_perl/CORE/regexp.h:436:5: error:
"NO_TAINT_SUPPORT" is not defined [-Werror=undef]
#if NO_TAINT_SUPPORT
^
In file included from /usr/lib/perl5/core_perl/CORE/hv.h:592:0,
from /usr/lib/perl5/core_perl/CORE/perl.h:3480,
from util/scripting-engines/trace-event-perl.c:30:
/usr/lib/perl5/core_perl/CORE/hv_func.h: In function
‘S_perl_hash_siphash_2_4’:
/usr/lib/perl5/core_perl/CORE/hv_func.h:222:3: error: switch
missing default case [-Werror=switch-default]
switch( left )
^
/usr/lib/perl5/core_perl/CORE/hv_func.h: In function
‘S_perl_hash_superfast’:
/usr/lib/perl5/core_perl/CORE/hv_func.h:274:5: error: switch
missing default case [-Werror=switch-default]
switch (rem) { \
^
/usr/lib/perl5/core_perl/CORE/hv_func.h: In function ‘S_perl_hash_murmur3’:
/usr/lib/perl5/core_perl/CORE/hv_func.h:398:5: error: switch
missing default case [-Werror=switch-default]
switch(bytes_in_carry) { /* how many bytes in carry */
^
Let's disable the warnings for code which uses perl.h.
Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1372063394-20126-1-git-send-email-kirill@xxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cheers,
Vinson
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