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kbuild: Remove -Waggregate-return from scripts/Makefile.extrawarn 

It makes little sense to pass -Waggregate-return these days since large
part of the linux kernel rely on returning struct(s). For instance:

  ../include/linux/timekeeping.h: In function 'show_uptime':
  ../include/linux/ktime.h:91:34: error: function call has aggregate value [-Werror=aggregate-return]
   #define ktime_to_timespec64(kt)  ns_to_timespec64((kt))
                                    ^~~~~~~~~~~~~~~~~~~~~~
  ../include/linux/timekeeping.h:166:8: note: in expansion of macro 'ktime_to_timespec64'
    *ts = ktime_to_timespec64(ktime_get_coarse_boottime());

Remove this warning from W=2 completely.

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Mathieu Malaterre 2019-05-29 10:04:34 +02:00 committed by Masahiro Yamada
parent d1fdb6d8f6
commit 869ee58b82
1 changed files with 0 additions and 1 deletions
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scripts/Makefile.extrawarn
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@ -34,7 +34,6 @@ warning-1 += $(call cc-option, -Wstringop-truncation)
warning-1 += -Wno-missing-field-initializers
warning-1 += -Wno-sign-compare
warning-2 := -Waggregate-return
warning-2 += -Wcast-align
warning-2 += -Wdisabled-optimization
warning-2 += -Wnested-externs