[CRIU][PATCH 1/3] zdtm: It's need turn off FORTIFY_SOURCE instead of use -Wno-unused-result option

Andrey Wagin avagin at gmail.com
Thu Jul 19 04:16:55 EDT 2012


Acked-by: Andrey Wagin <avagin at openvz.org>

2012/7/19 vkonyashkin <vkonyashkin at parallels.com>:
> The -Wno-unused-result option looks to have been introduced in GCC 4.5.0.
> So it's need turn off FORTIFY_SOURCE (compiler warn about unused results
> in fortification mode) instead of use -Wno-unused-result to avoid error
> in versions prior to 4.5.0.
>
> Signed-off-by: Victor Konyashkin  <vkonyashkin at parallels.com>
> ---
>  test/zdtm/lib/Makefile         |    2 +-
>  test/zdtm/live/static/Makefile |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/test/zdtm/lib/Makefile b/test/zdtm/lib/Makefile
> index 2be3011..0162e8c 100644
> --- a/test/zdtm/lib/Makefile
> +++ b/test/zdtm/lib/Makefile
> @@ -1,4 +1,4 @@
> -CFLAGS = -g -O2 -Wall -Werror -Wno-unused-result
> +CFLAGS = -g -O2 -Wall -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
>
>  LIB    = libzdtmtst.a
>
> diff --git a/test/zdtm/live/static/Makefile b/test/zdtm/live/static/Makefile
> index 135bb23..07e92f2 100644
> --- a/test/zdtm/live/static/Makefile
> +++ b/test/zdtm/live/static/Makefile
> @@ -1,7 +1,7 @@
>  LIBDIR = ../../lib
>  LIB    = $(LIBDIR)/libzdtmtst.a
>  override CPPFLAGS += -I$(LIBDIR)
> -CFLAGS = -g -O2 -Wall -Werror -Wno-unused-result
> +CFLAGS = -g -O2 -Wall -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
>
>  TST_NOFILE     =                               \
>                 busyloop00                      \
> --
> 1.5.2.2
>
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