Re: [PATCH] benchtests: Enable BIND_NOW if configured with --enable-bind-now

[Carlos O'Donell <codonell at redhat dot com>]

On 4/24/19 8:29 AM, Florian Weimer wrote:
> Benchmarks should reflect distribution build policies, so it makes
> sense to honor the BIND_NOW configuration for them.

I agree, by default it should follow the glibc build configuration.

> This commit keeps using $(+link-tests), so that the benchmarks are
> linked according to the --enable-hardcoded-path-in-tests configure
> option.

Agreed.

> 2019-04-24  Florian Weimer  <fweimer@redhat.com>
>
> 	benchtests: Enable BIND_NOW if configured with --enable-bind-now.
> 	* benchtests/Makefile [$(bind-now)] (link-bench-bind-now): Set.
> 	(bench-link-targets): New variable.
> 	($(binaries-bench) …): Use it.  Set LDFLAGS accordingly.

LGTM.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

> diff --git a/benchtests/Makefile b/benchtests/Makefile
> index cdc89488d6..d294bbbb7e 100644
> --- a/benchtests/Makefile
> +++ b/benchtests/Makefile
> @@ -236,13 +236,21 @@ bench-func: $(binaries-bench)
>   	  scripts/benchout.schema.json; \
>   	fi
>   
> -$(timing-type) $(binaries-bench) $(binaries-benchset) \
> -	$(binaries-bench-malloc): %: %.o $(objpfx)json-lib.o \
> +ifeq ($(bind-now),yes)
> +link-bench-bind-now = -Wl,-z,now
> +endif

OK. Adds BIND_NOW.

> +
> +bench-link-targets = $(timing-type) $(binaries-bench) $(binaries-benchset) \
> +	$(binaries-bench-malloc)
> +

OK. A cleanup.

> +$(bench-link-targets): %: %.o $(objpfx)json-lib.o \

OK.

>   	$(link-extra-libs-tests) \
>     $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
>     $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
>   	$(+link-tests)
>   
> +$(bench-link-targets): LDFLAGS += $(link-bench-bind-now)

OK.

> +
>   $(objpfx)bench-%.c: %-inputs $(bench-deps)
>   	{ if [ -n "$($*-INCLUDE)" ]; then \
>   	  cat $($*-INCLUDE); \


--
Cheers,
Carlos.