[PATCH] kbuild: dtc: use env to resolve echo

[Trent Piepho]

There's another in scripts/Kbuild.include

On Thu, Jan 20, 2022 at 12:04 AM Rouven Czerwinski
<r.czerwinski at pengutronix.de> wrote:
>
> Posix does not mandate to have binaries within a certain path, but
> rather that the utilities may be available. Use env to resolve and call
> echo from PATH.
>
> Fixes: 2ae7ac7ab2f1 ("kbuild: dtc: Allow adding device tree fragments via config")
>
> Signed-off-by: Rouven Czerwinski <r.czerwinski at pengutronix.de>
> ---
>  scripts/Makefile.lib | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 13b1789c01..94ca1b771b 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -340,7 +340,7 @@ dts-frags = $(subst $(quote),,$(CONFIG_EXTERNAL_DTS_FRAGMENTS))
>  quiet_cmd_dtc = DTC     $@
>  # For compatibility between make 4.2 and 4.3
>  H := \#
> -cmd_dtc = /bin/echo -e '$(H)define $(subst -,_,$(*F))_dts 1\n'$(foreach f,$< $(dts-frags),'$(H)include "$(f)"\n') | \
> +cmd_dtc = /usr/bin/env echo -e '$(H)define $(subst -,_,$(*F))_dts 1\n'$(foreach f,$< $(dts-frags),'$(H)include "$(f)"') | \
>         $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \
>         $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
>                 -i $(srctree)/arch/$(SRCARCH)/dts $(DTC_FLAGS) \
> --
> 2.34.1
>
>
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