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kbuild: remove unnecessary in-subshell execution

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Backport kernel changes

commit b79c6aa6a1f1 ("kbuild: remove unnecessary in-subshell execution")

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Ilias Apalodimas
2025-05-20 08:21:20 +03:00
committed by Tom Rini
parent a73c41c398
commit 603a4ade16
1 changed files with 10 additions and 11 deletions
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21
scripts/Makefile.lib
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@@ -324,7 +324,7 @@ DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@)
quiet_cmd_dt_S_dtb= DTBS $@
# Modified for U-Boot
cmd_dt_S_dtb= \
( \
{ \
echo '.section .dtb.init.rodata,"a"'; \
echo '.balign 16'; \
echo '.global __dtb_$(subst -,_,$(*F))_begin'; \
@@ -333,7 +333,7 @@ cmd_dt_S_dtb= \
echo '__dtb_$(subst -,_,$(*F))_end:'; \
echo '.global __dtb_$(subst -,_,$(*F))_end'; \
echo '.balign 16'; \
) > $@
} > $@
$(obj)/%.dtb.S: $(obj)/%.dtb
$(call cmd,dt_S_dtb)
@@ -560,20 +560,20 @@ printf "%08x\n" $$dec_size | \
)
quiet_cmd_bzip2 = BZIP2 $@
cmd_bzip2 = (cat $(real-prereqs) | bzip2 -9 && $(size_append)) > $@
cmd_bzip2 = { cat $(real-prereqs) | bzip2 -9 && $(size_append); } > $@
# Lzma
# ---------------------------------------------------------------------------
quiet_cmd_lzma = LZMA $@
cmd_lzma = (cat $(real-prereqs) | lzma -9 && $(size_append)) > $@
cmd_lzma = { cat $(real-prereqs) | lzma -9 && $(size_append); } > $@
quiet_cmd_lzo = LZO $@
cmd_lzo = (cat $(real-prereqs) | lzop -9 && $(size_append)) > $@
cmd_lzo = { cat $(real-prereqs) | lzop -9 && $(size_append); } > $@
quiet_cmd_lz4 = LZ4 $@
cmd_lz4 = (cat $(real-prereqs) | lz4c -l -c1 stdin stdout && \
$(size_append)) > $@
cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout && \
$(size_append); } > $@
# U-Boot mkimage
# ---------------------------------------------------------------------------
@@ -617,12 +617,11 @@ quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT)
# big dictionary would increase the memory usage too much in the multi-call
# decompression mode. A BCJ filter isn't used either.
quiet_cmd_xzkern = XZKERN $@
cmd_xzkern = (cat $(filter-out FORCE,$^) | \
sh $(srctree)/scripts/xz_wrap.sh && $(size_append)) > $@
cmd_xzkern = { cat $(filter-out FORCE,$^) | \
sh $(srctree)/scripts/xz_wrap.sh && $(size_append); } > $@
quiet_cmd_xzmisc = XZMISC $@
cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
xz --check=crc32 --lzma2=dict=1MiB) > $@
cmd_xzmisc = cat $(real-prereqs) | xz --check=crc32 --lzma2=dict=1MiB > $@
# Additional commands for U-Boot
#