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kbuild: vdso_install: split out the readelf invocation

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Split up the logic as some upcoming changes to the readelf invocation
would create a very long line otherwise.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20260331-kbuild-vdso-install-v2-1-606d0dc6beca@weissschuh.net
Signed-off-by: Nicolas Schier <nsc@kernel.org>
This commit is contained in:
Thomas Weißschuh 2026-03-31 19:50:19 +02:00 committed by Nicolas Schier
parent dcc99abebf
commit efa13f43c5
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1 changed files with 2 additions and 1 deletions
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3
scripts/Makefile.vdsoinst
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@ -21,7 +21,8 @@ $$(dest): $(1) FORCE
# Some architectures create .build-id symlinks
ifneq ($(filter arm s390 sparc x86, $(SRCARCH)),)
link := $(install-dir)/.build-id/$$(shell $(READELF) -n $(1) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p').debug
build-id-file := $$(shell $(READELF) -n $(1) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p')
link := $(install-dir)/.build-id/$$(build-id-file).debug
__default: $$(link)
$$(link): $$(dest) FORCE