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tools/resolve_btfids: Fix build when cross compiling kernel with clang. 

When cross compiling the kernel with clang, we need to override
CLANG_CROSS_FLAGS when preparing the step libraries.

Prior to commit d1d0963121 ("tools: fix annoying "mkdir -p ..." logs
when building tools in parallel"), MAKEFLAGS would have been set to a
value that wouldn't set a value for CLANG_CROSS_FLAGS, hiding the
fact that we weren't properly overriding it.

Fixes: 56a2df7615 ("tools/resolve_btfids: Compile resolve_btfids as host program")
Signed-off-by: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/bpf/20250606074538.1608546-1-suleiman@google.com
This commit is contained in:
Suleiman Souhlal 2025-06-06 16:45:38 +09:00 committed by Andrii Nakryiko
parent 02670deede
commit a298bbab90
1 changed files with 1 additions and 1 deletions
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2
tools/bpf/resolve_btfids/Makefile
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@ -17,7 +17,7 @@ endif
# Overrides for the prepare step libraries. # Overrides for the prepare step libraries.
HOST_OVERRIDES := AR="$(HOSTAR)" CC="$(HOSTCC)" LD="$(HOSTLD)" ARCH="$(HOSTARCH)" \ HOST_OVERRIDES := AR="$(HOSTAR)" CC="$(HOSTCC)" LD="$(HOSTLD)" ARCH="$(HOSTARCH)" \
CROSS_COMPILE="" EXTRA_CFLAGS="$(HOSTCFLAGS)" CROSS_COMPILE="" CLANG_CROSS_FLAGS="" EXTRA_CFLAGS="$(HOSTCFLAGS)"
RM ?= rm RM ?= rm
HOSTCC ?= gcc HOSTCC ?= gcc