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kbuild: Remove unnecessary 'T' modifier in cmd_ar_builtin_fixup

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In cmd_ar_builtin_fixup, the 'T' modifier was added to '$(AR) mPi' to
work around a bug in llvm-ar that caused thin archives to be silently
converted to full archives [1]. Since commit 20c0989283 ("kbuild: Bump
minimum version of LLVM for building the kernel to 15.0.0"), all
supported versions of llvm-ar have this issue fixed, so the 'T' modifier
and comment can be removed.

Link: https://github.com/llvm/llvm-project/commit/d17c54d17de22d2961a04163f3dbc8e973de89b8 [1]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
This commit is contained in:
Nathan Chancellor committed 2026-06-02 18:41:50 -07:00
1 parent 9f2aee8f7d
commit a48bd961fb
1 file changed
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scripts/Makefile.vmlinux_a
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@@ -10,12 +10,11 @@ include $(srctree)/scripts/Makefile.lib
# Link of built-in-fixup.a
# ---------------------------------------------------------------------------
# '$(AR) mPi' needs 'T' to workaround the bug of llvm-ar <= 14
quiet_cmd_ar_builtin_fixup = AR $@
cmd_ar_builtin_fixup = \
rm -f $@; \
$(AR) cDPrST $@ $(KBUILD_VMLINUX_OBJS); \
$(AR) mPiT $$($(AR) t $@ | sed -n 1p) $@ $$($(AR) t $@ | grep -F -f $(srctree)/scripts/head-object-list.txt)
$(AR) mPi $$($(AR) t $@ | sed -n 1p) $@ $$($(AR) t $@ | grep -F -f $(srctree)/scripts/head-object-list.txt)
targets += built-in-fixup.a
built-in-fixup.a: $(KBUILD_VMLINUX_OBJS) scripts/head-object-list.txt FORCE