From: William Lee Irwin III All of the BTFIXUP-related symbols are prefixed with at least three underscores. In order not to trip this error, sparc32 needs to have some kind of hook around this phase of linking. So here is one method. Signed-off-by: Andrew Morton --- 25-akpm/Makefile | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-) diff -puN Makefile~sparc32-ignore-undefined-symbols-with-3-or-more-leading-underscores Makefile --- 25/Makefile~sparc32-ignore-undefined-symbols-with-3-or-more-leading-underscores 2004-08-15 22:47:58.938885712 -0700 +++ 25-akpm/Makefile 2004-08-15 22:47:58.941885256 -0700 @@ -542,7 +542,8 @@ define rule_vmlinux__ $(if $($(quiet)cmd_vmlinux__), \ echo ' $($(quiet)cmd_vmlinux__)' &&) \ $(cmd_vmlinux__); \ - if $(OBJDUMP) --syms $@ | egrep -q '^([^R]|R[^E]|RE[^G])[^w]*\*UND\*'; then \ + if $(OBJDUMP) --syms $@ | $(AWK) '$$4!~/^___.*/ { print $$0 }' \ + | egrep -q '^([^R]|R[^E]|RE[^G])[^w]*\*UND\*'; then \ echo 'ldchk: $@: final image has undefined symbols:'; \ $(NM) $@ | sed 's/^ *U \(.*\)/ \1/p;d'; \ $(RM) -f $@; \ _