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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-20 07:33:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-20 07:33:09 -0800
commitc0f3ece4657fe2205c1e59c5c27547d6e8cba34a (patch)
treec7e0676140612481941f97e0cb4826dc37189f3b /Makefile
parent122b7e33804d928f8f53cf9d25762c40b8148a02 (diff)
parentef7cfd00b2caf6edeb7f169682b64be2d0a798cf (diff)
downloadlinux-c0f3ece4657fe2205c1e59c5c27547d6e8cba34a.tar.bz2
Merge tag 'kbuild-fixes-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fix from Masahiro Yamada: "Fix false positive warning/error about missing library for objtool" * tag 'kbuild-fixes-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: fix false positive warning/error about missing libelf
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile13
1 files changed, 8 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index 56d5270f22f8..d45856f80057 100644
--- a/Makefile
+++ b/Makefile
@@ -962,11 +962,6 @@ ifdef CONFIG_STACK_VALIDATION
ifeq ($(has_libelf),1)
objtool_target := tools/objtool FORCE
else
- ifdef CONFIG_UNWINDER_ORC
- $(error "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
- else
- $(warning "Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
- endif
SKIP_STACK_VALIDATION := 1
export SKIP_STACK_VALIDATION
endif
@@ -1125,6 +1120,14 @@ uapi-asm-generic:
PHONY += prepare-objtool
prepare-objtool: $(objtool_target)
+ifeq ($(SKIP_STACK_VALIDATION),1)
+ifdef CONFIG_UNWINDER_ORC
+ @echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+ @false
+else
+ @echo "warning: Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+endif
+endif
# Generate some files
# ---------------------------------------------------------------------------