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author | 2020-09-10 22:44:29 +0900 | |
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committer | 2020-09-25 00:36:50 +0900 | |
commit | bb2732112bc52bed7b20b9fc59d7246e4e7ce5ed (patch) | |
tree | 82ed0d438c401b482494e4b84457c714f27d7cc6 /lib | |
parent | kbuild: remove redundant CONFIG_KASAN check from scripts/Makefile.kasan (diff) | |
download | linux-dev-bb2732112bc52bed7b20b9fc59d7246e4e7ce5ed.tar.xz linux-dev-bb2732112bc52bed7b20b9fc59d7246e4e7ce5ed.zip |
kbuild: move CFLAGS_{KASAN,UBSAN,KCSAN} exports to relevant Makefiles
Move CFLAGS_KASAN*, CFLAGS_UBSAN, CFLAGS_KCSAN to Makefile.kasan,
Makefile.ubsan, Makefile.kcsan, respectively.
This commit also avoids the same -fsanitize=* flags being added to
CFLAGS_UBSAN multiple times.
Prior to this commit, the ubsan flags were appended by the '+='
operator, without any initialization. Some build targets such as
'make bindeb-pkg' recurses to the top Makefile, and ended up with
adding the same flags to CFLAGS_UBSAN twice.
Clear CFLAGS_UBSAN with ':=' to make it a simply expanded variable.
This is better than a recursively expanded variable, which evaluates
$(call cc-option, ...) multiple times before Kbuild starts descending
to subdirectories.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Marco Elver <elver@google.com>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions