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| author | Nick Desaulniers <nick.desaulniers@gmail.com> | 2017-10-07 13:23:23 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-27 16:07:58 +0100 |
| commit | 4e0ae28ea0a7b769c596107b6297ce6d1122a214 (patch) | |
| tree | 2bbfc38f9731bd877e5e8defb298c32ed7d31023 /Makefile | |
| parent | 03e4b23ec9ab053b6cbf39eca2fd821116022665 (diff) | |
| download | linux-stable-4e0ae28ea0a7b769c596107b6297ce6d1122a214.tar.gz linux-stable-4e0ae28ea0a7b769c596107b6297ce6d1122a214.tar.bz2 linux-stable-4e0ae28ea0a7b769c596107b6297ce6d1122a214.zip | |
kbuild: clang: remove crufty HOSTCFLAGS
commit df16aaac26e92e97ab7234d3f93c953466adc4b5 upstream.
When compiling with `make CC=clang HOSTCC=clang`, I was seeing warnings
that clang did not recognize -fno-delete-null-pointer-checks for HOSTCC
targets. These were added in commit 61163efae020 ("kbuild: LLVMLinux:
Add Kbuild support for building kernel with Clang").
Clang does not support -fno-delete-null-pointer-checks, so adding it to
HOSTCFLAGS if HOSTCC is clang does not make sense.
It's not clear why the other warnings were disabled, and just for
HOSTCFLAGS, but I can remove them, add -Werror to HOSTCFLAGS and compile
with clang just fine.
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Nick Desaulniers <nick.desaulniers@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[nc: Adjust context]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 5 |
1 files changed, 0 insertions, 5 deletions
@@ -306,11 +306,6 @@ HOSTCXX = g++ HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 HOSTCXXFLAGS = -O2 -ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) -HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ - -Wno-missing-field-initializers -fno-delete-null-pointer-checks -endif - # Decide whether to build built-in, modular, or both. # Normally, just do built-in. |