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authorNick Desaulniers <nick.desaulniers@gmail.com>2017-10-07 13:23:23 -0700
committerMasahiro Yamada <yamada.masahiro@socionext.com>2017-10-26 23:58:45 +0900
commitdf16aaac26e92e97ab7234d3f93c953466adc4b5 (patch)
treeff138fd5db1d02cec9c97c0f31026f3ec3db8f3a /Makefile
parent2c1f4f125159f10521944cea23e33a00fcf85ede (diff)
downloadlinux-df16aaac26e92e97ab7234d3f93c953466adc4b5.tar.bz2
kbuild: clang: remove crufty HOSTCFLAGS
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>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile5
1 files changed, 0 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index 1ec97b902e52..1254719958ca 100644
--- a/Makefile
+++ b/Makefile
@@ -365,11 +365,6 @@ HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS)
HOSTLDFLAGS := $(HOST_LFS_LDFLAGS)
HOST_LOADLIBES := $(HOST_LFS_LIBS)
-ifeq ($(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
-
# Make variables (CC, etc...)
AS = $(CROSS_COMPILE)as
LD = $(CROSS_COMPILE)ld