| Message ID | 1442286180-11050-1-git-send-email-sedat.dilek@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Dne 15.9.2015 v 05:03 Sedat Dilek napsal(a): > CLANG (here: v3.7) does not support '-fno-delete-null-pointer-checks' > as a compiler-flag. > > Fix the HOSTCFLAGS and KBUILD_CFLAGS settings accordingly. > Furthermore, move and correct the $HOSTCC check. > > Tested against Linux v4.3-rc1 and a refreshed llvmlinux patchset. > --- > Makefile | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/Makefile b/Makefile > index aaf1d52bc646..4249441e535d 100644 > --- a/Makefile > +++ b/Makefile > @@ -300,9 +300,9 @@ HOSTCXX = g++ > HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 > HOSTCXXFLAGS = -O2 > > -ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) > -HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ > - -Wno-missing-field-initializers -fno-delete-null-pointer-checks > +HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter -Wno-missing-field-initializers You are enabling the -Wno-* options for gcc with this. Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Makefile b/Makefile index aaf1d52bc646..4249441e535d 100644 --- a/Makefile +++ b/Makefile @@ -300,9 +300,9 @@ HOSTCXX = g++ HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 HOSTCXXFLAGS = -O2 -ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) -HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ - -Wno-missing-field-initializers -fno-delete-null-pointer-checks +HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter -Wno-missing-field-initializers +ifneq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) +HOSTCFLAGS += -fno-delete-null-pointer-checks endif # Decide whether to build built-in, modular, or both. @@ -617,7 +617,9 @@ ARCH_AFLAGS := ARCH_CFLAGS := include arch/$(SRCARCH)/Makefile +ifneq ($(cc-name),clang) KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) +endif ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)