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Message-ID: <562E86AA.6080405@suse.com> Date: Mon, 26 Oct 2015 21:01:46 +0100 From: Michal Marek <mmarek@...e.com> To: Sedat Dilek <sedat.dilek@...il.com> Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] kbuild: llvmlinux: Fix -fno-delete-null-pointer-checks compiler-flag 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-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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