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Message-ID: <1561475816.5154.75.camel@lca.pw>
Date: Tue, 25 Jun 2019 11:16:56 -0400
From: Qian Cai <cai@....pw>
To: Vincenzo Frascino <vincenzo.frascino@....com>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Will Deacon <will.deacon@....com>,
Catalin Marinas <catalin.marinas@....com>,
linux-arm-kernel@...ts.infradead.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
natechancellor@...il.com, ndesaulniers@...gle.com
Subject: Re: "arm64: vdso: Substitute gettimeofday() with C implementation"
breaks clang build
On Tue, 2019-06-25 at 15:54 +0100, Vincenzo Frascino wrote:
> Hi Qian,
>
> ...
>
> >
> > but clang 7.0 is still use in many distros by default, so maybe this commit
> > can
> > be fixed by adding a conditional check to use "small" if clang version <
> > 8.0.
> >
>
> Could you please verify that the patch below works for you?
>
> Thanks,
> Vincenzo
>
> --->8----
>
It does not work unfortunately.
# make CC=clang -j 256 2>/tmp/warn3.txt
HOSTCC scripts/basic/fixdep
HOSTCC scripts/dtc/dtc.o
HOSTCC scripts/dtc/flattree.o
HOSTCC scripts/dtc/fstree.o
HOSTCC scripts/dtc/data.o
HOSTCC scripts/dtc/livetree.o
HOSTCC scripts/dtc/treesource.o
HOSTCC scripts/dtc/srcpos.o
HOSTCC scripts/dtc/checks.o
HOSTCC scripts/dtc/util.o
LEX scripts/dtc/dtc-lexer.lex.c
YACC scripts/dtc/dtc-parser.tab.h
YACC scripts/dtc/dtc-parser.tab.c
HOSTCC scripts/dtc/dtc-parser.tab.o
HOSTCC scripts/dtc/dtc-lexer.lex.o
HOSTLD scripts/dtc/dtc
HOSTCC scripts/kallsyms
HOSTCC scripts/recordmcount
HOSTCC scripts/sortextable
DTC arch/arm64/boot/dts/arm/foundation-v8.dtb
DTC arch/arm64/boot/dts/arm/foundation-v8-psci.dtb
DTC arch/arm64/boot/dts/arm/foundation-v8-gicv3.dtb
DTC arch/arm64/boot/dts/arm/foundation-v8-gicv3-psci.dtb
DTC arch/arm64/boot/dts/arm/juno.dtb
DTC arch/arm64/boot/dts/arm/juno-r1.dtb
DTC arch/arm64/boot/dts/arm/juno-r2.dtb
DTC arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dtb
DTC arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dtb
DTC arch/arm64/boot/dts/arm/fvp-base-revc.dtb
DTC arch/arm64/boot/dts/cavium/thunder2-99xx.dtb
DTC arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dtb
DTC arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dtb
DTC arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dtb
DTC arch/arm64/boot/dts/hisilicon/hi6220-hikey.dtb
DTC arch/arm64/boot/dts/hisilicon/hip05-d02.dtb
DTC arch/arm64/boot/dts/hisilicon/hip06-d03.dtb
DTC arch/arm64/boot/dts/hisilicon/hip07-d05.dtb
HOSTCC scripts/mod/mk_elfconfig
CC scripts/mod/devicetable-offsets.s
CC scripts/mod/empty.o
MKELF scripts/mod/elfconfig.h
HOSTCC scripts/mod/modpost.o
HOSTCC scripts/mod/file2alias.o
HOSTCC scripts/mod/sumversion.o
HOSTLD scripts/mod/modpost
CC kernel/bounds.s
CALL scripts/atomic/check-atomics.sh
CC arch/arm64/kernel/asm-offsets.s
CALL scripts/checksyscalls.sh
LDS arch/arm64/kernel/vdso/vdso.lds
AS arch/arm64/kernel/vdso/note.o
AS arch/arm64/kernel/vdso/sigreturn.o
CC arch/arm64/kernel/vdso/vgettimeofday.o
LD arch/arm64/kernel/vdso/vdso.so.dbg
VDSOCHK arch/arm64/kernel/vdso/vdso.so.dbg
00000000000009d0 R_AARCH64_JUMP_SLOT _mcount
arch/arm64/kernel/vdso/vdso.so.dbg: dynamic relocations are not supported
make[1]: *** [arch/arm64/kernel/vdso/Makefile:59:
arch/arm64/kernel/vdso/vdso.so.dbg] Error 1
make: *** [arch/arm64/Makefile:180: vdso_prepare] Error 2
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