linux-kernel - Re: hppa vDSO and compiler (non-)support

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Message-ID: <ccc25312-890a-a534-1681-5ecde56328d0@gmx.de>
Date:   Tue, 22 Mar 2022 15:25:40 +0100
From:   Helge Deller <deller@....de>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Jiri Slaby <jirislaby@...nel.org>, linux-parisc@...r.kernel.org,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>,
        Martin Liška <mliska@...e.cz>,
        Andreas Schwab <schwab@...ux-m68k.org>
Subject: Re: hppa vDSO and compiler (non-)support

On 3/22/22 14:05, Guenter Roeck wrote:
> Does that also fix the build problems now seen in mainline ?

No.

> Building parisc64:generic-64bit_defconfig ... failed
> --------------
> Error log:
> arch/parisc/kernel/vdso64/Makefile:30: FORCE prerequisite is missing
> arch/parisc/kernel/vdso32/sigtramp.S: Assembler messages:
> arch/parisc/kernel/vdso32/sigtramp.S:39: Error: unknown pseudo-op: `.proc'
> ...
> arch/parisc/kernel/vdso32/restart_syscall.S:32: Error: .cfi_endproc without corresponding .cfi_startproc
> make[2]: *** [arch/parisc/kernel/vdso32/Makefile:34: arch/parisc/kernel/vdso32/restart_syscall.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[2]: *** [arch/parisc/kernel/vdso32/Makefile:34: arch/parisc/kernel/vdso32/sigtramp.o] Error 1
> make[1]: *** [arch/parisc/Makefile:177: vdso_prepare] Error 2
> make: *** [Makefile:219: __sub-make] Error 2
>
> This is with hppa64-linux-gcc (GCC) 11.2.0.

Can you check if you have the 32-bit compiler (hppa-linux-gcc) installed too?
The errors above happen when building the 32-bit vDSO, for which you need the 32-bit compiler.

Helge