From: steve.capper@linaro.org (Steve Capper)
To: linux-arm-kernel@lists.infradead.org
Subject: Intermittent efi libstub build errors on arm64
Date: Fri, 6 Mar 2015 11:09:57 +0000 [thread overview]
Message-ID: <20150306110941.GA8770@linaro.org> (raw)
In-Reply-To: <20150306103428.GA8045@linaro.org>
On Fri, Mar 06, 2015 at 10:34:29AM +0000, Steve Capper wrote:
> Hi,
> I've run into some strange build errors with 3.19.
>
> If I set a high number of parallel jobs, I sometimes get build errors
> such as:
>
> mv: cannot stat ?drivers/firmware/efi/libstub/.fdt.o.tmp?: No such file or directory
> AR drivers/firmware/efi/libstub/lib.a
> scripts/Makefile.build:257: recipe for target 'drivers/firmware/efi/libstub/fdt.o' failed
> make[1]: *** [drivers/firmware/efi/libstub/fdt.o] Error 1
> Makefile:939: recipe for target 'drivers/firmware/efi/libstub' failed
> make: *** [drivers/firmware/efi/libstub] Error 2
>
> and,
>
> fixdep: error opening depfile: drivers/firmware/efi/libstub/.efi-stub-helper.o.d: No such file or directory
> scripts/Makefile.build:257: recipe for target 'drivers/firmware/efi/libstub/efi-stub-helper.o' failed
> make[1]: *** [drivers/firmware/efi/libstub/efi-stub-helper.o] Error 2
> Makefile:939: recipe for target 'drivers/firmware/efi/libstub' failed
> make: *** [drivers/firmware/efi/libstub] Error 2
> make: *** Waiting for unfinished jobs....
>
>
> I think some dependency information/header includes may need tweaking
> somewhere. Has anyone else come across this, or know more?
>
Having done some more digging, I believe it may be the libstub
directory being entered twice by the build system.
I am testing the following patch out:
--- a/drivers/firmware/efi/Makefile
+++ b/drivers/firmware/efi/Makefile
@@ -7,4 +7,3 @@ obj-$(CONFIG_EFI_VARS_PSTORE) += efi-pstore.o
obj-$(CONFIG_UEFI_CPER) += cper.o
obj-$(CONFIG_EFI_RUNTIME_MAP) += runtime-map.o
obj-$(CONFIG_EFI_RUNTIME_WRAPPERS) += runtime-wrappers.o
-obj-$(CONFIG_EFI_STUB) += libstub/
To see if the problem persists.
> Cheers,
> --
> Steve
next prev parent reply other threads:[~2015-03-06 11:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-06 10:34 Intermittent efi libstub build errors on arm64 Steve Capper
2015-03-06 11:09 ` Steve Capper [this message]
2015-03-06 12:11 ` Ard Biesheuvel
2015-03-06 12:17 ` Steve Capper
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