From: Arnout Vandecappelle <arnout@mind.be>
To: buildroot@busybox.net
Subject: [Buildroot] PowerPC: scsi/sg.h missing in glibc-2.18 / linux-headers-3.10.20 toolchain
Date: Wed, 26 Mar 2014 00:27:46 +0100 [thread overview]
Message-ID: <533210F2.5040908@mind.be> (raw)
In-Reply-To: <778977534.278661.1395686596735.JavaMail.root@mail>
On 24/03/14 19:43, ?meric Vigier wrote:
> Hi makers,
>
> I struggled to cross-compile (powerpc) strace-4.8 with linux-headers-3.10.20
> and glibc-2.18.It does not find <scsi/sg.h> in my toolchain. Indeed there is
> none in my sysroot:
>
> $ find output/ -path "*/scsi/sg.h"
> output/build/glibc-2.18/sysdeps/unix/sysv/linux/scsi/sg.h
> output/build/linux-headers-3.10.20/include/scsi/sg.h
This is a known issue: linux-headers removes sg.h from the staging
directory. Normally this isn't an issue because glibc installs it again,
but if for whatever reason linux-headers gets reinstalled, it gets
removed again. You shouldn't get this issue with a clean build.
See the thread at
http://thread.gmane.org/gmane.comp.lib.uclibc.buildroot/77571
Regards,
Arnout
>
> I have a duplicate buildroot with linux-headers-3.2.52 and the same glibc.
> It succeeds to compile strace. Indeed headers are present in sysroot:
>
> $ find output/ -path "*/scsi/sg.h"
> output/build/linux-headers-3.2.52/include/scsi/sg.h
> output/build/glibc-2.18/sysdeps/unix/sysv/linux/scsi/sg.h
> output/build/linux-3.2.x/include/scsi/sg.h
> output/host/usr/powerpc-buildroot-linux-gnu/sysroot/usr/include/scsi/sg.h
>
> I checked linux API changes but nothing about SCSI:
> http://man7.org/tlpi/api_changes/index.html
>
> I worked around this problem with a simple copy:
> $ cp output/build/glibc-2.18/sysdeps/unix/sysv/linux/scsi/sg.h \
> output/host/usr/powerpc-buildroot-linux-gnu/sysroot/usr/incl
>
> I'd like to know how to truly fix this issue. Is this a bug in the toolchain
> cross-compilation?
>
> thanks,
> Emeric
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
>
--
Arnout Vandecappelle arnout at mind be
Senior Embedded Software Architect +32-16-286500
Essensium/Mind http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
GPG fingerprint: 7CB5 E4CC 6C2E EFD4 6E3D A754 F963 ECAB 2450 2F1F
prev parent reply other threads:[~2014-03-25 23:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1996794731.250375.1395685034656.JavaMail.root@mail>
2014-03-24 18:43 ` [Buildroot] PowerPC: scsi/sg.h missing in glibc-2.18 / linux-headers-3.10.20 toolchain Émeric Vigier
2014-03-25 23:27 ` Arnout Vandecappelle [this message]
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