Bug#185933: marked as done (libc6-dev: sys/io.h disappeared on ppc)
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From: Andres Salomon <dilinger@voxel.net>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libc6-dev: sys/io.h disappeared on ppc
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Package: libc6-dev
Version: 2.3.1-15
Severity: normal
Somewhere between -14 and -15, /usr/include/sys/io.h seems to have
disappeared for ppc (and possibly other archs).
On an i386 machine:
dilinger@pinky:~$ dpkg -L libc6-dev|grep "sys/io.h" || echo "nada."
/usr/include/sys/io.h
dilinger@pinky:~$
On a ppc machine:
dilinger@nrop:~/gst-plugins-0.6.0.bak$ dpkg -L libc6-dev|grep "sys/io.h" || echo "nada."
nada.
I encountered a problem w/ missing sys/io.h while attempting to build
gst-plugins with -15:
In file included from qcam-lib.c:47:
qcam-os.c:38:20: sys/io.h: No such file or directory
qcam-lib.c: In function `qc_scan':
qcam-lib.c:743: warning: comparison is always true due to limited range
of data type
make[4]: *** [libgstqcam_la-qcam-lib.lo] Error 1
Note that it builds just fine w/ -14:
http://buildd.debian.org/fetch.php?&pkg=gst-plugins&ver=0.6.0-4&arch=powerpc&stamp=1047776147&file=log&as=raw
-- System Information:
Debian Release: testing/unstable
Architecture: powerpc
Kernel: Linux nrop 2.4.20-ben7 #15 Sat Mar 1 15:37:39 EST 2003 ppc
Locale: LANG=C, LC_CTYPE=C
Versions of packages libc6-dev depends on:
ii libc6 2.3.1-15 GNU C Library: Shared libraries an
-- no debconf information
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Received: (at 185933-done) by bugs.debian.org; 28 Mar 2003 14:54:36 +0000
>From gotom@debian.or.jp Fri Mar 28 08:54:33 2003
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Date: Fri, 28 Mar 2003 23:54:30 +0900
Message-ID: <80r88rv8wp.wl@oris.opensource.jp>
From: GOTO Masanori <gotom@debian.or.jp>
To: Andres Salomon <dilinger@voxel.net>
Cc: GOTO Masanori <gotom@debian.or.jp>, 185933-done@bugs.debian.org
Subject: Re: Bug#185933: libc6-dev: sys/io.h disappeared on ppc
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At 27 Mar 2003 14:40:21 -0500,
Andres Salomon wrote:
>
> I have no problem w/ closing the bug; I've entered a bug in gstreamer's
> buzilla.
Thanks! Now I close this bug. But I remind (and maybe my todo) that
ppc has no sys/io.h.
> I would, however, like to see this documented somewhere, if
> it's not already done (maybe at the top of sys/*.h, a big fat "/*
> WARNING: this file does not exist on all architectures! */", or perhaps
> "#ifndef __<some symbol in asm/io.h>__ Warning: do not include this file
> directly! Use the appropriate file in /usr/include/asm".) But, I'm
> completely fine w/ you closing this.
Hmm, asm/io.h is kernel's header, and sys/io.h is glibc's header. So
it can't be described as "some symbol in asm/io.h". "this file does
not exist on all architectures" issue is caused by actually the
laziness of glibc, I think.
In addition, asm/io.h is normally provided, but it's also ok not to
exist (because it's for user convenient header to use IO directly, but
indeed I can't imagine it's not provided)...
Regards,
-- gotom
> On Thu, 2003-03-27 at 09:14, GOTO Masanori wrote:
> > Hi,
> >
> > At 23 Mar 2003 17:48:52 -0500,
> > Andres Salomon wrote:
> > >
> > > Indeed:
> > >
> > > ./sys/qcam/qcam-os.c:#include <sys/io.h>
> > > ./sys/qcam/qcam-Linux.c:#include <sys/io.h>
> > >
> > > This appears to be some sort of quickcam driver (or something that
> > > prods i/o addresses directly). I guess it should be using asm/io.h.
> > > It's using functions/macros like inb(), outb(), etc. I shall follow
> > > up w/ gstreamer upstream on this.
> >
> > Well, please do that. If quickcam interface is the part of your
> > application, then unless architecture non-specific way is provided
> > from kernel driver, it becomes architecture dependend package...
> >
> > So how to deal with this bug? Exactly sys/io.h is not provided on
> > powerpc, but I think it does not cause your program; moreover, if the
> > sane non-architecture dependent program does not need to include
> > sys/io.h... Do you think about this bug, and should we act about this
> > bug?
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