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From: Alex Davis <alex14641@yahoo.com>
To: linux-kernel@vger.kernel.org
Subject: Issues with linux-2.6.2
Date: Fri, 6 Feb 2004 13:22:05 -0800 (PST)	[thread overview]
Message-ID: <20040206212205.46151.qmail@web40501.mail.yahoo.com> (raw)

I have a few issues with 2.6.2. Ths first issue is when upgrading from 2.4, I had to create 
the symlinks:

   ln -s /usr/include/asm /usr/src/linux/include/asm-i386
   ln -s /usr/include/asm-generic /usr/src/linux/include/asm-generic

This requirement was not mentioned in any documentation I could find.

The second issue is when trying to build util-linux-2.11z I get the following error:

cc -pipe -O2 -mcpu=i486 -fomit-frame-pointer -I../lib -Wall -Wmissing-prototypes
-Wstrict-prototypes -I/usr/include/ncurses -DNCH=0   -D_FILE_OFFSET_BITS=64 -DSBINDIR=\"/sbin\"
-DUSRSBINDIR=\"/usr/sbin\" -DLOGDIR=\"/var/log\" -DVARPATH=\"/var\"
-DLOCALEDIR=\"/usr/share/locale\" -O2  -s  blockdev.c   -o blockdev
blockdev.c:70: error: parse error before '[' token
blockdev.c:70: error: initializer element is not constant
blockdev.c:70: error: (near initialization for `bdcms[4].ioc')
blockdev.c:70: error: initializer element is not constant
blockdev.c:70: error: (near initialization for `bdcms[4]')
blockdev.c:73: error: parse error before '[' token
blockdev.c:73: error: initializer element is not constant
blockdev.c:73: error: (near initialization for `bdcms[5].ioc')
blockdev.c:73: error: initializer element is not constant
blockdev.c:73: error: (near initialization for `bdcms[5]')
blockdev.c:76: error: initializer element is not constant
blockdev.c:76: error: (near initialization for `bdcms[6]')
blockdev.c:79: error: initializer element is not constant
blockdev.c:79: error: (near initialization for `bdcms[7]')
blockdev.c:82: error: initializer element is not constant
blockdev.c:82: error: (near initialization for `bdcms[8]')
blockdev.c:85: error: initializer element is not constant
blockdev.c:85: error: (near initialization for `bdcms[9]')
blockdev.c:89: error: initializer element is not constant
blockdev.c:89: error: (near initialization for `bdcms[10]')
blockdev.c: In function `report_device':
blockdev.c:331: error: parse error before '[' token
make: *** [blockdev] Error 1

It seems there is a problem with the BLKBSZGET and the BLKBSZSET macros defined in
linux/include/linux/fs.h.
They both indirectly call the _IOC_TYPECHECK macro, which is defined in
linux/include/asm-386/ioctl.h thusly:

#define _IOC_TYPECHECK(t) \
	((sizeof(t) == sizeof(t[1]) && \
	  sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
	  sizeof(t) : __invalid_size_argument_for_IOC)


The problem is that _IOC_TYPECHECK is being called with a constant value (size_t), making the 
array indexing attempt illegal. Using gcc -E, BLKBSZGET expands to:
(((2U) << (((0 +8)+8)+14)) | (((0x12)) << (0 +8)) | (((112)) << 0) | (((((sizeof(sizeof(int)) == 
sizeof(sizeof(int)[1]) && sizeof(sizeof(int)) < (1 << 14)) ? sizeof(sizeof(int)) : 
       ^^^^^^^^^^^^^^  // illegal.
__invalid_size_argument_for_IOC))) << ((0 +8)+8))) 

Is this a known problem?

=====
I code, therefore I am

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             reply	other threads:[~2004-02-06 21:25 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-06 21:22 Alex Davis [this message]
2004-02-06 21:35 ` Valdis.Kletnieks
2004-02-09 22:09   ` Ed Tomlinson
2004-02-06 21:37 ` Andries Brouwer
2004-02-09 17:41   ` Mike Black
2004-02-09 18:59     ` Andries Brouwer
  -- strict thread matches above, loose matches on Subject: below --
2004-02-09 17:57 Alex Davis
2004-02-06 21:21 Alex Davis

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