Messages in this thread | | | Date | Fri, 6 Feb 2004 13:22:05 -0800 (PST) | From | Alex Davis <> | Subject | Issues with linux-2.6.2 |
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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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