Jean-Luc Pedneault wrote:
> I get this while compiling the 2.3.43 kernel (2.3.42 compiled fine):
>
> -----------
> make -C scsi modules
> make[2]: Entering directory `/usr/src/linux-2.3/drivers/scsi'
> ld -m elf_i386 -r -o sr_mod.o sr.o sr_ioctl.o sr_vendor.o
> gcc -D__KERNEL__ -I/usr/src/linux-2.3/include -Wall -Wstrict-prototypes
> -O2 -fomit-frame-pointer -pipe -DCPU=586 -DMODULE -c -o sg.o sg.c
> sg.c: In function `sg_init':
> sg.c:1092: `CONFIG_SD_EXTRA_DEVS' undeclared (first use in this function)
> sg.c:1092: (Each undeclared identifier is reported only once
>
> [snip]
>
> I notice that CONFIG_SD_EXTRA_DEVS is the broken #define, and I need it
> for my cd writer (via SCSI emulation). linux/drivers/scsi/Config.in seems
> to define this only when the SCSI disk support is set to Yes or Module,
> even though I got no SCSI disk inside my computer.
>
> Actually, sg.c DOES compile when SCSI Disk support is activated.
On my version of 2.3.43 sg.c lines 1091 and 1092 read:
size = sizeof(Sg_device) *
(sg_template.dev_noticed + SG_EXTRA_DEVS);
and compiles. Notice SG_EXTRA_DEVS not CONFIG_SD_EXTRA_DEVS. I recently
downloaded the whole 14 MBytes of 2.3.42 and then used a patch
from a mirror site to go to 2.3.43 . There is a lot of changes in
sg in that patch but that doesn't explain way you have a corrupted
version. Also patch-2.3.43 mentions SG_EXTRA_DEVS and not
CONFIG_SD_EXTRA_DEVS for the line in question.
Did you get the complete linux-2.3.43 source? If so this may
indicate a difference between 2.3.42+patch2.3.43 and the
linux-2.3.43 source.
Doug Gilbert
sg maintainer
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