Hi,
I began working on embedded Linux applications
with Red Hat 7.3 and Kernel 2.4.18, and
faced problems as follows:
1. How to change config:
As the first try, I commented out some un-necessary items
from
/usr/src/redhat/SPURCES/kernel-2.4.18-i686.config
then issues "rpm -bc kernel-2.4.spec"
After about 1 hour, many prompts came out, like
ATIXL busmouse support (CONFIG_ATIXL_BUSMOUSE) [N/m/?]
Logitech busmouse support (CONFIG_LOGIBUSMOUSE) [N/m/?]
Microsoft busmouse support (CONFIG_MS_BUSMOUSE) [N/m/?]
MK712 touch screen support (CONFIG_MK712_MOUSE) [N/y/m/?]
Acquire SBC Watchdog Timer (CONFIG_ACQUIRE_WDT) [N/y/m/?]
Advantech SBC Watchdog Timer (CONFIG_ADVANTECH_WDT) [N/y/m/?]
ALi M7101 PMU Watchdog Timer (CONFIG_ALIM7101_WDT) [N/y/m/?]
AMD "Elan" SC520 Watchdog Timer (CONFIG_SC520_WDT) [N/y/m/?]
......`
zlib compression support (CONFIG_ZLIB_DEFLATE) [N/y/m/?]
Finally, rebuilding failed with the message:
make: *** [oldconfig_nonint] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.86315 (%build)
RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.86315 (%build)
I noticed that there are 3 sets of config for Intel arch in
/usr/src/redhat/SOURCES:
kernel-2.4.18-i386-BOOT.config
kernel-2.4.18-i386.config
kernel-2.4.18-i386-smp.config
kernel-2.4.18-i586.config
kernel-2.4.18-i586-smp.config
kernel-2.4.18-i686-bigmem.config
kernel-2.4.18-i686.config
kernel-2.4.18-i686-debug.config
kernel-2.4.18-i686-smp.config
kernel-2.4.18-i686-uml.config
In order to remove some un-necessary device drivers from kernel and
loadable modules which are not needed for our embedded system,
what config files above shall be updated?
How to keep them consistent?
2. MIPS patch problem:
I tried to build a target kernel for MIPS without any changes
of config and specs using command:
rpm -bc --target MIPS kernel-2.4.spec
After about 10 minutes, rebuilding failed due to
patch problem, like:
+ echo 'Patch #280 (linux-2.4.16-mips-20011220.patch):'
Patch #280 (linux-2.4.16-mips-20011220.patch):
+ patch -p1 -s
Reversed (or previously applied) patch detected! Assume -R? [n] y
1 out of 8 hunks FAILED -- saving rejects to file arch/mips/Makefile.rej
Reversed (or previously applied) patch detected! Assume -R? [n]
out of 8 hunks FAILED -- saving rejects to file arch/mips/Makefile.rej
......
The similar situation happened for ARM arch as well.
I'm wondering if this source package works with MIPS and ARM.
If not, where can I get a working version for MIPS and ARM rebuilding?
Thank you!
Jiahan Chen
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