| How to rebuild kernel-module-alsa when upgrading kernel | | Thursday 24 June 2004 - 23:17:53 |
Whenever I upgrade the Linux kernel in Fedora Core 1 I have to recompile kernel-module-alsa from source. Luckily that's easy when you know how:
First prepare your kernel source tree as root
# cd /usr/src/linux-2.4
# make mrproper
# cp configs/-YOUR-.config .config
# make oldconfig
# make dep
If you're not sure which config file you should copy, you can probably grab the one from /boot instead:
# cp /boot/config-`uname -r` .config
Remove the word "custom" from the line in include/linux/version.h that reads something like
#define UTS_RELEASE "2.4.22-1.2199.nptlcustom"
Set up an RPM build environment in your home directory by putting this in ~/.rpmmacros, change the %_topdir to where you want to build RPMs. -march should also match your CPU.
%_topdir /home/cso/rpmbuild
%_tmppath /tmp
%optflags -march=i686
%_vendor fedora
Make the RPM build directories us user:
# mkdir -p ~/rpmbuild/RPMS ~/rpmbuild/BUILD ~/rpmbuild/SRPMS
Grab the alsa-driver SRPM:
$ wget http://ftp.freshrpms.net/pub/freshrpms/fedora/linux/1/alsa-driver/alsa-driver-1.0.5a-1.src.rpm
Now we're ready to compile the alsa module as a regular user. I have an Audigy sound card, so I only build the driver for this card. My PC's CPU is a Pentium III so target must be i686, change this to athlon if necessary.
$ rpmbuild --rebuild --target i686 --define "cards emu10k1" alsa-driver-1.0.4-1.src.rpm
$ cd /-YOUR-/-RPM-/-BUILD-/-DIR-/RPMS/i686
$ su
# rpm -Uvh --replacefiles --replacepkgs
alsa-driver-1.0.4-1.i686.rpm
kernel-module-alsa-1.0.4-1_2.4.22_1.2194.nptl.i686.rpm
# depmod -ae
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