Objective
Generating a custom -current memstick image without all the debug feature enabled.Prerequisite
Have the head source installed (I will use /usr/src as example).If not, here is an example for synchronizing up-to-date head (-current) sources on /usr/src
svnlite co svn://svn.freebsd.org/base/head /usr/src
Customizing build compilation options
A little debug feature to disable on -current:echo "MALLOC_PRODUCTION=yes" > /etc/src.conf
Building world and kernel
New we start the classical building of world and our customized kernel.For information this step takes about 4 hours on my PC.
cd /usr/src
make buildworld; make buildkernel KERNCONF=GENERIC-NODEBUG
Generating install media image
Last step: Generating the install media.Here is an example for generating memstick install media without port tree (long live to pkgng! neither doc):
cd /usr/src/release
make -DNOPORTS -DNODOC memstick
Replace "memstick" by "cdrom" (bootonly.iso and release.iso) or "ftp" for other media.
You can add a -DNOSRC option for avoiding to include sources too on the media.
Then copy the image to your usb key:
dd if=memstick of=/dev/da0 bs=64k
Cleaning your mess
Your system has lot's of file that you don't need anymore, here is how to clean it:cd /usr/src/release
make clean
cd /usr/src
make clean
