Gentoo Tips And Tricks
emerge -a -u --deep --newuse world 2>&1 | tee emerge-world.txt
Check the messages at the end of emerge-world.txt, to see if you need to reconfigure your system after packages have been upgraded.
To make sure you did not break any library dependencies. Run
after a world upgrade.
Cleaning old packages after updating world
After updating world, remove old or unneeded packages using:
emerge -a --depclean
After this, you need to check the dependencies of all installed packages using:
Overriding environment settings
For some packages, you may need to override environment settings from make.conf. Do this by creating a file called:
- /etc/portage/env/[category]/[package] or
export CFLAGS="-O2 -march=athlon64 -pipe"
I normally use
CFLAGS="-O2 -march=barcelona -pipe"
in make.conf, which is not supported yet in gcc-4.2.4.
- 27 Feb 2011