about ccache permission adjusting

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about ccache permission adjusting

sempsteen
Hi,
I've changed my CFLAGS settings and merged ccache for future works. Now i'm updating my system with "emerge -e world". During merge i realize that ccache is adjusting permissions before and after for all packages, it's something like this:

>>> media-libs/libsdl-1.2.8-r1 merged.
* Adjusting permissions on ccache in /root/.ccache

>>> clean: No packages selected for removal.

>>> emerge (105 of 405) media-libs/jpeg-6b-r5 to /
* Adjusting permissions on ccache in /root/.ccache

My question is about this adjusting process, each adjusting process longs about 4 to 5 seconds. For whole update this makes 54 to 67.5 minutes and if this really is only an permission adjusting process i thought this is just loosing time. Can you help to understand this and if there is a settings for this that i missed would you show me?

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My make.conf file
-----------------------

CFLAGS="-march=pentium4 -mcpu=pentium4 -O2 -pipe -fomit-frame-pointer -momit-leaf-frame-pointer -fno-ident"
CHOST="i686-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j2"
GENTOO_MIRRORS="http://linux.rz.ruhr-uni-bochum.de/download/gentoo-mirror/ http://ftp.uni-erlangen.de/pub/mirrors/gentoo http://mirrors.sec.informatik.tu-darmstadt.de/gentoo/ http://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ http://pandemonium.tiscali.de/pub/gentoo/ http://gentoo.intergenia.de http://mirror.aiya.ru/pub/gentoo/ http://ftp.citkit.ru/pub/Linux/gentoo http://ftp.ankara.edu.tr/gentoo/"
SYNC="<a href="rsync://rsync.de.gentoo.org/gentoo-portage">rsync://rsync.de.gentoo.org/gentoo-portage"
USE="-3dfx -3dnow -3dnowext -afs -aim -qt -kde -ipv6 -nsplugin -doc -debug -spell -arts oss esd unicode gnome alsa mmx sse sse2 nls X gtk gtk2"
PORT_LOGDIR=/home/portage/logs
CLEAN_DELAY=0
FEATURES="ccache"
CCACHE_SIZE="2G"
CCACHE_DIR="/root/.ccache"