Justin Findlay wrote:
> I'm trying to find out why ccache won't cache anything. Building and
> maintaining for three months an entire system got me all of 5 cache
> hits. What can I do to encourace more cache usage? One of the methods
> I'm investigating is to determine and eliminate CFLAGS arguments that
> may cause 'unsupported compiler option' to be incremented. Is there
> anything else I can try?
>
> # ccache -s
> cache directory /var/tmp/ccache
> cache hit 5
> cache miss 153
> called for link 14836
> multiple source files 87
> compile failed 2
> preprocessor error 1732
> bad compiler arguments 1
> not a C/C++ file 4774
> autoconf compile/link 28079
> unsupported compiler option 2569
> no input file 8965
> files in cache 306
> cache size 4.3 Mbytes
> max cache size 2.5 Gbytes
>
> # grep CFLAGS /etc/make.conf
> CFLAGS="-march=athlon64 -mtune=athlon64 -m64 -O3 -fmessage-length=0 -pipe"
> CXXFLAGS="${CFLAGS}"
>
>
> Justin
>
Well, I have been using mine longer than that. I have even done a
emerge -e world a couple times.
> [EMAIL PROTECTED] / # ccache -s
> cache hit 0
> cache miss 0
> files in cache 0
> cache size 0 Kbytes
> max cache size 768.0 Mbytes
> [EMAIL PROTECTED] / #
Looks like you are not alone.
Dale
:-) :-)
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