distcc failed to get includes from include server

[diablo465]

I am trying to use distcc to distribute the compilling work of an gentoo laptop to an server that also have Gentoo installed.

Here is the info of the laptop which runs distcc:

emerge --info

[diablo465]

-------------------------update -------------------------------
interestingly, when I make the setup reversed (i.e., PC becomes client that runs distcc, laptop becomes server that runs distccd, the job is able to be distributed from the client to the server), the compilling work can be successfully distributed from client to server. but during the compile, there are still some warnings:

pump emerge g++

[tlhonmey]

For me, compiling gcc, g++, etc hasn't ever made use of distcc. They don't get along well apparently. The difference is that, on my system, it doesn't even try to use it. Perhaps the ebuild for the new version of gcc doesn't disable distcc like it should? Might be worth looking.

[yuyuyak]

I use distcc extensively here. It's true that most of gcc doesn't use distcc, but some parts do, such as compiling mpc, etc. I think it's locked to MAKEOPTS="-j1" too, at least much of it. At least here in Funtooland. I concede that our gcc ebuilds are different.
I have this env variable:

[Goverp]

This is of no use to anyone, but I happily use distcc on gcc and gclib with -j3. I did once have a problem compiling gclib with distcc, but it turned out I'd upgraded distcc, and lost the symlinks to the wrapper function described in the Distcc/Crossdev guide.
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Greybeard