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truekaiser
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PostPosted: Wed Dec 13, 2017 2:35 am    Post subject: Looking to set up gentoo on a pi 3b Reply with quote

Looking to make it a retropi but running gentoo. Anyone have any tips? Kinda confused on which guide to follow.
i would like to use 64bit but would that be good?
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NeddySeagoon
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PostPosted: Wed Dec 13, 2017 4:39 pm    Post subject: Reply with quote

EugeneTheJeep,

If you want the full Gentoo experience, there is Raspberry Pi 3 64 bit Install
There is a new stage3.

It runs Xfce4, that's keyworded ~arm64, and mate but mate is not yet keyworded for arm64 at all.
arm64 on Gentoo is an experimental architecture but most of the things I've tried seem to work.
The edges are pretty rough.

I'm having trouble with arm64 and cross distcc after switching to the /17.x/ profile. I've not got to the bottom of that yet.
For the full Gentoo experience, you will want cross distcc and a USB drive to build on. The SD card is slow.
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Sakaki
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PostPosted: Thu Dec 14, 2017 10:06 pm    Post subject: Reply with quote

NeddySeagoon wrote:
I'm having trouble with arm64 and cross distcc after switching to the /17.x/ profile. I've not got to the bottom of that yet.

Off-topic for this thread, apologies, but I've just started trying to get a arm64 17.0 / pie build working too, in preparation for when the 13.0 gets last-rited... any hints would be greatly appreciated ^-^ ... perhaps worth starting a new topic for this?
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truekaiser
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PostPosted: Tue Jan 02, 2018 1:03 am    Post subject: Reply with quote

Just an update. Could not get 64bit to work without freezing. got 32bit to work. got most of the software installed to make my own gentoo based emulation machine.. then ran into the brick wall of mupen64.
Claimed to have arm support. official ebuild won't build, neither will the libretro one. No documentation except for inside the make file that mentions arm support, neon extension and hard floating point. but no information to get it to build without failing as it looks for x86 specific stuff.
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NeddySeagoon
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PostPosted: Tue Jan 02, 2018 12:14 pm    Post subject: Reply with quote

truekaiser,

Well, its not going to work on arm64. All I did was keyword things in package.accept_keywords/ and shut my eyes. :)
Code:
Emerging (3 of 13) games-emulation/mupen64plus-core-2.5-r1::gentoo
 * mupen64plus-core-src-2.5.tar.gz BLAKE2B SHA512 size ;-) ...                                                                                                        [ ok ]
>>> Unpacking source...
>>> Unpacking mupen64plus-core-src-2.5.tar.gz to /var/tmp/portage/games-emulation/mupen64plus-core-2.5-r1/work
>>> Source unpacked in /var/tmp/portage/games-emulation/mupen64plus-core-2.5-r1/work
>>> Preparing source in /var/tmp/portage/games-emulation/mupen64plus-core-2.5-r1/work/mupen64plus-core-src-2.5 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/games-emulation/mupen64plus-core-2.5-r1/work/mupen64plus-core-src-2.5 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/games-emulation/mupen64plus-core-2.5-r1/work/mupen64plus-core-src-2.5 ...
make -j2 -C projects/unix UNAME=Linux V=1 CROSS_COMPILE=aarch64-unknown-linux-gnu- CC=aarch64-unknown-linux-gnu-gcc CXX=aarch64-unknown-linux-gnu-g++ PKG_CONFIG=aarch64-unknown-linux-gnu-pkg-config OPTFLAGS= PREFIX=/usr LIBDIR=/usr/lib64 LDCONFIG=: INSTALL_STRIP_FLAG= 'SDL_CFLAGS=-D_REENTRANT -I/usr/include/SDL2' SDL_LDLIBS=-lSDL2 OSD=0 NO_ASM=1 LIRC=0 DEBUGGER=0 NEW_DYNAREC=0 USE_GLES=1 all
make: Entering directory '/var/tmp/portage/games-emulation/mupen64plus-core-2.5-r1/work/mupen64plus-core-src-2.5/projects/unix'
Makefile:127: *** CPU type "aarch64" not supported.  Please file bug report at 'http://code.google.com/p/mupen64plus/issues'.  Stop.


You might have better luck on armv7a but I don't have easy access to one of those.
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Tzfardaya
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PostPosted: Mon Jan 08, 2018 12:13 am    Post subject: Reply with quote

NeddySeagoon wrote:


There is a new stage3.


I must be blind, I can't find a new stage 3... newest I can find is the 20161219 one...
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pjp
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PostPosted: Mon Jan 08, 2018 4:05 am    Post subject: Reply with quote

Tzfardaya wrote:
I must be blind, I can't find a new stage 3... newest I can find is the 20161219 one...

The guide NeddySeagoon linked to references distfiles.gentoo.org which points to a stage3 from 2017.12.04
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