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COMPILE.md

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Compiling/Installing

If you don't want to compile box86 yourself and prefer to use third-party pre-build version, go to the end of the document for alternatives.

You can also generate your own debian package using the instructions below.

Important note, if you are using a 64bits OS, you need to have multi-arch enabled, with armhf support, for box86 to works. On Debian/Ubuntu/Armbian OS, you need to do:

sudo dpkg --add-architecture armhf && sudo apt-get update
sudo apt-get install libc6:armhf -y

And of course you will need to install much more library to be able to run software and games (like X11, mesa, SDL, pulseaudio...)

Per-platform compiling instructions

for Pandora

mkdir build; cd build; cmake .. -DPANDORA=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make

for Pyra

mkdir build; cd build; cmake .. -DPYRA=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make

for Gameshell

mkdir build; cd build; cmake .. -DGAMESHELL=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make

for Raspberry Pi

A build for model 2, 3 and 4 can be done. Model 1 and 0 cannot (at least not with Dynarec, as they lack NEON support)

git clone https://github.com/ptitSeb/box86
cd box86
mkdir build; cd build; cmake .. -DRPI4=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo # -DRPI4=1 for Pi4 (use `-DRPI2=1` etc for other models)
make # can use `make -j2`, `make -j3`, etc to speed up 1st build (but beware of running out of memory if going too high)
sudo make install
sudo systemctl restart systemd-binfmt

for Raspberry Pi on 64bit OS

armhf multiarch or chroot required for running box86 (armhf) on aarch64

# example of enabling multiarch & installing libc6:armhf (to run box86:armhf on aarch64)
#  (running i386-wine on aarch64 requires more armhf libraries)
sudo dpkg --add-architecture armhf && sudo apt-get update
sudo apt-get install libc6:armhf -y

Build box86:armhf on RPiOS 64-bit ARM (aarch64)

sudo apt install gcc-arm-linux-gnueabihf # building 32-bit ARM code on aarch64 requires this armhf gcc cross-compiler toolchain 
git clone https://github.com/ptitSeb/box86
cd box86
mkdir build; cd build; cmake .. -DRPI4ARM64=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo # -DRPI4ARM64=1 for Pi4 aarch64 (use `-DRPI3ARM64=1` for a PI3 model)
make -j2
sudo make install
sudo systemctl restart systemd-binfmt

for ODROID-XU3/XU4/MC1/HC1/HC2

mkdir build; cd build; cmake .. -DODROIDXU4=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

for RK3399

mkdir build; cd build; cmake .. -DRK3399=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

As most RK3399 devices run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

Also, on armbian, you may need to install libc6-dev-armhf-cross or you may have an issue with crt1.o and a few other files not included with box86.

for RK3588 / RK3588S

mkdir build; cd build; cmake .. -DRK3588=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j4

As most RK3588 devices run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

Also, on armbian, you may need to install libc6-dev-armhf-cross or you may have an issue with crt1.o and a few other files not included with box86.

for ODROID-N2/N2+

mkdir build; cd build; cmake .. -DODROIDN2=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

As most ODROID-N2/N2+ devices run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

Also, on armbian, you may need to install libc6-dev-armhf-cross or you may have an issue with crt1.o and a few other files not included with box86.

for Tinker Board (1/1S) or RK3288

mkdir build; cd build; cmake .. -DRK3288=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

for Allwinner A64

mkdir build; cd build; cmake .. -DA64=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

As most Allwinner A64 devices run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

Also, on armbian, you may need to install libc6-dev-armhf-cross or you may have an issue with crt1.o and a few other files not included with box86.

for Snapdragon

mkdir build; cd build; cmake .. -DSD845=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j4 or mkdir build; cd build; cmake .. -DSD888=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j4

Depending how old/recent you SD is. As most Snapdragon devices run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On mobian, install it with sudo apt install gcc-arm-linux-gnueabihf.

for Phytium

mkdir build; cd build; cmake .. -DPHYTIUM=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j4

As most Phytium (D2000 or FT2000/4) devices run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

Also, on armbian, you may need to install libc6-dev-armhf-cross or you may have an issue with crt1.o and a few other files not included with box86.

for ADLink AmpereAltra

mkdir build; cd build; cmake .. -DADLINK=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j

As ADLINK AmpereAltra computers run an AARCH64 OS, you'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

for Other ARM64 64bits Linux platform

mkdir build; cd build; cmake .. -DARM64=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

You can also add -DBAD_SIGNAL=ON to the cmake command if you are on Linux Kernel mixed with Android, like on RK3588 or maybe Termux

You'll need an armhf multiarch environment, and an armhf gcc: On debian, install it with sudo apt install gcc-arm-linux-gnueabihf.

Also, on armbian, you may need to install libc6-dev-armhf-cross or you may have an issue with crt1.o and a few other files not included with box86.

for Other ARM Linux platforms

mkdir build; cd build; cmake .. -DARM_DYNAREC=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

You can also add -DBAD_SIGNAL=ON to the cmake command if you are on Linux Kernel mixed with Android, like on RK3588 or maybe Termux

for x86 Linux

mkdir build; cd build; cmake .. -DCMAKE_C_FLAGS="-m32" -DLD80BITS=1 -DNOALIGN=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo; make -j3

use ccmake

Alternatively, you can use the curses-bases ccmake (or any other gui frontend for cmake) to select wich platform to use interactively.

Customize your build

use ccache if you have it

Add -DUSE_CCACHE=1 if you have ccache (it's better if you plan to touch the sources)

To have some debug info

The -DCMAKE_BUILD_TYPE=RelWithDebInfo argument makes a build that is both optimized for speed, and has debug information embedded. That way, if you have a crash or try to analyse performance, you'll have some symbols.

To have a Trace Enabled build

To have a trace enabled build (the interpreter will be slightly slower), add -DHAVE_TRACE=1. But you will need the Zydis library in your LD_LIBRARY_PATH or in the system library folders at runtime.

to have ARM Dynarec

Note: VFPv3 and NEON are required for Dynarec.
You might need to sudo apt install neon-support package for CMAKE to correctly detect them.
Note: Compiling with ARM_DYNAREC without selecting a hardware profile is not advised.

Dynarec is only available on the ARM architecture (for the meantime anyways). Activate it by using -DARM_DYNAREC=1.

You will most likely need -marm in compilation flags (Many compilers default to the Thumb instruction set and Dynarec does not support this).

Note: If you get error building that "target CPU does not support ARM mode", then try to pick a hardware profile (like ODROIDXU4 for armv7 or PI4 for armv8).
64bit OS with Dynarec

If you are using a 64bit OS with armhf multiarch, it's much easier to pick one of the hardware profiles.

RPI4ARM64, RK3399, PHYTIUM or SD845.

Not building from a git clone

If you are not building from a git clone (for example, downloading a release source code zip from github), you need to use -DNOGIT=1 from cmake to be able to build (box86 uses git SHA1 to show last commit in version number).

Testing

A few tests are included with box86.

They can be launched using the ctest command.

The tests are very basic and only tests some functionality for now.

Note about devices with Tegra X1 and newer.

NVIDIA doesn't provide armhf libraries for their GPU drivers at this time. There is no special variable to compile box86 for them, as it would be misleading to many people. If you still want to use it wihout GPU acceleration, building it with RPI4 configuration should work just fine. Installation of Mesa can break the NVIDIA driver, so the safest option is to use a chroot environment.

Debian Packaging

Box86 can also be packaged into a .deb file using the source code zip from the releases page with DEB_BUILD_OPTIONS=nostrip dpkg-buildpackage -us -uc -nc. Configure any additional cmake options you might want in debian/rules.

Pre-build packages

Debian-based Linux

You can use the Pi-Apps-Coders apt repository to install precompiled box86 debs, updated every 24 hours.

# check if .list file already exists
if [ -f /etc/apt/sources.list.d/box86.list ]; then
  sudo rm -f /etc/apt/sources.list.d/box86.list || exit 1
fi
# check if .sources file already exists
if [ -f /etc/apt/sources.list.d/box86.sources ]; then
  sudo rm -f /etc/apt/sources.list.d/box86.sources || exit 1
fi
# download gpg key from specified url
if [ -f /usr/share/keyrings/box86-archive-keyring.gpg ]; then
  sudo rm -f /usr/share/keyrings/box86-archive-keyring.gpg
fi
sudo mkdir -p /usr/share/keyrings
wget -qO- "https://pi-apps-coders.github.io/box86-debs/KEY.gpg" | sudo gpg --dearmor -o /usr/share/keyrings/box86-archive-keyring.gpg
# create .sources file
echo "Types: deb
URIs: https://Pi-Apps-Coders.github.io/box86-debs/debian
Suites: ./
Signed-By: /usr/share/keyrings/box86-archive-keyring.gpg" | sudo tee /etc/apt/sources.list.d/box86.sources >/dev/null

On a 32bit OS, run the following additional commands

sudo apt update
sudo apt install box86-generic-arm -y

On a 64bit OS, run the following additional commands

sudo dpkg --add-architecture armhf
sudo apt update
sudo apt install box86-generic-arm:armhf -y