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Compiling/Installing

Debian-based Linux

You can use the Pi-Apps-Coders apt repository to install precompiled box64 debs, updated every 24 hours.

# check if .list file already exists
if [ -f /etc/apt/sources.list.d/box64.list ]; then
  sudo rm -f /etc/apt/sources.list.d/box64.list || exit 1
fi

# check if .sources file already exists
if [ -f /etc/apt/sources.list.d/box64.sources ]; then
  sudo rm -f /etc/apt/sources.list.d/box64.sources || exit 1
fi

# download gpg key from specified url
if [ -f /usr/share/keyrings/box64-archive-keyring.gpg ]; then
  sudo rm -f /usr/share/keyrings/box64-archive-keyring.gpg
fi
sudo mkdir -p /usr/share/keyrings
wget -qO- "https://pi-apps-coders.github.io/box64-debs/KEY.gpg" | sudo gpg --dearmor -o /usr/share/keyrings/box64-archive-keyring.gpg

# create .sources file
echo "Types: deb
URIs: https://Pi-Apps-Coders.github.io/box64-debs/debian
Suites: ./
Signed-By: /usr/share/keyrings/box64-archive-keyring.gpg" | sudo tee /etc/apt/sources.list.d/box64.sources >/dev/null

sudo apt update
sudo apt install box64-generic-arm -y

Alternatively, you can generate your own package using the instructions below.

The general approach is:

git clone https://github.com/ptitSeb/box64
cd box64
mkdir build; cd build; cmake .. ${OPTIONS}
make -j4  
sudo make install

If it's the first install, you also need:

sudo systemctl restart systemd-binfmt
  • You can use make -j1, make -j2 to prevent running out of memory
  • You can also add -DBAD_SIGNAL=ON to the cmake command if you are on Linux Kernel mixed with Android, like on RK3588.

For Instance, if you want to build box64 for Generic ARM64 Linux platforms, it would look like this:

git clone https://github.com/ptitSeb/box64
cd box64
mkdir build; cd build; cmake .. -D ARM_DYNAREC=ON -D CMAKE_BUILD_TYPE=RelWithDebInfo
make -j4
sudo make install
sudo systemctl restart systemd-binfmt

for RK3399

Using a 64bit OS:

-D RK3399=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for RK3588 / RK3588S

Using a 64bit OS:

-D RK3588=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Raspberry Pi 3

Warning, you need a 64bit OS:

If building on the Pi, you will also need a large swap (3 GB+) [optionally reduce GPU memory to a minimum (e.g. 16 MB) using raspi-config (and reboot) before starting the build]:

You can use e.g. 'make -j4' to speed up the build, but on a Pi 3 with 1GB memory you will likely run out of memory at some point and need to run the build again. Still, this can be faster if your build is attended.

-D RPI3ARM64=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Raspberry Pi 4

Warning, you need a 64bit OS:

-D RPI4ARM64=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Raspberry Pi 5

-D RPI5ARM64=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for TEGRA X1

Using a 64bit OS:

-D TEGRAX1=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Jetson Xavier/T194

Using a 64bit OS:

-D TEGRA_T194=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Jetson Orin/T234

Using a 64bit OS:

Caution: please use gcc-11 or higher, older gcc dosen't know cortex-a78ae

-D TEGRA_T234=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for ODROID N2/N2+

Using a 64bit OS:

-D ODROIDN2=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Snapdragon

Using a 64bit OS:

-D SD845=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

or

-D SD888=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

Depending how recent your Snapdragon is

for Phytium

Using a 64bit OS:

-D PHYTIUM=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for ADLink machines

Using a 64bit OS:

-D ADLINK=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for M1

Only test on Asahi with Fedora, using the default "16K page" kernel

-D M1=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for LoongArch

Using a 64bit OS:

-D LARCH64=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for RISC-V

Using a 64bit OS:

-D RV64=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for PowerPC 64 LE

Using a 64bit OS:

-D PPC64LE=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for LX2160A

Using a 64bit OS:

-D LX2160A=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

for Termux

You must have ARM64 Device for build box64.

in CHRoot/PRoot
-D ARM64=1 -DCMAKE_C_COMPILER=gcc -DBAD_SIGNAL=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo
in Termux (Native)

NOTE: BUILDING BOX64 IN TERMUX NATIVE IS EXPERIMENTAL AND DOESN'T GONNA RUN LINUX BINARIES IN NATIVE TERMUX BOX64!!!

You also needed have libandroid-sysv-semaphore and libandroid-spawn libraries:

-D TERMUX=1 -DCMAKE_C_COMPILER=clang -D CMAKE_BUILD_TYPE=RelWithDebInfo

for x86_64 Linux

-D LD80BITS=1 -D NOALIGN=1 -D CMAKE_BUILD_TYPE=RelWithDebInfo

If you encounter some linking errors, try using NOLOADADDR=ON (cmake -D NOLOADADDR=ON; make -j$(nproc)).

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 to have the Zydis library in your LD_LIBRARY_PATH or in the system library folders at runtime. Use version v3.2.1, as later version changed the API and will no longer work with box64

To have ARM Dynarec

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

To have a build using less memory

You can use -DSAVE_MEM to have a build that will try to save some memory. It's, for now, only increasing the jumptable from 4 level to 5 levels. The added granularity avoid wasting space, but the 1 level more to the jumptable means there is on read from memory more when jumping between blocks.

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 (box64 uses git SHA1 to show last commit in version number).

Use faster linker

You need to add -DWITH_MOLD=1 if GNU ld is extremely slow. Then run mold -run make -j4 to build (make sure Mold is installed).

Build a statically linked box64

You can now build box64 staticaly linked, with -DSTATICBUILD. This is to use inside an x86_64 chroot. Note that this version of box64 will have just the minimum of wrapped libs. So only libc, libm and libpthread basically are wrapped. Other libs (like libGL or libvulkan, SDL2, etc...) will not be wrapped and x86_64 version will be used. It's designed to be used in docker image, or in headless server. Also, the Static Build is highly experimental, but feedback are always welcomed.

Testing

A few tests are included with box64.

They can be launched using the ctest command.

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

Debian Packaging

Box64 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.