Cross.toml

# cross-rs configuration for cross-compilation
# https://github.com/cross-rs/cross/wiki/Configuration
#
# The aarch64-unknown-linux-gnu image is x86_64 with aarch64 cross-compiler;
# we must install libdbus for arm64, not the host (x86_64).

[target.aarch64-unknown-linux-gnu]
# Install aarch64 libdbus so the cross-linker can find -ldbus-1
pre-build = [
    "dpkg --add-architecture arm64",
    "sh -c 'apt-get update && apt-get install -y --no-install-recommends libdbus-1-dev:arm64 && apt-get clean && rm -rf /var/lib/apt/lists/*'",
]
# Point linker and pkg-config at aarch64 libs (installed under /usr/lib/aarch64-linux-gnu)
[target.aarch64-unknown-linux-gnu.env]
passthrough = [
    "LIBRARY_PATH=/usr/lib/aarch64-linux-gnu",
    "PKG_CONFIG_PATH=/usr/lib/aarch64-linux-gnu/pkgconfig",
]