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Partial migration of cross-compilation from cross to Cargo.

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Nahuel Lofeudo
2026-05-25 09:49:26 +01:00
parent 0a7a425ea7
commit cba2b17f57
3 changed files with 35 additions and 21 deletions
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readme.md
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@@ -6,21 +6,28 @@
## Install ARM toolchains:
```
cargo install cross
rustup target add aarch64-unknown-linux-gnu # 64-bit Pi OS
rustup target add armv7-unknown-linux-gnueabihf # 32-bit Pi 2/3/4 OS
rustup target add arm-unknown-linux-gnueabihf # ARMv6 (Pi Zero/1)
```bash
$ rustup target add aarch64-unknown-linux-gnu
$ rustup target add arm-unknown-linux-gnueabihf
sudo apt-get update
sudo apt-get install gcc-aarch64-linux-gnu gcc-arm-linux-gnueabihf
$ sudo dpkg --add-architecture arm64
$ sudo dpkg --add-architecture armhf
$ sudo apt update
$ sudo apt-get install gcc-aarch64-linux-gnu gcc-arm-linux-gnueabihf \
libc6-arm64-cross libc6-dev-arm64-cross gcc-aarch64-linux-gnu \
libc6-armhf-cross libc6-dev-armhf-cross gcc-arm-linux-gnueabihf \
libssl-dev libssl-dev:arm64 libsdl3-dev:arm64 libssl-dev:armhf libsdl3-dev:armhf
```
## Cross-compile
```
# 2) Build
~/.cargo/bin/cross build --target aarch64-unknown-linux-gnu --release
~/.cargo/bin/cross build --target armv7-unknown-linux-gnueabihf --release
~/.cargo/bin/cross build --target arm-unknown-linux-gnueabihf --release
ARM64
```bash
$ export PKG_CONFIG_SYSROOT_DIR=/usr/aarch64-linux-gnu/
$ cargo build --target aarch64-unknown-linux-gnu --release
$ export PKG_CONFIG_SYSROOT_DIR=/usr/arm-linux-gnueabihf/
$ cargo build --target arm-unknown-linux-gnueabihf --release
```