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build: make aarch64 linker sysroot-safe

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Fimeg 2026-07-12 18:00:31 -04:00
commit ffa8b498a3
4 changed files with 69 additions and 11 deletions
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11
.gitea/workflows/ci.yml
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@ -100,17 +100,10 @@ jobs:
run: |
set -euo pipefail
cd "$GITHUB_WORKSPACE/src/Souveraine"
export PKG_CONFIG_ALLOW_CROSS=1
export PKG_CONFIG_LIBDIR="$HOME/aarch64-sysroot/usr/lib/pkgconfig"
export PKG_CONFIG_SYSROOT_DIR="$HOME/aarch64-sysroot"
export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc
# Without --sysroot the cross gcc's default sysroot (/usr/aarch64-linux-gnu,
# sparse) has no libmvec, so the linker falls back to the host x86_64 one
# and fails. Point it at the full chroot sysroot where aarch64 libmvec lives.
export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUSTFLAGS="-C link-arg=--sysroot=$HOME/aarch64-sysroot"
# Persistent target dir: fresh clones per run, warm compile cache.
export CARGO_TARGET_DIR="$HOME/.cache/souveraine-ci-target"
cargo build --release --target aarch64-unknown-linux-gnu
export SOUVERAINE_AARCH64_SYSROOT="$HOME/aarch64-sysroot"
./scripts/build-cross.sh
BIN="$CARGO_TARGET_DIR/aarch64-unknown-linux-gnu/release/souveraine"
file "$BIN" | grep -q aarch64 || { echo "built binary is not aarch64" >&2; exit 1; }
cp "$BIN" souveraine-aarch64