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Keep +simd128 in the wasm build: pass extra flags with cargo --config #14

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Merged
ilnmtlbnm merged 1 commit into from
Oct 11, 2026
Merged

Keep +simd128 in the wasm build: pass extra flags with cargo --config #14

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19 changes: 15 additions & 4 deletions scripts/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -21,13 +21,24 @@ HF_PROD_BASE="https://huggingface.co/idle-intelligence/personaplex-24L-q4_k-webg
REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$REPO_ROOT"

# RUSTFLAGS as an env var REPLACES .cargo/config.toml's target rustflags
# instead of adding to it, silently dropping +simd128. --config merges with
# the config file's rustflags array, so the remap flag goes in through that
# instead.
REMAP_CONFIG="target.wasm32-unknown-unknown.rustflags=[\"--remap-path-prefix=$HOME=/home\"]"

echo "==> Building sts-wasm (wasm feature) for ENGINE_BUILD=$ENGINE_BUILD"
RUSTFLAGS="--remap-path-prefix=$HOME=/home" \
wasm-pack build crates/sts-wasm --target web --release --no-default-features --features wasm
# No "--" before --config: wasm-pack 0.14's extra-args parser mishandles the
# "--features <name> -- <extra>" combination (the "--" and everything after
# it get swallowed into --features's value list), so --config never reaches
# cargo. Passing --config straight after --features works and still reaches
# cargo build as an extra option.
wasm-pack build crates/sts-wasm --target web --release --no-default-features --features wasm \
--config "$REMAP_CONFIG"

echo "==> Building mimi-wasm"
RUSTFLAGS="--remap-path-prefix=$HOME=/home" \
wasm-pack build crates/mimi-wasm --target web --release
wasm-pack build crates/mimi-wasm --target web --release \
--config "$REMAP_CONFIG"

# --- Local-path / user-name leak check on built wasm outputs ---
for WASM in crates/sts-wasm/pkg/sts_wasm_bg.wasm crates/mimi-wasm/pkg/mimi_wasm_bg.wasm; do
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