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# This file is part of ICU4X. For terms of use, please see the file
# called LICENSE at the top level of the ICU4X source tree
# (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
.DEFAULT_GOAL := target/wasm32-unknown-unknown/release/icu_capi_cdylib.wasm
FORCE:
ICU4X_NIGHTLY_TOOLCHAIN ?= "nightly-2022-12-26"
# 100 KiB, working around a bug in older rustc
# https://github.com/unicode-org/icu4x/issues/2753
WASM_STACK_SIZE := 100000
target/wasm32-unknown-unknown/release/icu_capi_cdylib.wasm: FORCE
rustup toolchain install ${ICU4X_NIGHTLY_TOOLCHAIN}
rustup component add rust-src --toolchain ${ICU4X_NIGHTLY_TOOLCHAIN}
RUSTFLAGS="-Cpanic=abort -Copt-level=s -C link-args=-zstack-size=${WASM_STACK_SIZE} -Clto -Cembed-bitcode" \
CARGO_TARGET_DIR="target" \
cargo +${ICU4X_NIGHTLY_TOOLCHAIN} build \
-Z build-std=std,panic_abort -Z build-std-features=panic_immediate_abort \
--target wasm32-unknown-unknown \
--release \
-p icu_capi_cdylib \
--features buffer_provider
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