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toolchain: make emscripten toolchain work with rules_foreign_cc #16

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May 1, 2020
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toolchain: make emscripten toolchain work with rules_foreign_cc #16

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14 changes: 9 additions & 5 deletions toolchain/common.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -20,16 +20,20 @@ if [[ "$OSTYPE" == "linux-gnu" ]]; then
cd -P /proc/self/cwd
fi

TOOLCHAIN_ROOT=${EXT_BUILD_ROOT:-$PWD}

export NODE_JS=''
export EMSCRIPTEN_ROOT='external/emscripten_toolchain'
export EMSCRIPTEN_ROOT="${TOOLCHAIN_ROOT}/external/emscripten_toolchain"
export SPIDERMONKEY_ENGINE=''
export EM_EXCLUSIVE_CACHE_ACCESS=1
export EMCC_SKIP_SANITY_CHECK=1
export EMCC_WASM_BACKEND=1

source external/emscripten_toolchain/emsdk_env.sh
#echo "$(pwd)/external/emscripten_toolchain/emsdk_env.sh"
#realpath "external/emscripten_toolchain/emsdk_env.sh"
source "${EMSCRIPTEN_ROOT}/emsdk_env.sh"

# the emscripten sdk does some path comparison, so make EM_CACHE an absolute path to make it work.
mkdir -p "tmp/emscripten_cache"
export EM_CACHE=${PWD}"/tmp/emscripten_cache"
export TEMP_DIR="tmp"
mkdir -p "${TOOLCHAIN_ROOT}/tmp/emscripten_cache"
export EM_CACHE="${TOOLCHAIN_ROOT}/tmp/emscripten_cache"
export TEMP_DIR="${TOOLCHAIN_ROOT}/tmp"