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afd0eb172c
- change the common emscripten locator to warn if $EMCC or $EMSCRIPTEN_BASE/emcc.py is present but not executable - emscripten v3.1.50 via homebrew seems to be not executable
31 lines
1.6 KiB
Bash
31 lines
1.6 KiB
Bash
# shellcheck shell=bash
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# no hashbang for .inc.sh
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#
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# We don't want to rely on emcc.py being on the path, because Emscripten puts far
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# too many things onto the path (in particular for us, node).
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#
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# The following comment suggests that we don't need emcc.py on the path.
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# https://github.com/emscripten-core/emscripten/issues/4848#issuecomment-1097357775
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#
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# So we try and locate emcc.py in common locations ourselves. The search pattern
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# is:
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#
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# 1. Look for $EMSCRIPTEN_BASE (our primary emscripten variable), which should
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# point to the folder that emcc.py is located in
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# 2. Look for $EMCC which should point to the emcc.py executable
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# 3. Look for emcc.py on the path
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#
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locate_emscripten() {
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if [[ -z ${EMSCRIPTEN_BASE+x} ]]; then
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if [[ -z ${EMCC+x} ]]; then
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local EMCC=`which emcc.py`
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[[ -z $EMCC ]] && builder_die "locate_emscripten: Could not locate emscripten (emcc.py) on the path or with \$EMCC or \$EMSCRIPTEN_BASE"
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fi
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[[ -f $EMCC && ! -x $EMCC ]] && builder_die "locate_emscripten: Variable EMCC ($EMCC) points to emcc.py but it is not executable"
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[[ -x $EMCC ]] || builder_die "locate_emscripten: Variable EMCC ($EMCC) does not point to a valid executable emcc.py"
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EMSCRIPTEN_BASE="$(dirname "$EMCC")"
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fi
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[[ -f ${EMSCRIPTEN_BASE}/emcc.py && ! -x ${EMSCRIPTEN_BASE}/emcc.py ]] && builder_die "locate_emscripten: Variable EMSCRIPTEN_BASE ($EMSCRIPTEN_BASE) contains emcc.py but it is not executable"
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[[ -x ${EMSCRIPTEN_BASE}/emcc.py ]] || builder_die "locate_emscripten: Variable EMSCRIPTEN_BASE ($EMSCRIPTEN_BASE) does not point to emcc.py's folder"
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}
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