137 lines
4.7 KiB
Bash
Executable File
137 lines
4.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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cd "$(dirname "$0")"
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linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
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cxx=${CXX:-g++}
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if [[ -z ${CXX:-} ]] && command -v ccache >/dev/null 2>&1; then
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cxx="ccache $cxx"
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fi
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build_jobs=${CNC_SIM_BUILD_JOBS:-8}
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if ! [[ "$build_jobs" =~ ^[1-9][0-9]*$ ]]; then
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echo "CNC_SIM_BUILD_JOBS must be a positive integer: $build_jobs" >&2
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exit 1
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fi
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build_dir=${CNC_SIM_WASM_TOOLDATA_MMAP_SYMBOLS_BUILD_DIR-build/wasm-tooldata-mmap-symbols}
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if [[ -z "$build_dir" ]]; then
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echo "CNC_SIM_WASM_TOOLDATA_MMAP_SYMBOLS_BUILD_DIR must not be empty" >&2
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exit 1
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fi
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if [[ "$build_dir" =~ [[:space:]] ]]; then
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echo "CNC_SIM_WASM_TOOLDATA_MMAP_SYMBOLS_BUILD_DIR must not contain whitespace: $build_dir" >&2
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exit 1
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fi
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mkdir -p "$build_dir"
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build_dir=$(cd "$build_dir" && pwd)
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if [[ "$build_dir" == "/" ]]; then
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echo "CNC_SIM_WASM_TOOLDATA_MMAP_SYMBOLS_BUILD_DIR must not be the filesystem root" >&2
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exit 1
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fi
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exec 9>"$build_dir/tooldata-mmap-symbols.lock"
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flock 9
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preflight_cache_dir=${CNC_SIM_PREFLIGHT_CACHE_DIR:-"$build_dir/preflight-cache"}
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LINUXCNC_ROOT="$linuxcnc_root" ./check-linuxcnc-inputs-cached.sh --cache-dir "$preflight_cache_dir" --root-only
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linuxcnc_root=$(cd "$linuxcnc_root" && pwd)
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tooldata_mmap_backend_shim=$(./list-linuxcnc-wasm-safe-shims.sh tooldata_mmap_backend.cc)
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tooldata_mmap_source=$(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-source-files.sh src/emc/tooldata/tooldata_mmap.cc)
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common_flag_output=$(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-wasm-common-cxxflags.sh)
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mapfile -t common_flags <<<"$common_flag_output"
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sources=(
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"$tooldata_mmap_backend_shim"
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"$tooldata_mmap_source"
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)
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objects=(
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"$build_dir/tooldata_mmap_backend.o"
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"$build_dir/linuxcnc_tooldata_mmap.o"
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)
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signature="$build_dir/tooldata-mmap-symbols.signature"
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next_signature="$build_dir/tooldata-mmap-symbols.signature.next"
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{
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printf 'CXX=%s\n' "$cxx"
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printf 'PWD=%s\n' "$PWD"
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printf 'LINUXCNC_ROOT=%s\n' "$linuxcnc_root"
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printf 'BUILD_RULE_VERSION=1\n'
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printf 'COMMON_FLAGS='
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printf ' %s' "${common_flags[@]}"
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printf '\n'
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printf 'SOURCES:\n'
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printf '%s\n' "${sources[@]}"
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} > "$next_signature"
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if [[ ! -f "$signature" ]] || ! cmp -s "$signature" "$next_signature"; then
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rm -f "$build_dir"/*.o "$build_dir"/*.d
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fi
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mv "$next_signature" "$signature"
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makefile="$build_dir/tooldata-mmap-symbols.mk"
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{
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printf 'CXX := %s\n' "$cxx"
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printf 'COMMON_FLAGS :='
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printf ' %s' "${common_flags[@]}"
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printf '\n\n'
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printf 'OBJECTS :='
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printf ' %s' "${objects[@]}"
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printf '\n\n'
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printf 'DEP_FILES :=\n'
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for object in "${objects[@]}"; do
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printf 'DEP_FILES += %s.d\n' "$object"
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done
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printf '\n.PHONY: all\n'
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printf 'all: $(OBJECTS)\n\n'
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object_index=0
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for source in "${sources[@]}"; do
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printf '%s: %s\n' "${objects[$object_index]}" "$source"
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printf '\t@$(CXX) $(COMMON_FLAGS) -MMD -MP -MF %s.d -c %s -o %s\n\n' "${objects[$object_index]}" "$source" "${objects[$object_index]}"
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object_index=$((object_index + 1))
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done
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printf '\n-include $(DEP_FILES)\n'
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} > "$makefile"
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make --output-sync=target -j"$build_jobs" -f "$makefile" >/dev/null
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symbols_signature="$build_dir/tooldata-mmap-symbols.nm.signature"
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symbols_next_signature="$build_dir/tooldata-mmap-symbols.nm.signature.next"
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{
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printf 'SYMBOL_RULE_VERSION=1\n'
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stat -c 'OBJECT=%n:%s:%y' "${objects[@]}"
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} > "$symbols_next_signature"
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if [[ ! -f "$symbols_signature" || ! -f "$build_dir/backend.exports" || ! -f "$build_dir/linuxcnc.exports" ]] ||
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! cmp -s "$symbols_signature" "$symbols_next_signature"; then
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nm --defined-only "$build_dir/tooldata_mmap_backend.o" \
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| awk '$2 ~ /^[A-Z]$/ {print $3}' \
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| LC_ALL=C sort -u \
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> "$build_dir/backend.exports"
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nm --defined-only "$build_dir/linuxcnc_tooldata_mmap.o" \
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| awk '$2 ~ /^[A-Z]$/ {print $3}' \
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| LC_ALL=C sort -u \
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> "$build_dir/linuxcnc.exports"
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mv "$symbols_next_signature" "$symbols_signature"
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else
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rm -f "$symbols_next_signature"
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fi
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if ! comm -23 "$build_dir/linuxcnc.exports" "$build_dir/backend.exports" > "$build_dir/missing.exports"; then
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exit 1
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fi
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if [[ -s "$build_dir/missing.exports" ]]; then
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echo "missing wasm tooldata mmap backend exports from LinuxCNC tooldata_mmap.cc:" >&2
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cat "$build_dir/missing.exports" >&2
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exit 1
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fi
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comm -13 "$build_dir/linuxcnc.exports" "$build_dir/backend.exports" > "$build_dir/unexpected.exports"
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if [[ -s "$build_dir/unexpected.exports" ]]; then
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echo "unexpected wasm tooldata mmap backend exports beyond LinuxCNC tooldata_mmap.cc:" >&2
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cat "$build_dir/unexpected.exports" >&2
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exit 1
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fi
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echo "linuxcnc wasm tooldata_mmap symbol probe passed"
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