106 lines
3.5 KiB
Bash
Executable File
106 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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cd "$(dirname "$0")"
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# LinuxCNC source basis: native bridge object caches compile only project
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# canon/kinematics bridge sources that wrap LinuxCNC src/emc/nml_intf/canon.hh
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# and src/emc/kinematics implementations; G-code behavior remains in
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# LinuxCNC RS274 objects linked by the caller.
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linuxcnc_root=${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: $build_jobs" >&2
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exit 1
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fi
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cache_dir=${CNC_SIM_NATIVE_BRIDGE_OBJECT_CACHE_DIR-build/native-bridge-object-cache}
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if [[ -z "$cache_dir" ]]; then
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echo "CNC_SIM_NATIVE_BRIDGE_OBJECT_CACHE_DIR must not be empty" >&2
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exit 1
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fi
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if [[ "$cache_dir" =~ [[:space:]] ]]; then
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echo "CNC_SIM_NATIVE_BRIDGE_OBJECT_CACHE_DIR must not contain whitespace: $cache_dir" >&2
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exit 1
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fi
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mkdir -p "$cache_dir"
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cache_dir=$(cd "$cache_dir" && pwd)
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if [[ "$cache_dir" == "/" ]]; then
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echo "CNC_SIM_NATIVE_BRIDGE_OBJECT_CACHE_DIR must not be the filesystem root" >&2
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exit 1
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fi
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exec 8>"$cache_dir/native-bridge-objects.lock"
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flock 8
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preflight_cache_dir=${CNC_SIM_PREFLIGHT_CACHE_DIR:-"$cache_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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source_output=$(./list-linuxcnc-bridge-smoke-project-sources.sh)
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mapfile -t sources <<<"$source_output"
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common_flag_output=$(
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CNC_SIM_PREFLIGHT_CACHE_DIR="$preflight_cache_dir" \
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LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-source-common-cxxflags.sh \
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--no-ulapi \
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--core-include \
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--core-src
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)
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mapfile -t common_flags <<<"$common_flag_output"
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objects=()
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source_index=0
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for source in "${sources[@]}"; do
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objects+=("$cache_dir/source_${source_index}.o")
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source_index=$((source_index + 1))
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done
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signature="$cache_dir/native-bridge-objects.signature"
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next_signature="$cache_dir/native-bridge-objects.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" "$next_signature"; then
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rm -f "$cache_dir"/source_*.o "$cache_dir"/source_*.d
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fi
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mv "$next_signature" "$signature"
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makefile="$cache_dir/native-bridge-objects.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: $(OBJECTS)\n\n'
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source_index=0
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for source in "${sources[@]}"; do
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printf '%s: %s\n' "${objects[$source_index]}" "$source"
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printf '\t@$(CXX) $(COMMON_FLAGS) -MMD -MP -MF %s.d -c %s -o %s\n\n' \
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"${objects[$source_index]}" "$source" "${objects[$source_index]}"
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source_index=$((source_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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printf '%s\n' "${objects[@]}"
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