205 lines
7.0 KiB
Bash
Executable File
205 lines
7.0 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: standalone probe modes either compile LinuxCNC
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# rs274/tooldata sources directly or link wasm-safe shims whose source basis is
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# checked against LinuxCNC source comments before building.
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usage() {
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echo "usage: $0 --mode tooldata-link|tooldata-common-link|interp-base-link|python-plugin-link|rs274ngc-pre-object" >&2
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}
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mode=
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--mode)
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if [[ "$#" -lt 2 ]]; then
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echo "missing --mode value" >&2
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exit 1
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fi
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mode=$2
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shift 2
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;;
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--help|-h)
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usage
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exit 0
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;;
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*)
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usage
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echo "unknown wasm standalone probe option: $1" >&2
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exit 1
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;;
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esac
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done
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case "$mode" in
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tooldata-link|tooldata-common-link|interp-base-link|python-plugin-link|rs274ngc-pre-object)
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;;
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"")
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usage
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echo "missing --mode" >&2
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exit 1
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;;
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*)
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usage
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echo "unknown wasm standalone probe mode: $mode" >&2
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exit 1
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;;
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esac
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linuxcnc_root=${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_WASM_STANDALONE_PROBE_CACHE_DIR-build/wasm-standalone-probe-cache}
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if [[ -z "$cache_dir" ]]; then
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echo "CNC_SIM_WASM_STANDALONE_PROBE_CACHE_DIR must not be empty" >&2
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exit 1
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fi
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if [[ "$cache_dir" =~ [[:space:]] ]]; then
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echo "CNC_SIM_WASM_STANDALONE_PROBE_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 [[ "$cache_dir" == "/" ]]; then
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echo "CNC_SIM_WASM_STANDALONE_PROBE_CACHE_DIR must not be the filesystem root" >&2
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exit 1
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fi
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preflight_cache_dir=${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 "$linuxcnc_root" && pwd)
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common_flag_args=()
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sources=()
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target_name=
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case "$mode" in
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tooldata-link|tooldata-common-link)
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if [[ "$mode" == "tooldata-common-link" ]]; then
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common_flag_args+=(--tooldata-include)
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fi
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tooldata_mmap_backend_shim=$(./list-linuxcnc-wasm-safe-shims.sh tooldata_mmap_backend.cc)
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tooldata_runtime_stubs_shim=$(./list-linuxcnc-wasm-safe-shims.sh tooldata_runtime_stubs.cc)
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tooldata_common_source=$(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-source-files.sh src/emc/tooldata/tooldata_common.cc)
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grep -F 'LinuxCNC source basis: src/emc/tooldata/tooldata_common.cc provides' core/wasm_shims/tooldata/tooldata_common_probe_main.cc >/dev/null
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grep -F 'LinuxCNC source basis: src/emc/tooldata/tooldata_mmap.cc, tooldata_nml.cc,' core/wasm_shims/tooldata/tooldata_probe_main.cc >/dev/null
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sources+=(
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"$tooldata_common_source"
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"$tooldata_mmap_backend_shim"
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"$tooldata_runtime_stubs_shim"
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)
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if [[ "$mode" == "tooldata-link" ]]; then
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sources+=(core/wasm_shims/tooldata/tooldata_probe_main.cc)
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target_name=tooldata_probe
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else
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sources+=(core/wasm_shims/tooldata/tooldata_common_probe_main.cc)
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target_name=tooldata_common_probe
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fi
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;;
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interp-base-link)
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dlfcn_shim=$(./list-linuxcnc-wasm-safe-shims.sh dlfcn.cc)
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interp_base_source=$(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-source-files.sh src/emc/rs274ngc/interp_base.cc)
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grep -F 'LinuxCNC source basis: src/emc/rs274ngc/interp_base.cc provides' core/wasm_shims/interp_base_probe_main.cc >/dev/null
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sources+=(
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"$dlfcn_shim"
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"$interp_base_source"
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core/wasm_shims/interp_base_probe_main.cc
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)
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target_name=interp_base_probe
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;;
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python-plugin-link)
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python_plugin_shim=$(./list-linuxcnc-wasm-safe-shims.sh python_plugin.cc)
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grep -F 'LinuxCNC source basis: src/emc/pythonplugin/python_plugin.cc and' core/wasm_shims/pythonplugin/python_plugin_probe_main.cc >/dev/null
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sources+=(
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"$python_plugin_shim"
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core/wasm_shims/pythonplugin/python_plugin_probe_main.cc
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)
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target_name=python_plugin_probe
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;;
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rs274ngc-pre-object)
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rs274ngc_pre_source=$(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-source-files.sh src/emc/rs274ngc/rs274ngc_pre.cc)
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grep -F 'core:src/emc/rs274ngc/rs274ngc_pre.cc:Interp implementation covered by rs274ngc_pre link probe' linuxcnc-rs274-wasm-source-files.txt >/dev/null
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sources+=("$rs274ngc_pre_source")
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target_name=rs274ngc_pre.o
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;;
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esac
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common_flag_output=$(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-wasm-common-cxxflags.sh "${common_flag_args[@]}")
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mapfile -t common_flags <<<"$common_flag_output"
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mode_dir="$cache_dir/$mode"
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mkdir -p "$mode_dir"
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exec 8>"$mode_dir/probe.lock"
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flock 8
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objects=()
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object_index=0
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for source in "${sources[@]}"; do
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objects+=("$mode_dir/source_${object_index}.o")
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object_index=$((object_index + 1))
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done
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target="$mode_dir/$target_name"
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if [[ "$mode" == "rs274ngc-pre-object" ]]; then
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target=${objects[0]}
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fi
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signature="$mode_dir/probe.signature"
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next_signature="$mode_dir/probe.signature.next"
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{
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printf 'CXX=%s\n' "$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 'MODE=%s\n' "$mode"
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printf 'BUILD_RULE_VERSION=1\n'
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printf 'COMMON_FLAGS='
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printf ' %s' "${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" "$next_signature"; then
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rm -f "$mode_dir"/source_*.o "$mode_dir"/source_*.d "$target"
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fi
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mv "$next_signature" "$signature"
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makefile="$mode_dir/probe.mk"
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{
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printf 'CXX := %s\n' "$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: %s\n\n' "$target"
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object_index=0
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for source in "${sources[@]}"; do
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printf '%s: %s\n' "${objects[$object_index]}" "$source"
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printf '\t@$(CXX) $(COMMON_FLAGS) -MMD -MP -MF %s.d -c %s -o %s\n\n' \
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"${objects[$object_index]}" "$source" "${objects[$object_index]}"
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object_index=$((object_index + 1))
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done
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if [[ "$mode" != "rs274ngc-pre-object" ]]; then
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printf '%s: $(OBJECTS)\n' "$target"
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printf '\t@$(CXX) $(OBJECTS) -o %s\n\n' "$target"
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fi
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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' "$target"
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