高效率推进 LinuxCNC 源码对齐流程

说明：集中 LinuxCNC 源码清单与 wasm/native probe 的路径解析，补强 manifest、shim、source-link 检查，并保持 LinuxCNC 源码后端对齐验证流程可复用。

验证：./test-native.sh；./test-linuxcnc-source-link.sh；./test-all-native.sh；wasm source/probe 相关脚本。

test-linuxcnc-wasm-interp-find-link.sh

@@ -11,16 +11,17 @@ if [[ ! -d "$linuxcnc_root" ]]; then
     echo "missing LinuxCNC root: $linuxcnc_root" >&2
     exit 1
 fi
-for required_source in \
-    src/emc/tooldata/tooldata_common.cc \
-    src/emc/rs274ngc/interp_find.cc; do
-    if [[ ! -f "$linuxcnc_root/$required_source" ]]; then
-        echo "missing LinuxCNC source: $required_source" >&2
-        exit 1
-    fi
-done
 trap 'rm -rf "$build_dir"' EXIT
 
+tooldata_mmap_backend_shim=$(./list-linuxcnc-wasm-safe-shims.sh tooldata_mmap_backend.cc)
+tooldata_runtime_stubs_shim=$(./list-linuxcnc-wasm-safe-shims.sh tooldata_runtime_stubs.cc)
+rtapi_compat_shim=$(./list-linuxcnc-wasm-safe-shims.sh rtapi_compat.cc)
+readarray -t linuxcnc_sources < <(LINUXCNC_ROOT="$linuxcnc_root" ./list-linuxcnc-source-files.sh \
+    src/emc/tooldata/tooldata_common.cc \
+    src/emc/rs274ngc/interp_find.cc)
+tooldata_common_source=${linuxcnc_sources[0]}
+interp_find_source=${linuxcnc_sources[1]}
+
 common_flags=(
     -std=c++17
     -DULAPI
@@ -36,22 +37,22 @@ common_flags=(
 )
 
 "$cxx" "${common_flags[@]}" \
-    -c "$linuxcnc_root/src/emc/tooldata/tooldata_common.cc" \
+    -c "$tooldata_common_source" \
     -o "$build_dir/tooldata_common.o"
 "$cxx" "${common_flags[@]}" \
-    -c core/wasm_shims/tooldata/tooldata_mmap_backend.cc \
+    -c "$tooldata_mmap_backend_shim" \
     -o "$build_dir/tooldata_mmap_backend.o"
 "$cxx" "${common_flags[@]}" \
-    -c core/wasm_shims/tooldata/tooldata_runtime_stubs.cc \
+    -c "$tooldata_runtime_stubs_shim" \
     -o "$build_dir/tooldata_runtime_stubs.o"
 "$cxx" "${common_flags[@]}" \
-    -c core/wasm_shims/rtapi_compat.cc \
+    -c "$rtapi_compat_shim" \
     -o "$build_dir/rtapi_compat.o"
 "$cxx" "${common_flags[@]}" \
     -c core/wasm_shims/interp_find_probe_stubs.cc \
     -o "$build_dir/interp_find_probe_stubs.o"
 "$cxx" "${common_flags[@]}" \
-    -c "$linuxcnc_root/src/emc/rs274ngc/interp_find.cc" \
+    -c "$interp_find_source" \
     -o "$build_dir/interp_find.o"
 "$cxx" "${common_flags[@]}" \
     -c core/wasm_shims/interp_find_probe_main.cc \