Make native TP oracle build reproducible

scripts/build_linuxcnc_native_oracle.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)"
+SOURCE_ROOT="${ROOT}/linuxcnc"
+PATCH_FILE="${ROOT}/patches/linuxcnc/0001-export-native-task-heartbeat.patch"
+
+if ! rg -q 'task_heartbeat' "${SOURCE_ROOT}/src/emc/usr_intf/axis/extensions/emcmodule.cc"; then
+  patch --forward --batch -p1 -d "${SOURCE_ROOT}" < "${PATCH_FILE}"
+fi
+
+make -C "${SOURCE_ROOT}/src" ../lib/python/linuxcnc.so ../bin/milltask
+printf '%s\n' 'LinuxCNC native oracle build ready: source linuxcnc.so + milltask'