Import LinuxCNC source tree

tests/build/ui/README

@@ -0,0 +1,2 @@
+Test skipped because out-of-tree building with access to NML is not a real
+option. It requires internal LinucCNC includes to be exposed.

tests/build/ui/nml-position-logger.cc

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+// g++ nml-position-logger.cc -I include -L lib -l nml -l linuxcnc
+#include "emc.hh"
+#include "emc_nml.hh"
+#include <unistd.h>
+#include <iostream>
+#include <cstdlib>
+
+int main(int argc, char **argv) {
+    if(argc < 2) { std::cerr << "Usage: " << argv[0] << " NMLFILE\n"; abort(); }
+    const char *nmlfile = argv[1];
+    RCS_STAT_CHANNEL *stat = new RCS_STAT_CHANNEL(emcFormat, "emcStatus", "xemc", nmlfile);
+    while(1) {
+        usleep(100*1000);
+        if(!stat->valid()) continue;
+        if(stat->peek() != EMC_STAT_TYPE) continue;
+        EMC_STAT *emcStatus = static_cast<EMC_STAT*>(stat->get_address());
+        std::cout << emcStatus->motion.traj.position.tran.x << " "
+            << emcStatus->motion.traj.position.tran.y << " "
+            << emcStatus->motion.traj.position.tran.z << "\n";
+    }
+    return 0;
+}

tests/build/ui/test.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+set -x
+g++ -I"${HEADERS}" \
+    nml-position-logger.cc \
+    -L "${LIBDIR}" -lnml -llinuxcnc \
+    -o /dev/null