Attempt to use nvclock code for reading GPU temperature, since running

nvidia-settings couple of times for a second is highly inefficient.

nvclock/Makefile

@@ -0,0 +1,39 @@
+CC=gcc -O0
+AR=ar
+RANLIB=ranlib
+
+system=Linux
+HAVE_NVCONTROL=no
+OBJECTS=backend.o bios.o config.o error.o nv30.o nv40.o nv50.o info.o overclock.o utils.o i2c.o xf86i2c.o adt7473.o f75375.o lm99.o w83781d.o w83l785r.o libc_wrapper.o
+CFLAGS= -I../.. -I../nvcontrol
+
+ifeq ($(system), FreeBSD)
+    OBJECTS+=back_bsd.o
+else
+    ifeq ($(system), Win32)
+	OBJECTS+=back_win32.o
+    else
+	OBJECTS+=back_linux.o
+    endif
+endif
+
+ifeq ($(HAVE_NVCONTROL), yes)
+    OBJECTS+=nvcontrol.o
+endif
+
+.PHONY: clean distclean
+all: libbackend.a
+
+
+libbackend.a: $(OBJECTS)
+	$(AR) cru libbackend.a $(OBJECTS)
+	$(RANLIB) libbackend.a
+
+clean:
+	rm -f *.o *.a
+
+distclean: clean
+	rm -f Makefile
+
+install:
+uninstall: