Change the Makefile to include star formation

src/Makefile.am

@@ -42,7 +42,7 @@ endif
 include_HEADERS = space.h runner.h queue.h task.h lock.h cell.h part.h const.h \
     engine.h swift.h serial_io.h timers.h debug.h scheduler.h proxy.h parallel_io.h \
     common_io.h single_io.h multipole.h map.h tools.h partition.h clocks.h parser.h \
-    physical_constants.h physical_constants_cgs.h potential.h version.h \
+    physical_constants.h physical_constants_cgs.h potential.h starformation.h version.h \
     hydro_properties.h riemann.h threadpool.h cooling_io.h cooling.h cooling_struct.h \
     statistics.h memswap.h cache.h runner_doiact_vec.h profiler.h \
     dump.h logger.h active.h timeline.h xmf.h gravity_properties.h gravity_derivatives.h \
@@ -63,7 +63,7 @@ AM_SOURCES = space.c runner.c queue.c task.c cell.c engine.c engine_maketasks.c
     proxy.c parallel_io.c units.c common_io.c single_io.c multipole.c version.c map.c \
     kernel_hydro.c tools.c part.c partition.c clocks.c parser.c \
     physical_constants.c potential.c hydro_properties.c \
-    threadpool.c cooling.c \
+    threadpool.c cooling.c sourceterms.c starformation.c \
     statistics.c runner_doiact_vec.c profiler.c dump.c logger.c \
     part_type.c xmf.c gravity_properties.c gravity.c \
     collectgroup.c hydro_space.c equation_of_state.c \
@@ -138,6 +138,7 @@ nobase_noinst_HEADERS = align.h approx_math.h atomic.h barrier.h cycle.h error.h
 	         potential/none/potential.h potential/point_mass/potential.h \
                  potential/isothermal/potential.h potential/disc_patch/potential.h \
                  potential/sine_wave/potential.h \
+		 starformation/none/starformation.h starformation/schaye08/starformation.h \
 		 cooling/none/cooling.h cooling/none/cooling_struct.h \
                  cooling/none/cooling_io.h \
 		 cooling/Compton/cooling.h cooling/Compton/cooling_struct.h \