Compile time stepping separately

src/.gitignore

 timestepping.cc
+timestepping.hh
+timestepping_tmpl.cc

src/Makefile.am

@@ -10,6 +10,7 @@ SOURCES = \
 	compute_state_ruina.cc \
 	mysolver.cc \
 	one-body-sample.cc \
+	timestepping.cc \
 	vtk.cc
 
 ## 2D
@@ -101,7 +102,7 @@ DISTCHECK_CONFIGURE_FLAGS = \
 
 include $(top_srcdir)/am/global-rules
 
-BUILT_SOURCES = timestepping.cc
+BUILT_SOURCES = timestepping.hh timestepping.cc
 $(srcdir)/timestepping.cc: $(srcdir)/timestepping.org
 	emacs -Q --batch --eval \
 	  "(let (vc-handled-backends) \

src/one-body-sample.cc

@@ -75,7 +75,7 @@
 #include "enum_state_model.cc"
 #include "enum_scheme.cc"
 
-#include "timestepping.cc"
+#include "timestepping.hh"
 
 int const dim = DIM;