Remove printf and deal correclty with config.h

src/Makefile.am

@@ -15,8 +15,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-AUTOMAKE_OPTIONS = subdir-objects
-
 # Add the debug flag to the whole thing
 AM_CFLAGS = $(HDF5_CPPFLAGS)
 

src/cooling/grackle/grackle_wrapper.c

@@ -158,7 +158,6 @@ int wrap_do_cooling(double rho, double *u, double dt, double Z, double a_now) {
     return 0;
   }
   
-
   // return updated chemistry and energy
   for (int i = 0; i < FIELD_SIZE; i++) {
     u[i] = energy[i] / u_factor;