Only compile the cooling_write_flavour() functions if HDF5 is detected.

src/cooling/EAGLE/cooling.h

@@ -37,6 +37,8 @@
 #include "physical_constants.h"
 #include "units.h"
 
+#ifdef HAVE_HDF5
+
 /**
  * @brief Writes the current model of SPH to the file
  * @param h_grpsph The HDF5 group in which to write
@@ -46,6 +48,7 @@ __attribute__((always_inline)) INLINE static void cooling_write_flavour(
 
   io_write_attribute_s(h_grpsph, "Cooling Model", "EAGLE");
 }
+#endif
 
 /**
  * @brief Apply the cooling function to a particle.

src/cooling/const_du/cooling.h

@@ -44,6 +44,8 @@
 #include "physical_constants.h"
 #include "units.h"
 
+#ifdef HAVE_HDF5
+
 /**
  * @brief Writes the current model of SPH to the file
  * @param h_grpsph The HDF5 group in which to write
@@ -53,6 +55,7 @@ __attribute__((always_inline)) INLINE static void cooling_write_flavour(
 
   io_write_attribute_s(h_grpsph, "Cooling Model", "Constant du/dt");
 }
+#endif
 
 /**
  * @brief Apply the cooling function to a particle.

src/cooling/const_lambda/cooling.h

@@ -37,6 +37,8 @@
 #include "physical_constants.h"
 #include "units.h"
 
+#ifdef HAVE_HDF5
+
 /**
  * @brief Writes the current model of SPH to the file
  * @param h_grpsph The HDF5 group in which to write
@@ -46,6 +48,7 @@ __attribute__((always_inline)) INLINE static void cooling_write_flavour(
 
   io_write_attribute_s(h_grpsph, "Cooling Model", "Constant Lambda");
 }
+#endif
 
 /**
  * @brief Calculates du/dt in code units for a particle.

src/cooling/grackle/cooling.h

@@ -42,6 +42,8 @@
 #define GRACKLE_NPART 1
 #define GRACKLE_RANK 3
 
+#ifdef HAVE_HDF5
+
 /**
  * @brief Writes the current model of SPH to the file
  * @param h_grpsph The HDF5 group in which to write
@@ -51,6 +53,7 @@ __attribute__((always_inline)) INLINE static void cooling_write_flavour(
 
   io_write_attribute_s(h_grpsph, "Cooling Model", "Grackle");
 }
+#endif
 
 /**
  * @brief Sets the cooling properties of the (x-)particles to a valid start

src/cooling/none/cooling.h

@@ -37,6 +37,8 @@
 #include "physical_constants.h"
 #include "units.h"
 
+#ifdef HAVE_HDF5
+
 /**
  * @brief Writes the current model of SPH to the file
  * @param h_grpsph The HDF5 group in which to write
@@ -46,6 +48,7 @@ __attribute__((always_inline)) INLINE static void cooling_write_flavour(
 
   io_write_attribute_s(h_grpsph, "Cooling Model", "None");
 }
+#endif
 
 /**
  * @brief Apply the cooling function to a particle.