signal that destructors may throw exceptions

src/OPENMP/thr_omp.h

@@ -46,7 +46,7 @@ class ThrOMP {
 
  public:
   ThrOMP(LAMMPS *, int);
-  virtual ~ThrOMP() = default;
+  virtual ~ThrOMP() noexcept(false) {}
 
   double memory_usage_thr();
 

src/lmppython.h

@@ -20,7 +20,7 @@ namespace LAMMPS_NS {
 
 class PythonInterface {
  public:
-  virtual ~PythonInterface() = default;
+  virtual ~PythonInterface() noexcept(false) {}
   virtual void command(int, char **) = 0;
   virtual void invoke_function(int, char *) = 0;
   virtual int find(const char *) = 0;

src/pointers.h

@@ -92,7 +92,7 @@ class Pointers {
     atomKK(ptr->atomKK),
     memoryKK(ptr->memoryKK),
     python(ptr->python) {}
-  virtual ~Pointers() = default;
+  virtual ~Pointers() noexcept(false) {}
 
   // remove other default members