Fixes for crashes in dynamic FMUs

Belonging to [master]:
  - #3028

Author: sjoelund

Compiler/Script/CevalScriptBackend.mo

@@ -3384,7 +3384,7 @@ algorithm
         makefileStr := System.stringReplace(makefileStr, "@NEED_RUNTIME@", "");
         makefileStr := System.stringReplace(makefileStr, "@NEED_DGESV@", "");
         makefileStr := System.stringReplace(makefileStr, "@FMIPLATFORM@", System.modelicaPlatform());
-        makefileStr := System.stringReplace(makefileStr, "@CPPFLAGS@", "-I" + includeDefaultFmi);
+        makefileStr := System.stringReplace(makefileStr, "@CPPFLAGS@", "-I" + includeDefaultFmi + " -DOMC_SIM_SETTINGS_CMDLINE -DOMC_FMI_RUNTIME=1");
         makefileStr := System.stringReplace(makefileStr, "@LIBTYPE_DYNAMIC@", "1");
         makefileStr := System.stringReplace(makefileStr, "@BSTATIC@", Autoconf.bstatic);
         makefileStr := System.stringReplace(makefileStr, "@BDYNAMIC@", Autoconf.bdynamic);

SimulationRuntime/c/gc/memory_pool.c

@@ -122,7 +122,11 @@ static void* pool_malloc(size_t sz)
 
 static int pool_free_extra_list(void)
 {
-  list *freelist = memory_pools->next;
+  list *freelist;
+  if (NULL == memory_pools) {
+    return 0;
+  }
+  freelist = memory_pools->next;
   while (freelist) {
     list *next = freelist->next;
     omc_alloc_interface.free_uncollectable(freelist->memory);