-static int trace_enabled = 0;
-static int trace_platform;
-static int trace_platform_topology;
-static int trace_smpi_enabled;
-static int trace_smpi_grouped;
-static int trace_smpi_computing;
-static int trace_smpi_sleeping;
-static int trace_view_internals;
-static int trace_categorized;
-static int trace_uncategorized;
-static int trace_msg_process_enabled;
-static int trace_msg_vm_enabled;
-static int trace_buffer;
-static int trace_onelink_only;
-static int trace_disable_destroy;
-static int trace_basic;
-static int trace_display_sizes = 0;
-static int trace_disable_link;
-static int trace_disable_power;
+static bool trace_enabled = false;
+static bool trace_platform;
+static bool trace_platform_topology;
+static bool trace_smpi_enabled;
+static bool trace_smpi_grouped;
+static bool trace_smpi_computing;
+static bool trace_smpi_sleeping;
+static bool trace_view_internals;
+static bool trace_categorized;
+static bool trace_uncategorized;
+static bool trace_msg_process_enabled;
+static bool trace_msg_vm_enabled;
+static bool trace_buffer;
+static bool trace_onelink_only;
+static bool trace_disable_destroy;
+static bool trace_basic;
+static bool trace_display_sizes = false;
+static bool trace_disable_link;
+static bool trace_disable_power;