Folks,
I'm getting the below build warnings with hwloc-2.0.3, gcc-7.3 on Ubuntu (with
-Wall -O2):
----8<----
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/distances.c:
In function 'hwloc__groups_by_distances':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/distances.c:817:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc__groups_by_distances(struct hwloc_topology *topology,
^~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology.c:
In function 'hwloc_propagate_symmetric_subtree':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology.c:2388:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc_propagate_symmetric_subtree(hwloc_topology_t topology, hwloc_obj_t root)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-synthetic.c:
In function 'hwloc_synthetic_process_indexes':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-synthetic.c:71:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc_synthetic_process_indexes(struct hwloc_synthetic_backend_data_s *data,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-xml.c:
In function 'hwloc__xml_export_object_contents':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-xml.c:1920:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc__xml_export_object_contents (hwloc__xml_export_state_t state,
hwloc_topology_t topology, hwloc_obj_t obj, unsigned long flags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:
In function 'hwloc_linux_get_area_membind':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:1883:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc_linux_get_area_membind(hwloc_topology_t topology, const void *addr,
size_t len, hwloc_nodeset_t nodeset, hwloc_membind_policy_t *policy, int flags
__hwloc_attribute_unused)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:
In function 'hwloc_linux_set_thisthread_membind':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:1737:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc_linux_set_thisthread_membind(hwloc_topology_t topology,
hwloc_const_nodeset_t nodeset, hwloc_membind_policy_t policy, int flags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:
In function 'hwloc_linux_get_thisthread_membind':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:1848:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc_linux_get_thisthread_membind(hwloc_topology_t topology, hwloc_nodeset_t
nodeset, hwloc_membind_policy_t *policy, int flags __hwloc_attribute_unused)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:
In function 'hwloc_linux__get_allowed_resources':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-linux.c:4426:13:
warning: stack usage might be unbounded [-Wstack-usage=]
static void hwloc_linux__get_allowed_resources(hwloc_topology_t topology,
const char *root_path, int root_fd, char **cpuset_namep)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-x86.c:
In function 'cpuiddump_read':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-x86.c:69:1:
warning: stack usage might be unbounded [-Wstack-usage=]
cpuiddump_read(const char *dirpath, unsigned idx)
^~~~~~~~~~~~~~
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-x86.c:
In function 'hwloc_x86_component_instantiate':
../../../../../../../../../mpich/src/pm/hydra/tools/topo/hwloc/hwloc/hwloc/topology-x86.c:1456:1:
warning: stack usage might be unbounded [-Wstack-usage=]
hwloc_x86_component_instantiate(struct hwloc_disc_component *component,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
----8<----
-- Pavan
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