KWSys 2023-05-25 (c9f0da47)

Code extracted from:

    https://gitlab.kitware.com/utils/kwsys.git

at commit c9f0da473ac2c21b25c1819141c4828dd238b4d3 (master).

Upstream Shortlog
-----------------

Timo Röhling (1):
      9119f1a1 SystemInformation: Tolerate empty /proc/cpuinfo

SystemInformation.cxx

@@ -3453,6 +3453,10 @@ bool SystemInformationImplementation::RetrieveInformationFromCpuInfoFile()
     fileSize++;
   }
   fclose(fd);
+  if (fileSize < 2) {
+    std::cout << "No data in /proc/cpuinfo" << std::endl;
+    return false;
+  }
   buffer.resize(fileSize - 2);
   // Number of logical CPUs (combination of multiple processors, multi-core
   // and SMT)