message: use `realpath call` instead of `realpath program`
diff: =============================================================================*/
  #include "Util.h"
  +#include "limits.h"
  using namespace std;
  @@ -887,10 +888,9 @@ Util::getSystemOutput(string cmd)
  string
  Util::getExactPath(const char *str)
  {
  - string cmd = "realpath ";
  - cmd += string(str);
  -
  - return getSystemOutput(cmd);
  + char resolved_path[PATH_MAX];
  + realpath(str, resolved_path);
  + return resolved_path;
  }
  void
  