ftime())) {
      |                                     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
navlog.cc:7665:45: warning: comparison of integer expressions of different signedness: 'guint64' {aka 'long unsigned int'} and 'gint64' {aka 'long int'} [-Wsign-compare]
 7665 |                 if (m_wxugrd[i] && (efftime < m_wxugrd[i]->get_minefftime() ||
      |                                     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
navlog.cc:7666:45: warning: comparison of integer expressions of different signedness: 'guint64' {aka 'long unsigned int'} and 'gint64' {aka 'long int'} [-Wsign-compare]
 7666 |                                     efftime > m_wxugrd[i]->get_maxefftime())) {
      |                                     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
navlog.cc:7686:45: warning: comparison of integer expressions of different signedness: 'guint64' {aka 'long unsigned int'} and 'gint64' {aka 'long int'} [-Wsign-compare]
 7686 |                 if (m_wxvgrd[i] && (efftime < m_wxvgrd[i]->get_minefftime() ||
      |                                     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
navlog.cc:7687:45: warning: comparison of integer expressions of different signedness: 'guint64' {aka 'long unsigned int'} and 'gint64' {aka 'long int'} [-Wsign-compare]
 7687 |                                     efftime > m_wxvgrd[i]->get_maxefftime())) {
      |                                     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
navlog.cc: In member function 'Aircraft::GCCruiseResult Aircraft::compute_gccruise(const Point&, int, const Point&, int, double, guint64, const Cruise::EngineParams&, GRIB2&) const':
navlog.cc:8044:76: warning: unused variable 'mass1' [-Wunused-variable]
 8044 |                         double tas(0), fuelflow(0), pa(rl.get_altitude()), mass1(mass);
      |                                                                            ^~~~~
navlog.cc: At global scope:
navlog.cc:7816:14: warning: 'Wind<double> {anonymous}::GCCruiseWeather::get_wind_dfltzero(const Point&, guint64, double)' defined but not used [-Wunused-function]
 7816 | Wind<double> GCCruiseWeather::get_wind_dfltzero(const Point& pt, guint64 efftime, double press)
      |              ^~~~~~~~~~~~~~~
navlog.cc:4969:6: warning: 'bool {anonymous}::MBEnvelopeLine::is_proper_intersection(const {anonymous}::MBEnvelopeLine&)' defined but not used [-Wunused-function]
 4969 | bool MBEnvelopeLine::is_proper_intersection(const MBEnvelopeLine& l1)
      |      ^~~~~~~~~~~~~~
navlog.cc:4884:6: warning: 'bool {anonymous}::MBEnvelopeLine::is_rectoverlap(const {anonymous}::MBEnvelopeLine&) const' defined but not used [-Wunused-function]
 4884 | bool MBEnvelopeLine::is_rectoverlap(const MBEnvelopeLine& x) const
      |      ^~~~~~~~~~~~~~
navlog.cc:4812:13: warning: 'std::string {anonymous}::MBEnvelopePoint::to_str() const' defined but not used [-Wunused-function]
 4812 | std::string MBEnvelopePoint::to_str(void) const
      |             ^~~~~~~~~~~~~~~
navlog.cc:4799:17: warning: '{anonymous}::MBEnvelopePoint {anonymous}::MBEnvelopePoint::rotate(double) const' defined but not used [-Wunused-function]
 4799 | MBEnvelopePoint MBEnvelopePoint::rotate(double a) const
      |                 ^~~~~~~~~~~~~~~
make[1]: *** [Makefile:683: all-recursive] Error 1
make: *** [Makefile:576: all] Error 2
RPM build errors:
error: Bad exit status from /var/tmp/rpm-tmp.NJay6f (%build)
    Bad exit status from /var/tmp/rpm-tmp.NJay6f (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.9/site-packages/mockbuild/trace_decorator.py", line 93, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.9/site-packages/mockbuild/util.py", line 600, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/vfrnav.spec