t.x = u.x;
      |           ^
/builddir/build/BUILD/lemon-1.3.1/lemon/graph_to_eps.h:710:25: note: 'bb._top_right.x' was declared here
  710 |       dim2::Box<double> bb;
      |                         ^
/builddir/build/BUILD/lemon-1.3.1/lemon/dim2.h:488:11: warning: 'bb._bottom_left.y' may be used uninitialized in this function [-Wmaybe-uninitialized]
  488 |           if (_bottom_left.y > u.y) _bottom_left.y = u.y;
      |           ^
/builddir/build/BUILD/lemon-1.3.1/lemon/graph_to_eps.h:710:25: note: 'bb._bottom_left.y' was declared here
  710 |       dim2::Box<double> bb;
      |                         ^
/builddir/build/BUILD/lemon-1.3.1/lemon/dim2.h:487:11: warning: 'bb._bottom_left.x' may be used uninitialized in this function [-Wmaybe-uninitialized]
  487 |           if (_bottom_left.x > u.x) _bottom_left.x = u.x;
      |           ^
/builddir/build/BUILD/lemon-1.3.1/lemon/graph_to_eps.h:710:25: note: 'bb._bottom_left.x' was declared here
  710 |       dim2::Box<double> bb;
      |                         ^
/usr/bin/ld: /lib64/lp64d/../lib64/lp64d/libCbc.so: undefined reference to `CglPreProcess::postProcess(OsiSolverInterface&, bool)'
collect2: error: ld returned 1 exit status
gmake[2]: *** [demo/CMakeFiles/graph_to_eps_demo.dir/build.make:122: demo/graph_to_eps_demo] Error 1
gmake[2]: Leaving directory '/builddir/build/BUILD/lemon-1.3.1/riscv64-redhat-linux-gnu'
gmake[1]: *** [CMakeFiles/Makefile2:398: demo/CMakeFiles/graph_to_eps_demo.dir/all] Error 2
[ 81%] Linking CXX executable dimacs-solver
cd /builddir/build/BUILD/lemon-1.3.1/riscv64-redhat-linux-gnu/tools && /usr/bin/cmake -E cmake_link_script CMakeFiles/dimacs-solver.dir/link.txt --verbose=1
/usr/bin/g++ -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -fasynchronous-unwind-tables -fstack-clash-protection -Wall -W -Wunused -Wformat=2 -Wctor-dtor-privacy -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wcast-align -Wsign-promo -Woverloaded-virtual -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas -DNDEBUG -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -rdynamic CMakeFiles/dimacs-solver.dir/dimacs-solver.cc.o -o dimacs-solver   -L/builddir/build/BUILD/lemon-1.3.1/riscv64-redhat-linux-gnu/lemon  -Wl,-rpath,/builddir/build/BUILD/lemon-1.3.1/riscv64-redhat-linux-gnu/lemon: ../lemon/libemon.so.1.3.1 -lglpk -lCbc -lCbcSolver -lCgl -lOsi -lOsiCbc -lOsiClp -lz -lbz2 -lClp -lCoinUtils -lz -lbz2 -lClp -lCoinUtils 
/usr/bin/ld: /lib64/lp64d/../lib64/lp64d/libCbc.so: undefined reference to `CglPreProcess::postProcess(OsiSolverInterface&, bool)'
collect2: error: ld returned 1 exit status
gmake[2]: *** [tools/CMakeFiles/dimacs-solver.dir/build.make:122: tools/dimacs-solver] Error 1
gmake[2]: Leaving directory '/builddir/build/BUILD/lemon-1.3.1/riscv64-redhat-linux-gnu'
gmake[1]: Leaving directory '/builddir/build/BUILD/lemon-1.3.1/riscv64-redhat-linux-gnu'
gmake[1]: *** [CMakeFiles/Makefile2:479: tools/CMakeFiles/dimacs-solver.dir/all] Error 2
gmake: *** [Makefile:185: all] Error 2
error: 
RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.c8d9kg (%build)
    Bad exit status from /var/tmp/rpm-tmp.c8d9kg (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, 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/coin-or-lemon.spec