CC       src/bison-conflicts.o
  CC       src/bison-derives.o
  CC       src/bison-files.o
  CC       src/bison-getargs.o
  CC       src/bison-gram.o
  CC       src/bison-graphviz.o
  CC       src/bison-lalr.o
  CC       src/bison-ielr.o
  CC       src/bison-location.o
  CC       src/bison-main.o
  CC       src/bison-muscle-tab.o
  CC       src/bison-named-ref.o
  CC       src/bison-nullable.o
  CC       src/bison-output.o
  CC       src/bison-parse-gram.o
  CC       src/bison-print-xml.o
  CC       src/bison-print.o
  CC       src/bison-print_graph.o
  CC       src/bison-reader.o
  CC       src/bison-reduce.o
  CC       src/bison-relation.o
  CC       src/bison-scan-code-c.o
  CC       src/bison-scan-gram-c.o
  CC       src/bison-scan-skel-c.o
  CC       src/bison-state.o
  CC       src/bison-symlist.o
  CC       src/bison-symtab.o
  CC       src/bison-tables.o
  CC       src/bison-uniqstr.o
  CC       lib/argmatch.o
  CC       lib/binary-io.o
  CC       lib/bitrotate.o
  CC       lib/c-ctype.o
  CC       lib/c-strcasecmp.o
  CC       lib/c-strncasecmp.o
  CC       lib/cloexec.o
  CC       lib/close-stream.o
  CC       lib/closeout.o
  CC       lib/concat-filename.o
  CC       lib/dirname.o
  CC       lib/basename.o
  CC       lib/dirname-lgpl.o
  CC       lib/basename-lgpl.o
  CC       lib/stripslash.o
  CC       lib/exitfail.o
  CC       lib/fatal-signal.o
  CC       lib/fd-hook.o
  CC       lib/fd-safer-flag.o
  CC       lib/dup-safer-flag.o
  CC       lib/fopen-safer.o
  CC       lib/hash.o
  CC       lib/localcharset.o
  CC       lib/glthread/lock.o
  CC       lib/math.o
  CC       lib/mbswidth.o
  CC       lib/pipe2.o
  CC       lib/pipe2-safer.o
  CC       lib/printf-frexp.o
  CC       lib/printf-frexpl.o
  CC       lib/progname.o
  CC       lib/quotearg.o
  CC       lib/sig-handler.o
  CC       lib/spawn-pipe.o
  CC       lib/glthread/threadlib.o
  CC       lib/unistd.o
  CC       lib/dup-safer.o
  CC       lib/fd-safer.o
  CC       lib/pipe-safer.o
  CC       lib/uniwidth/width.o
  CC       lib/wait-process.o
  CC       lib/wctype-h.o
  CC       lib/xmalloc.o
  CC       lib/xalloc-die.o
  CC       lib/xconcat-filename.o
  CC       lib/xsize.o
  CC       lib/xstrndup.o
  CC       lib/abitset.o
  CC       lib/bitset.o
  CC       lib/bitset_stats.o
  CC       lib/bitsetv.o
  CC       lib/ebitset.o
  CC       lib/lbitset.o
  CC       lib/vbitset.o
  CC       lib/bitsetv-print.o
  CC       lib/timevar.o
  CC       lib/get-errno.o
  CC       lib/asnprintf.o
  CC       lib/fcntl.o
  CC       lib/fprintf.o
  CC       lib/fseterr.o
BUILDSTDERR: lib/fseterr.c: In function 'fseterr':
BUILDSTDERR: lib/fseterr.c:77:3: error: #error "Please port gnulib fseterr.c to your platform! Look at the definitions of ferror and clearerr on your system, then report this to bug-gnulib."
BUILDSTDERR:   #error "Please port gnulib fseterr.c to your platform! Look at the definitions of ferror and clearerr on your system, then report this to bug-gnulib."
BUILDSTDERR:    ^~~~~
make[2]: Leaving directory '/builddir/build/BUILD/bison-3.0.4'
BUILDSTDERR: make[2]: *** [Makefile:3466: lib/fseterr.o] Error 1
BUILDSTDERR: make[1]: *** [Makefile:4522: all-recursive] Error 1
make[1]: Leaving directory '/builddir/build/BUILD/bison-3.0.4'
BUILDSTDERR: make: *** [Makefile:2625: all] Error 2
BUILDSTDERR: error: Bad exit status from /var/tmp/rpm-tmp.eao2HZ (%build)
BUILDSTDERR:     Bad exit status from /var/tmp/rpm-tmp.eao2HZ (%build)
RPM build errors:
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/mockbuild/trace_decorator.py", line 96, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.6/site-packages/mockbuild/util.py", line 626, in do
    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/bison.spec