unspecified behavior [-Waddress]
BUILDSTDERR:   if (s) if (s == "") s = NULL;
BUILDSTDERR:                ^~
BUILDSTDERR: ckuusr.c:13353:15: warning: comparison with string literal results in unspecified behavior [-Waddress]
BUILDSTDERR:   if (s) if (s == "") s = NULL;
BUILDSTDERR:                ^~
BUILDSTDERR: ckuusr.c:13341:16: warning: unused variable 't' [-Wunused-variable]
BUILDSTDERR:          char * t = tmpbuf;  /* Create or alter environment var */
BUILDSTDERR:                 ^
BUILDSTDERR: At top level:
BUILDSTDERR: ckuusr.c:7134:22: warning: 'sslswtab' defined but not used [-Wunused-variable]
BUILDSTDERR:  static struct keytab sslswtab[] = {
BUILDSTDERR:                       ^~~~~~~~
BUILDSTDERR: ckclib.c: In function 'ckmatch':
BUILDSTDERR: ckclib.c:1402:15: warning: 'dot' may be used uninitialized in this function [-Wmaybe-uninitialized]
BUILDSTDERR:      int plen, dot, globbing, xstar = 0;
BUILDSTDERR:                ^~~
BUILDSTDERR: ckclib.c: In function 'ckround':
BUILDSTDERR: ckclib.c:2090:27: warning: '__builtin___sprintf_chk' writing a terminating nul past the end of the destination [-Wformat-overflow=]
BUILDSTDERR:      sprintf(buf,"%200.100f",fpnum); /* Make string version to work with */
BUILDSTDERR:                            ^
BUILDSTDERR: In file included from /usr/include/stdio.h:873,
BUILDSTDERR:                  from ckcdeb.h:668,
BUILDSTDERR:                  from ckclib.c:72:
BUILDSTDERR: /usr/include/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 201 and 412 bytes into a destination of size 200
BUILDSTDERR:    return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
BUILDSTDERR:           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR:        __bos (__s), __fmt, __va_arg_pack ());
BUILDSTDERR:        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: ckclib.c: In function 'hhmmss':
BUILDSTDERR: ckclib.c:2602:20: warning: '%02ld' directive writing between 2 and 17 bytes into a region of size 10 [-Wformat-overflow=]
BUILDSTDERR:        sprintf(buf,"%02ld:%02ld:%02ld",h,m,s);
BUILDSTDERR:                     ^~~~~
BUILDSTDERR: ckclib.c:2602:19: note: directive argument in the range [-2562047788015215, 2562047788015215]
BUILDSTDERR:        sprintf(buf,"%02ld:%02ld:%02ld",h,m,s);
BUILDSTDERR:                    ^~~~~~~~~~~~~~~~~~~
BUILDSTDERR: ckclib.c:2602:19: note: directive argument in the range [0, 59]
BUILDSTDERR: ckclib.c:2602:19: note: directive argument in the range [0, 59]
BUILDSTDERR: In file included from /usr/include/stdio.h:873,
BUILDSTDERR:                  from ckcdeb.h:668,
BUILDSTDERR:                  from ckclib.c:72:
BUILDSTDERR: /usr/include/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 9 and 24 bytes into a destination of size 10
BUILDSTDERR:    return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
BUILDSTDERR:           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR:        __bos (__s), __fmt, __va_arg_pack ());
BUILDSTDERR:        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/builddir/build/BUILD/ckermit-9.0.302'
BUILDSTDERR: make[1]: *** [makefile:6054: linuxa] Error 2
make[1]: Leaving directory '/builddir/build/BUILD/ckermit-9.0.302'
BUILDSTDERR: make: *** [makefile:6091: linux] Error 2
BUILDSTDERR: error: Bad exit status from /var/tmp/rpm-tmp.nsEDE7 (%build)
BUILDSTDERR:     Bad exit status from /var/tmp/rpm-tmp.nsEDE7 (%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/ckermit.spec