target `objcopy' path... objcopy
 checking: host compiles static binaries... no
 checking: target compiles static binaries... no
 checking: host os type... unix
 checking: host architecture... not found!
 checking: target architecture... not found!
 checking: host architecture word size... not found!
 checking: target architecture word size... not found!
 checking: project version... 3.7.0-1.fc33
 checking: project short version... 3.7.0-1.fc33
=> running post-basechecks project specific checks ...
 checking: namespace: CLONE_NEWPID... yes
 checking: namespace: CLONE_FS... yes
 checking: namespace: CLONE_NEWNS... yes
 checking: namespace: CLONE_NEWUSER... yes
 checking: namespace: CLONE_NEWIPC... yes
 checking: namespace: CLONE_NEWNET... yes
 checking: namespace: CLONE_NEWUTS... yes
 checking: namespace: CLONE_NEWCGROUP... yes
 checking: feature: NO_NEW_PRIVS... yes
 checking: feature: MS_SLAVE... yes
 checking: feature: MS_REC... yes
 checking: feature: MS_PRIVATE... yes
 checking: user capabilities... yes
 checking: header linux/securebits.h... yes
 checking: header linux/capability.h... yes
 checking: libseccomp+headers... yes
 checking: cryptsetup... yes
=> generating fragments ...
=> building Makefile ...
=> generating singularity.spec ...
=> project singularity setup with :
    - host arch: unknown
    - host wordsize: unknown-bit
    - host C compiler: cc
    - host Go compiler: /usr/bin/go
    - host system: unix
      ---
    - target arch: unknown
    - target wordsize: unknown-bit
    - target C compiler: cc
      ---
    - config profile: release
      ---
    - SUID install: yes
    - Network plugins: yes
      ---
    - verbose: no
      ---
    - cryptsetup: /usr/sbin/cryptsetup
      ---
    - version: 3.7.0-1.fc33
=> /builddir/build/BUILD/singularity-3.7.0/gopath/src/github.com/sylabs/singularity/builddir/Makefile ready, try:
   $ cd /builddir/build/BUILD/singularity-3.7.0/gopath/src/github.com/sylabs/singularity/builddir
   $ make
+ cd builddir
+ make old_config=
 GEN GO DEP /builddir/build/BUILD/singularity-3.7.0/gopath/src/github.com/sylabs/singularity/builddir/starter.d
go: github.com/Netflix/go-expect@v0.0.0-20190729225929-0e00d9168667: Get "https://proxy.golang.org/github.com/%21netflix/go-expect/@v/v0.0.0-20190729225929-0e00d9168667.mod": dial tcp: lookup proxy.golang.org on [::1]:53: read udp [::1]:44876->[::1]:53: read: connection refused
 GEN GO DEP /builddir/build/BUILD/singularity-3.7.0/gopath/src/github.com/sylabs/singularity/builddir/singularity.d
go: github.com/Netflix/go-expect@v0.0.0-20190729225929-0e00d9168667: Get "https://proxy.golang.org/github.com/%21netflix/go-expect/@v/v0.0.0-20190729225929-0e00d9168667.mod": dial tcp: lookup proxy.golang.org on [::1]:53: read udp [::1]:46154->[::1]:53: read: connection refused
 GEN /builddir/build/BUILD/singularity-3.7.0/gopath/src/github.com/sylabs/singularity/scripts/go-generate
 GO singularity
    [+] GO_TAGS "containers_image_openpgp sylog oci_engine singularity_engine fakeroot_engine apparmor selinux seccomp"
-buildmode=pie not supported on linux/riscv64
make: *** [Makefile:169: singularity] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.DTY6By (%build)
RPM build errors:
    line 70: It's not recommended to have unversioned Obsoletes: Obsoletes: singularity-runtime
    bogus date in %changelog: Wed Nov 24 2020 Dave Dykstra <dwd@fedoraproject.org> - 3.7.0-1
    Bad exit status from /var/tmp/rpm-tmp.DTY6By (%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/singularity.spec