from include/Poco/Ascii.h:21,
BUILDSTDERR:                  from src/Ascii.cpp:15:
BUILDSTDERR: include/Poco/Platform.h:269:3: error: #error "Unknown Hardware Architecture."
BUILDSTDERR:   #error "Unknown Hardware Architecture."
BUILDSTDERR:    ^~~~~
** Creating dependency info for src/ArchiveStrategy.cpp
BUILDSTDERR: In file included from include/Poco/Foundation.h:98,
BUILDSTDERR:                  from include/Poco/ArchiveStrategy.h:21,
BUILDSTDERR:                  from src/ArchiveStrategy.cpp:15:
BUILDSTDERR: include/Poco/Platform.h:269:3: error: #error "Unknown Hardware Architecture."
BUILDSTDERR:   #error "Unknown Hardware Architecture."
BUILDSTDERR:    ^~~~~
BUILDSTDERR: sh: hostname: command not found
** Compiling src/ArchiveStrategy.cpp (debug, shared)
** Compiling src/Ascii.cpp (debug, shared)
** Compiling src/ASCIIEncoding.cpp (debug, shared)
** Compiling src/AsyncChannel.cpp (debug, shared)
BUILDSTDERR: In file included from include/Poco/Foundation.h:98,
BUILDSTDERR:                  from include/Poco/Ascii.h:21,
BUILDSTDERR:                  from src/Ascii.cpp:15:
BUILDSTDERR: include/Poco/Platform.h:269:3: error: #error "Unknown Hardware Architecture."
BUILDSTDERR:   #error "Unknown Hardware Architecture."
BUILDSTDERR:    ^~~~~
BUILDSTDERR: In file included from include/Poco/Foundation.h:98,
BUILDSTDERR:                  from include/Poco/ArchiveStrategy.h:21,
BUILDSTDERR:                  from src/ArchiveStrategy.cpp:15:
BUILDSTDERR: include/Poco/Platform.h:269:3: error: #error "Unknown Hardware Architecture."
BUILDSTDERR:   #error "Unknown Hardware Architecture."
BUILDSTDERR:    ^~~~~
BUILDSTDERR: In file included from include/Poco/Foundation.h:98,
BUILDSTDERR:                  from include/Poco/AsyncChannel.h:21,
BUILDSTDERR:                  from src/AsyncChannel.cpp:15:
BUILDSTDERR: include/Poco/Platform.h:269:3: error: #error "Unknown Hardware Architecture."
BUILDSTDERR:   #error "Unknown Hardware Architecture."
BUILDSTDERR:    ^~~~~
BUILDSTDERR: In file included from include/Poco/Foundation.h:98,
BUILDSTDERR:                  from include/Poco/ASCIIEncoding.h:21,
BUILDSTDERR:                  from src/ASCIIEncoding.cpp:15:
BUILDSTDERR: include/Poco/Platform.h:269:3: error: #error "Unknown Hardware Architecture."
BUILDSTDERR:   #error "Unknown Hardware Architecture."
BUILDSTDERR:    ^~~~~
BUILDSTDERR: make[1]: *** [/builddir/build/BUILD/poco-poco-1.9.0-release/build/rules/compile:57: /builddir/build/BUILD/poco-poco-1.9.0-release/Foundation/obj/Linux/riscv64/debug_shared/Ascii.o] Error 1
BUILDSTDERR: make[1]: *** Waiting for unfinished jobs....
BUILDSTDERR: make[1]: *** [/builddir/build/BUILD/poco-poco-1.9.0-release/build/rules/compile:57: /builddir/build/BUILD/poco-poco-1.9.0-release/Foundation/obj/Linux/riscv64/debug_shared/ASCIIEncoding.o] Error 1
BUILDSTDERR: make[1]: *** [/builddir/build/BUILD/poco-poco-1.9.0-release/build/rules/compile:57: /builddir/build/BUILD/poco-poco-1.9.0-release/Foundation/obj/Linux/riscv64/debug_shared/AsyncChannel.o] Error 1
BUILDSTDERR: make[1]: *** [/builddir/build/BUILD/poco-poco-1.9.0-release/build/rules/compile:57: /builddir/build/BUILD/poco-poco-1.9.0-release/Foundation/obj/Linux/riscv64/debug_shared/ArchiveStrategy.o] Error 1
BUILDSTDERR: make: *** [Makefile:134: Foundation-libexec] Error 2
RPM build errors:
BUILDSTDERR: error: Bad exit status from /var/tmp/rpm-tmp.Q9xglN (%build)
BUILDSTDERR:     Bad exit status from /var/tmp/rpm-tmp.Q9xglN (%build)
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/poco.spec