Determining if the CXX compiler works failed with the following output:
Change Dir: /nvmedata/autobuild/instance-8/output-1/build/minizip-2.10.6/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_43b0b/fast && make[1]: Entering directory '/nvmedata/autobuild/instance-8/output-1/build/minizip-2.10.6/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_43b0b.dir/build.make CMakeFiles/cmTC_43b0b.dir/build
make[2]: Entering directory '/nvmedata/autobuild/instance-8/output-1/build/minizip-2.10.6/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_43b0b.dir/testCXXCompiler.cxx.o
/usr/bin/c++ --sysroot=/nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot    -O3 -DNDEBUG   -o CMakeFiles/cmTC_43b0b.dir/testCXXCompiler.cxx.o -c /nvmedata/autobuild/instance-8/output-1/build/minizip-2.10.6/CMakeFiles/CMakeTmp/testCXXCompiler.cxx
Linking CXX executable cmTC_43b0b
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_43b0b.dir/link.txt --verbose=1
/usr/bin/c++ --sysroot=/nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot    -O3 -DNDEBUG    CMakeFiles/cmTC_43b0b.dir/testCXXCompiler.cxx.o  -o cmTC_43b0b 
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/lib/../lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/usr/lib/../lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/usr/lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/lib64/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/usr/lib64/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /nvmedata/autobuild/instance-8/output-1/host/riscv64-buildroot-linux-gnu/sysroot/usr/lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: cannot find libgcc_s.so.1
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_43b0b.dir/build.make:87: cmTC_43b0b] Error 1
make[2]: Leaving directory '/nvmedata/autobuild/instance-8/output-1/build/minizip-2.10.6/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_43b0b/fast] Error 2
make[1]: Leaving directory '/nvmedata/autobuild/instance-8/output-1/build/minizip-2.10.6/CMakeFiles/CMakeTmp'