ubuntu@iBug-Server:~$ cd llvm-build/
ubuntu@iBug-Server:~/llvm-build$ ls
CMakeCache.txt  CPackConfig.cmake        DummyConfigureOutput  Makefile    bin    cmake_install.cmake    docs      include               lib      llvm.spec  runtimes  test   unittests
CMakeFiles      CPackSourceConfig.cmake  LLVMBuild.cmake       benchmarks  cmake  compile_commands.json  examples  install_manifest.txt  libexec  projects   share     tools  utils
ubuntu@iBug-Server:~/llvm-build$ cmake -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=RISCV -DLLVM_TARGETS_TO_BUILD=X86 ../llvm
-- Native target architecture is X86
-- Threads enabled.
-- Doxygen disabled.
-- Go bindings enabled.
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
-- OCaml bindings disabled.
-- Could NOT find Python module pygments
-- Could NOT find Python module pygments.lexers.c_cpp
-- Could NOT find Python module yaml
-- LLVM host triple: x86_64-unknown-linux-gnu
-- LLVM default target triple: x86_64-unknown-linux-gnu
-- Building with -fPIC
-- Constructing LLVMBuild project information
-- Linker detection: GNU ld
-- Targeting X86
-- Targeting RISCV
-- Clang version: 8.0.1
-- Could NOT find Z3 (missing: Z3_LIBRARIES Z3_INCLUDE_DIR) (Required is at least version "4.7.1"'\0', sizeof(NMSymbol));
                                            ^
/home/ubuntu/llvm/tools/llvm-nm/llvm-nm.cpp:261:8: note: ‘struct {anonymous}::NMSymbol’ declared here
 struct NMSymbol {
        ^~~~~~~~
[ 94%] Linking CXX executable ../../bin/llvm-mc
[ 94%] Linking CXX executable ../../bin/llvm-dwp
[ 94%] Built target llvm-mc
[ 94%] Built target llvm-strip
Scanning dependencies of target llvm-objdump
[ 94%] Building CXX object tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/llvm-objdump.cpp.o
[ 94%] Linking CXX executable ../../bin/llvm-mca
[ 96%] Built target llvm-mca
[ 96%] Building CXX object tools/llvm-objdump/CMakeFiles/llvm-objdump.dir/MachODump.cpp.o
[ 96%] Linking CXX executable ../../bin/llvm-isel-fuzzer
[ 96%] Linking CXX executable ../../bin/llvm-lto2
[ 96%] Built target llvm-dwp
Scanning dependencies of target llvm-opt-fuzzer
[ 96%] Building CXX object tools/llvm-opt-fuzzer/CMakeFiles/llvm-opt-fuzzer.dir/llvm-opt-fuzzer.cpp.o
[ 96%] Linking CXX static library ../../../../lib/libLLVMExegesisX86.a
[ 96%] Built target LLVMExegesisX86
[ 96%] Built target llvm-readelf
Scanning dependencies of target llvm-rtdyld
[ 96%] Building CXX object tools/llvm-rtdyld/CMakeFiles/llvm-rtdyld.dir/llvm-rtdyld.cpp.o
[ 96%] Built target llvm-isel-fuzzer
Scanning dependencies of target llvm-xray
[ 96%] Linking CXX executable ../../bin/llvm-xray
[ 96%] Linking CXX executable ../../bin/llvm-nm
[ 96%] Built target llvm-xray
Scanning dependencies of target opt
[ 96%] Building CXX object tools/opt/CMakeFiles/opt.dir/opt.cpp.o
[ 96%] Built target llvm-nm
Scanning dependencies of target sancov
[ 96%] Building CXX object tools/sancov/CMakeFiles/sancov.dir/sancov.cpp.o
[ 96%] Built target llvm-lto2
Scanning dependencies of target LTO
[ 96%] Building CXX object tools/lto/CMakeFiles/LTO.dir/LTODisassembler.cpp.o
[ 96%] Building CXX object tools/lto/CMakeFiles/LTO.dir/lto.cpp.o
[ 96%] Linking CXX executable ../../bin/lli
[ 96%] Linking CXX executable ../../bin/llvm-rtdyld
[ 96%] Built target llvm-rtdyld
Scanning dependencies of target llvm-ar
[ 96%] Building CXX object tools/llvm-ar/CMakeFiles/llvm-ar.dir/llvm-ar.cpp.o
[ 96%] Built target lli
Scanning dependencies of target llvm-lto
[ 96%] Building CXX object tools/llvm-lto/CMakeFiles/llvm-lto.dir/llvm-lto.cpp.o
Scanning dependencies of target diagtool
[ 96%] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/ShowEnabledWarnings.cpp.o
[ 96%] Linking CXX executable ../../bin/llvm-opt-fuzzer
[ 96%] Linking CXX executable ../../bin/llvm-ar
[ 96%] Linking CXX executable ../../bin/sancov
[ 96%] Built target llvm-ar
Scanning dependencies of target clang
[ 96%] Building CXX object tools/clang/tools/driver/CMakeFiles/clang.dir/driver.cpp.o
[ 96%] Linking CXX shared library ../../lib/libLTO.so
[ 96%] Built target sancov
[ 96%] Building CXX object tools/clang/tools/driver/CMakeFiles/clang.dir/cc1_main.cpp.o
[ 96%] Linking CXX executable ../../bin/llvm-objdump
[ 96%] Linking CXX executable ../../../../bin/diagtool
[ 96%] Built target llvm-objdump
[ 96%] Building CXX object tools/clang/tools/driver/CMakeFiles/clang.dir/cc1as_main.cpp.o
[ 96%] Built target llvm-opt-fuzzer
[ 96%] Building CXX object tools/clang/tools/driver/CMakeFiles/clang.dir/cc1gen_reproducer_main.cpp.o
[ 96%] Built target diagtool
[ 96%] Linking CXX executable ../../../../bin/clang-diff
[ 96%] Linking CXX executable ../../bin/opt
[ 96%] Built target clang-format
[ 96%] Linking CXX executable ../../../../bin/clang-import-test
[ 96%] Built target LTO
Scanning dependencies of target libclang
[ 96%] Building CXX object tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndex.cpp.o
[ 96%] Linking CXX executable ../../../../bin/clang-rename
[ 96%] Built target clang-diff
[ 96%] Linking CXX executable ../../../../bin/clang-refactor
[ 96%] Built target clang-import-test
[ 96%] Linking CXX executable ../../../../bin/arcmt-test
Scanning dependencies of target clang-check
[ 96%] Linking CXX executable ../../../../bin/clang
[ 96%] Building CXX object tools/clang/tools/clang-check/CMakeFiles/clang-check.dir/ClangCheck.cpp.o
[ 96%] Linking CXX executable ../../bin/llvm-lto
[ 96%] Built target opt
Scanning dependencies of target clang-extdef-mapping
[ 96%] Linking CXX executable ../../../../bin/clang-extdef-mapping
[ 96%] Built target clang-rename
Scanning dependencies of target bugpoint
[ 96%] Building CXX object tools/bugpoint/CMakeFiles/bugpoint.dir/bugpoint.cpp.o
[ 96%] Built target clang-refactor
Scanning dependencies of target dsymutil
[ 96%] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/dsymutil.cpp.o
[ 96%] Built target arcmt-test
Scanning dependencies of target llc
[ 96%] Building CXX object tools/llc/CMakeFiles/llc.dir/llc.cpp.o
[ 96%] Built target clang-extdef-mapping
Scanning dependencies of target llvm-exegesis
[ 96%] Building CXX object tools/llvm-exegesis/CMakeFiles/llvm-exegesis.dir/llvm-exegesis.cpp.o
[ 96%] Built target llvm-lto
[ 96%] Built target llvm-dlltool
[ 96%] Built target llvm-ranlib
[ 96%] Built target llvm-lib
[ 96%] Linking CXX executable ../../bin/bugpoint
[ 96%] Linking CXX executable ../../../../bin/clang-check
[ 96%] Linking CXX executable ../../bin/dsymutil
[ 96%] Built target clang
[ 98%] Built target bugpoint
[ 98%] Built target BugpointPasses
[100%] Built target dsymutil
[100%] Linking CXX executable ../../bin/llvm-exegesis
[100%] Linking CXX executable ../../bin/llc
[100%] Built target clang-check
[100%] Linking CXX shared library ../../../../lib/libclang.so
[100%] Built target llvm-exegesis
[100%] Built target llc
[100%] Built target libclang
[100%] Linking CXX executable ../../../../bin/c-arcmt-test
[100%] Linking CXX executable ../../../../bin/c-index-test
[100%] Built target c-arcmt-test
[100%] Built target c-index-test
ubuntu@iBug-Server:~/llvm-build$