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Cross compile to RISCV fault #8304

Closed chaozju closed 4 years ago

chaozju commented 4 years ago

what the issue is

I wonder what else does cross compilation need except assigning rv-gcc and rv-ld.

what I've done:

installed toolchains

stable-x86_64-unknown-linux-gnu nightly-x86_64-unknown-linux-gnu 1.40.0-x86_64-unknown-linux-gnu

installed targets for active toolchain

riscv64gc-unknown-linux-gnu x86_64-unknown-linux-gnu

active toolchain

stable-x86_64-unknown-linux-gnu (default) rustc 1.42.0 (b8cedc004 2020-03-09)

- adding belowing to `.cargo/config`
```bash
[bulid]
target = "riscv64gc-unknown-linux-gnu"

[target.riscv64gc-unknown-linux-gnu]
linker = "/opt/riscv/bin/riscv64-unknown-linux-gnu-ld"

what I got

Relocations in generic ELF (EM: 62) and error adding symbols: file in wrong format

cargo build --release --features "backend-llvm" \
--target riscv64gc-unknown-linux-gnu  -j8
   Compiling wasmer-bin v0.17.0 (/home/chao/wasmer)
error: linking with `/opt/riscv/bin/riscv64-unknown-linux-gnu-ld` failed: exit code: 1
  |
  = note: "/opt/riscv/bin/riscv64-unknown-linux-gnu-ld" "-L" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.0.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.1.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.10.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.11.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.12.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.13.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.14.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.15.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.2.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.3.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.4.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.5.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.6.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.7.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.8.rcgu.o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.wasmer.2d09us9l-cgu.9.rcgu.o" "-o" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/wasmer-4f010a1e87e7ced6.536q2nb7rp5nzz0m.rcgu.o" "--gc-sections" "-pie" "-zrelro" "-znow" "-O1" "-L" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps" "-L" "/home/chao/wasmer/target/release/deps" "-L" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/build/wabt-sys-bca93cbbd64a59e6/out/build" "-L" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/build/wabt-sys-bca93cbbd64a59e6/out" "-L" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/build/wasmer-llvm-backend-c67a9b44e54bceaa/out" "-L" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/build/llvm-sys-4ffb6a66964d2f5e/out" "-L" "/usr/local/llvm/lib" "-L" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib" "-Bstatic" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwasmer_bin-839ad2a60fa0717f.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwabt-2e1e8a9f72f205b8.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwabt_sys-40af8f29ae5b6ece.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libserde_json-2199df63dd5e6675.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libryu-60cde15a06967bea.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libitoa-b597ae7884bf5261.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwasmer_wasi-1a9dcacb754b914e.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libgetrandom-1079e3d677a98c7f.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libtime-da16180d061a88da.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libtypetag-582f258b39536105.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/liberased_serde-22bf6a6da8dd015e.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libinventory-aefac11448700d37.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libgenerational_arena-62a910911b7ba3c5.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libthiserror-fee247b7a3bc67f6.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/liblog-2a78ffa1622e5d51.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwasmer_runtime-a5018fb43d5b5fec.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwasmer_llvm_backend-c1b32eacea1964b8.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libinkwell-d94fbbbfc32f26c3.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libregex-4183ec07ae8ccec3.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libthread_local-85d2f338a874f1f7.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libregex_syntax-7d3435880eca2227.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libaho_corasick-9c4d5b7fc13b1cc6.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libmemchr-d377f0c701f140f3.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libonce_cell-adcd715534b79737.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libeither-96d28575812dbafa.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libllvm_sys-ddc06ecc0decb650.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libmemmap-51bcdae343de0a38.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwasmer_runtime_core-4c74ef5166b37914.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libserde_bench-26fed80b9aba8f9c.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libhex-ffbb2505f8859081.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libblake3-0c873c3893532081.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libconstant_time_eq-b55490d85472076e.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libarrayvec-1424eaa0c48e7c10.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libdigest-440ccc1d14d5d9e5.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libcrypto_mac-61f23e1fa417284c.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libgeneric_array-69b2c3e236661686.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libtypenum-a77416fc19c48a7c.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libsubtle-c1e02532b8aacb37.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libarrayref-8f9702d2cf71a915.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libbincode-26f4486e422ea749.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libbyteorder-2fa8aa3dfb1ad5a1.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libserde_bytes-773af4cd4da49a58.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libpage_size-c60398fd7c4964a2.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libnix-7d8ffce97e1558c5.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/liberrno-b98a5dcb6ffd0079.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libparking_lot-f55eef067fafa42d.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libparking_lot_core-ad6d30a70f844b65.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libcfg_if-917cabb25f8eb9c5.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/liblock_api-ca19027684c6959a.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libscopeguard-62ced4fbdf505d8e.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libindexmap-8f198adf4affa3d8.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libserde-eec824e558c5d07b.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libwasmparser-de869ac94e5c895f.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libsmallvec-4cde53b60b7bee2e.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libstructopt-504a62bef504d7db.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/liblazy_static-c64734035eb16140.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libclap-f7b9a5bab4ec934d.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libvec_map-bd75584f57c0012c.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libtextwrap-0e9bace9d80a7415.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libunicode_width-f29dc136a0e367de.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libstrsim-19b4584a0ce6fd33.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libbitflags-1c64f5db8b563e76.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libatty-3388f805c579b6d0.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/liblibc-a0108479893efad1.rlib" "/home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libansi_term-1a3810faaf4b36ae.rlib" "--start-group" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libstd-29712de6ab8599b7.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libpanic_unwind-ea961648088e6a5a.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libhashbrown-77a8c31575706ea6.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/librustc_std_workspace_alloc-e00fbca28363c8e5.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libbacktrace-b625cb66ec040d17.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libbacktrace_sys-b20376c1796c5f8d.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/librustc_demangle-184eeaabc41565f1.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libunwind-bf140e104338c212.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libcfg_if-cfcf1d5d30228c7d.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/liblibc-ae46e0c3d7731aa2.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/liballoc-9af9b62afcbb97d1.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/librustc_std_workspace_core-dc738be269a2b099.rlib" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libcore-5be35663befa1396.rlib" "--end-group" "/home/chao/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libcompiler_builtins-aa2b6514d12368dd.rlib" "-Bdynamic" "-lstdc++" "-lstdc++" "-lffi" "-lz" "-lrt" "-ldl" "-ltinfo" "-lpthread" "-lm" "-lxml2" "-lstdc++" "-lutil" "-ldl" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil"
  = note: /opt/riscv/bin/riscv64-unknown-linux-gnu-ld: /home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libllvm_sys-ddc06ecc0decb650.rlib(ObjCARC.cpp.o): Relocations in generic ELF (EM: 62)
          /opt/riscv/bin/riscv64-unknown-linux-gnu-ld: /home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libllvm_sys-ddc06ecc0decb650.rlib(ObjCARC.cpp.o): Relocations in generic ELF (EM: 62)
          /opt/riscv/bin/riscv64-unknown-linux-gnu-ld: /home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libllvm_sys-ddc06ecc0decb650.rlib(ObjCARC.cpp.o): Relocations in generic ELF (EM: 62)
          /opt/riscv/bin/riscv64-unknown-linux-gnu-ld: /home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libllvm_sys-ddc06ecc0decb650.rlib(ObjCARC.cpp.o): Relocations in generic ELF (EM: 62)
          /opt/riscv/bin/riscv64-unknown-linux-gnu-ld: /home/chao/wasmer/target/riscv64gc-unknown-linux-gnu/release/deps/libllvm_sys-ddc06ecc0decb650.rlib: error adding symbols: file in wrong format

error: aborting due to previous error

error: could not compile `wasmer-bin`.

To learn more, run the command again with --verbose.
Makefile:333: recipe for target 'release' failed
make: *** [release] Error 101
alexcrichton commented 4 years ago

Thanks for the report! This is not a bug in Cargo, however, but likely an issue with one of the crates you're using. Given the error message it's probably llvm-sys

chaozju commented 4 years ago

@alexcrichton Hi! Thanks a lot! I'm quite sorry about bothering! cause I am really a green hand on this. BTW, in you view, does it mean that what I have done on toolchain and configs is sufficient?

alexcrichton commented 4 years ago

It looks like it's generally configured right, yes, but not all crates always read the configuration. Everything in the build needs to be working together in concert to get cross-compiles working, and it's common to have at least one straggler to fixup to get in line with the rest of crates to use the same configuration and/or support.