build

Shared cache: disabled
Workspace root: /home/ubuntu/scratch/ocaml_broken_build
Auto-detected concurrency: 8
Running[0]: /home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamlc.opt -config > /tmp/dune_c093c1_output
Dune context:
 { name = "default"
 ; kind = "default"
 ; profile = Dev
 ; merlin = true
 ; for_host = None
 ; fdo_target_exe = None
 ; build_dir = "default"
 ; toplevel_path =
     Some
       External "/home/ubuntu/scratch/ocaml_broken_build/_opam/lib/toplevel"
 ; ocaml_bin = External "/home/ubuntu/scratch/ocaml_broken_build/_opam/bin"
 ; ocaml =
     Ok External "/home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocaml"
 ; ocamlc =
     External "/home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamlc.opt"
 ; ocamlopt =
     Ok
       External
         "/home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamlopt.opt"
 ; ocamldep =
     Ok
       External
         "/home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamldep.opt"
 ; ocamlmklib =
     Ok
       External
         "/home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamlmklib.opt"
 ; env =
     map
       { "DUNE_OCAML_HARDCODED" :
           "/home/ubuntu/scratch/ocaml_broken_build/_opam/lib"
       ; "DUNE_OCAML_STDLIB" :
           "/home/ubuntu/scratch/ocaml_broken_build/_opam/lib/ocaml"
       ; "DUNE_SOURCEROOT" : "/home/ubuntu/scratch/ocaml_broken_build"
       ; "INSIDE_DUNE" :
           "/home/ubuntu/scratch/ocaml_broken_build/_build/default"
       ; "OCAMLFIND_IGNORE_DUPS_IN" :
           "/home/ubuntu/scratch/ocaml_broken_build/_build/install/default/lib"
       ; "OCAMLPATH" :
           "/home/ubuntu/scratch/ocaml_broken_build/_build/install/default/lib"
       ; "OCAMLTOP_INCLUDE_PATH" :
           "/home/ubuntu/scratch/ocaml_broken_build/_build/install/default/lib/toplevel"
       }
 ; findlib_paths =
     [ External "/home/ubuntu/scratch/ocaml_broken_build/_opam/lib" ]
 ; arch_sixtyfour = true
 ; natdynlink_supported = true
 ; supports_shared_libraries = true
 ; ocaml_config =
     { version = "4.14.1"
     ; standard_library_default =
         "/home/ubuntu/scratch/ocaml_broken_build/_opam/lib/ocaml"
     ; standard_library =
         "/home/ubuntu/scratch/ocaml_broken_build/_opam/lib/ocaml"
     ; standard_runtime = "the_standard_runtime_variable_was_deleted"
     ; ccomp_type = "cc"
     ; c_compiler = "gcc"
     ; ocamlc_cflags =
         [ "-O2"; "-fno-strict-aliasing"; "-fwrapv"; "-pthread"; "-fPIC" ]
     ; ocamlc_cppflags = [ "-D_FILE_OFFSET_BITS=64" ]
     ; ocamlopt_cflags =
         [ "-O2"; "-fno-strict-aliasing"; "-fwrapv"; "-pthread"; "-fPIC" ]
     ; ocamlopt_cppflags = [ "-D_FILE_OFFSET_BITS=64" ]
     ; bytecomp_c_compiler =
         [ "gcc"
         ; "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-pthread"
         ; "-fPIC"
         ; "-D_FILE_OFFSET_BITS=64"
         ]
     ; bytecomp_c_libraries = [ "-lm"; "-lpthread" ]
     ; native_c_compiler =
         [ "gcc"
         ; "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-pthread"
         ; "-fPIC"
         ; "-D_FILE_OFFSET_BITS=64"
         ]
     ; native_c_libraries = [ "-lm" ]
     ; native_pack_linker = [ "ld"; "-r"; "-o" ]
     ; cc_profile = []
     ; architecture = "amd64"
     ; model = "default"
     ; int_size = 63
     ; word_size = 64
     ; system = "linux"
     ; asm = [ "as" ]
     ; asm_cfi_supported = true
     ; with_frame_pointers = false
     ; ext_exe = ""
     ; ext_obj = ".o"
     ; ext_asm = ".s"
     ; ext_lib = ".a"
     ; ext_dll = ".so"
     ; os_type = "Unix"
     ; default_executable_name = "a.out"
     ; systhread_supported = true
     ; host = "x86_64-pc-linux-gnu"
     ; target = "x86_64-pc-linux-gnu"
     ; profiling = false
     ; flambda = false
     ; spacetime = false
     ; safe_string = true
     ; exec_magic_number = "Caml1999X031"
     ; cmi_magic_number = "Caml1999I031"
     ; cmo_magic_number = "Caml1999O031"
     ; cma_magic_number = "Caml1999A031"
     ; cmx_magic_number = "Caml1999Y031"
     ; cmxa_magic_number = "Caml1999Z031"
     ; ast_impl_magic_number = "Caml1999M031"
     ; ast_intf_magic_number = "Caml1999N031"
     ; cmxs_magic_number = "Caml1999D031"
     ; cmt_magic_number = "Caml1999T031"
     ; natdynlink_supported = true
     ; supports_shared_libraries = true
     ; windows_unicode = false
     }
 }
Actual targets:
- alias @@default
Running[1]: (cd _build/default && /home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -o bin/main.exe.o -output-complete-obj lib/broken.cmxa /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/stdlib-shims/stdlib_shims.cmxa /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/integers/integers.cmxa -I /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/integers /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/zarith/zarith.cmxa -I /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/zarith /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/class_group_vdf/class_group_vdf.cmxa -I /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/class_group_vdf bin/.main.eobjs/native/dune__exe__Main.cmx)
File "bin/dune", line 3, characters 7-11:
3 |  (name main)
           ^^^^
Command [1] exited with code 2:
$ (cd _build/default && /home/ubuntu/scratch/ocaml_broken_build/_opam/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -o bin/main.exe.o -output-complete-obj lib/broken.cmxa /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/stdlib-shims/stdlib_shims.cmxa /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/integers/integers.cmxa -I /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/integers /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/zarith/zarith.cmxa -I /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/zarith /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/class_group_vdf/class_group_vdf.cmxa -I /home/ubuntu/scratch/ocaml_broken_build/_opam/lib/class_group_vdf bin/.main.eobjs/native/dune__exe__Main.cmx)
ld: Error: unable to disambiguate: -shared-libgcc (did you mean --shared-libgcc ?)
File "caml_startup", line 1:
Error: Error during linking (exit code 1)