[英]ocaml llvm kaleidoscope tutorial "Unbound module LlvmExecutionEngine"
我切换到我的 mac 并且不再有这个问题,但有一个类似的问题。 OCaml llvm“未绑定模块执行引擎”
我正在尝试让它工作: https : //github.com/llvm-mirror/llvm/tree/master/examples/OCaml-Kaleidoscope/Chapter7
从本教程http://llvm.org/docs/tutorial/OCamlLangImpl7.html
(我 99% 确定这两个是同一个人)
在解决了几个问题之后,我在最后几个小时遇到了绊脚石
me@mypc:~/Desktop/llvm-master/examples/OCaml-Kaleidoscope/Chapter7$ ocamlbuild -use-ocamlfind toy.byte -package llvm llvm_executionengine
Finished, 0 targets (0 cached) in 00:00:00.
File "_tags", line 4, characters 41-53:
Warning: the tag "use_bindings" is not used in any flag declaration, so it will have no effect; it may be a typo. Otherwise use `mark_tag_used` in your myocamlbuild.ml to disable this warning.
+ ocamlfind ocamlc -c -package llvm -o toplevel.cmo toplevel.ml
File "toplevel.ml", line 6, characters 5-24:
Error: Unbound module LlvmExecutionEngine
Command exited with code 2.
Compilation unsuccessful after building 13 targets (12 cached) in 00:00:00.
我很确定 llvm_executionengine 是正确的包,就好像我尝试了其他东西一样,它说它不知道它是什么包。
这是带有错误行的前几行代码:
(*===----------------------------------------------------------------------===
* Top-Level parsing and JIT Driver
*===----------------------------------------------------------------------===*)
open Llvm
open Llvm_executionengine
(* top ::= definition | external | expression | ';' *)
let rec main_loop the_fpm the_execution_engine stream =
match Stream.peek stream with
| None -> ()
任何帮助都会很棒!
我尝试了 tobiasBora 答案的第一部分并得到了这个结果:
$ ocamlbuild -use-ocamlfind test.byte -package llvm
Finished, 0 targets (0 cached) in 00:00:00.
File "_tags", line 4, characters 41-53:
Warning: the tag "use_bindings" is not used in any flag declaration, so it will have no effect; it may be a typo. Otherwise use `mark_tag_used` in your myocamlbuild.ml to disable this warning.
Solver failed:
Ocamlbuild cannot find or build test.ml. A file with such a name would usually be a source file. I suspect you have given a wrong target name to Ocamlbuild.
Compilation unsuccessful after building 0 targets (0 cached) in 00:00:00.
首先尝试编译
ocamlbuild -use-ocamlfind toy.byte -package llvm
(请注意,我从您的示例中删除了“llvm_executionengine”)
如果它仍然不起作用,因为它对我有用,请尝试以下操作:首先,我正在运行 Ocaml 4.03.0:
opam switch 4.03.0
然后我需要安装 llvm :
opam depext llvm.3.8
opam install llvm
(如果没有安装 depext,它会自动安装它。然后它会自动运行这段代码)
然后我编译你的代码:
ocamlbuild -use-ocamlfind toy.byte -package llvm
(请注意,我在您的示例中删除了“llvm_executionengine”)
您可以注意到一个错误使 llvm 3.8 在旧版本的 ocaml 中无法使用。 如果还有问题,请尝试安装3.5版本,可能会解决一些问题:
sudo apt-get install llvm-3.5 llvm-3.5-dev
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