为什么ocamlfind找不到已安装的库(camlp4)
我安装了一个OCaml库。为了证明我有这个:为什么ocamlfind找不到已安装的库(camlp4),ocaml,ocamlfind,Ocaml,Ocamlfind,我安装了一个OCaml库。为了证明我有这个: $ ~/.opam/bin/opam install camlp4 [NOTE] Package camlp4 is already installed (current version is 4.02+system). 这是: $ ls `ocamlc -where`/camlp4* Camlp4.cmi Camlp4Bin.cmx Camlp4Parsers Camlp4Top.cmi camlp4fulllib.a
$ ~/.opam/bin/opam install camlp4
[NOTE] Package camlp4 is already installed (current version is 4.02+system).
这是:
$ ls `ocamlc -where`/camlp4*
Camlp4.cmi Camlp4Bin.cmx Camlp4Parsers Camlp4Top.cmi camlp4fulllib.a camlp4lib.a camlp4o.cma camlp4orf.cma camlp4prof.cmx camlp4rf.cma
Camlp4Bin.cmi Camlp4Bin.o Camlp4Printers Camlp4Top.cmo camlp4fulllib.cma camlp4lib.cma camlp4of.cma camlp4prof.cmi camlp4prof.o
Camlp4Bin.cmo Camlp4Filters Camlp4Top Camlp4_config.cmi camlp4fulllib.cmxa camlp4lib.cmxa camlp4oof.cma camlp4prof.cmo camlp4r.cma
但当我尝试这个时,它无法识别文件
$ ocamlfind query camlp4
ocamlfind: Package `camlp4' not found
我如何启用它
我的~/.ocamlinit
如下所示:
let () =
try Topdirs.dir_directory (Sys.getenv "OCAML_TOPLEVEL_PATH")
with Not_found -> ()
;;
#use "topfind";;
很可能您忘记使用激活opam环境
eval $(opam config env)
指挥部。您正试图使用系统编译器进行编译,即系统包管理器安装的编译器。ocamlinit是顶级
ocaml
执行的初始文件,与ocamlfind
无关。