Installation error on opam install usbmux #18
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Hi,
try a lower version compiler.
… On Jan 17, 2018, at 7:26 AM, John Coates ***@***.***> wrote:
This is on High Sierra
=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 🐫
[ERROR] The compilation of usbmux failed at "ocaml setup.ml -build".
Processing 1/1: [usbmux: ocaml]
#=== ERROR while installing usbmux.1.3.2 ======================================#
# opam-version 1.2.2
# os darwin
# command ocaml setup.ml -build
# path /Users/macbook/.opam/system/build/usbmux.1.3.2
# compiler system (4.06.0)
# exit-code 1
# env-file /Users/macbook/.opam/system/build/usbmux.1.3.2/usbmux-52213-c61e7b.env
# stdout-file /Users/macbook/.opam/system/build/usbmux.1.3.2/usbmux-52213-c61e7b.out
# stderr-file /Users/macbook/.opam/system/build/usbmux.1.3.2/usbmux-52213-c61e7b.err
### stdout ###
# [...]
# ocamlfind ocamlopt unix.cmxa -I /Users/macbook/.opam/system/lib/ocamlbuild /Users/macbook/.opam/system/lib/ocamlbuild/ocamlbuildlib.cmxa -linkpkg myocamlbuild.ml /Users/macbook/.opam/system/lib/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
# /Users/macbook/.opam/system/bin/ocamlfind ocamldep -package yojson -package threads -package ppx_deriving_yojson -package ppx_deriving -package plist -package lwt.unix -package lwt.preemptive -package lwt.ppx -package cohttp.lwt -package cohttp -modules src/lib/usbmux.mli > src/lib/usbmux.mli.depends
# /Users/macbook/.opam/system/bin/ocamlfind ocamlc -c -g -annot -bin-annot -g -w +a-4-40..42-44-45-48 -thread -package yojson -package threads -package ppx_deriving_yojson -package ppx_deriving -package plist -package lwt.unix -package lwt.preemptive -package lwt.ppx -package cohttp.lwt -package cohttp -I src/lib -o src/lib/usbmux.cmi src/lib/usbmux.mli
# /Users/macbook/.opam/system/bin/ocamlfind ocamldep -package yojson -package threads -package ppx_deriving_yojson -package ppx_deriving -package plist -package lwt.unix -package lwt.preemptive -package lwt.ppx -package cohttp.lwt -package cohttp -modules src/lib/usbmux.ml > src/lib/usbmux.ml.depends
# /Users/macbook/.opam/system/bin/ocamlfind ocamlc -c -g -annot -bin-annot -g -w +a-4-40..42-44-45-48 -thread -package yojson -package threads -package ppx_deriving_yojson -package ppx_deriving -package plist -package lwt.unix -package lwt.preemptive -package lwt.ppx -package cohttp.lwt -package cohttp -I src/lib -o src/lib/usbmux.cmo src/lib/usbmux.ml
# + /Users/macbook/.opam/system/bin/ocamlfind ocamlc -c -g -annot -bin-annot -g -w +a-4-40..42-44-45-48 -thread -package yojson -package threads -package ppx_deriving_yojson -package ppx_deriving -package plist -package lwt.unix -package lwt.preemptive -package lwt.ppx -package cohttp.lwt -package cohttp -I src/lib -o src/lib/usbmux.cmo src/lib/usbmux.ml
# File "src/lib/usbmux.ml", line 158, characters 35-41:
# Error: This expression has type bytes but an expression was expected of type
# string
# Command exited with code 2.
### stderr ###
# E: Failure("Command ''/Users/macbook/.opam/system/bin/ocamlbuild' src/lib/usbmux.cma src/lib/usbmux.cmxa src/lib/usbmux.a src/lib/usbmux.cmxs src/app/main.native -use-ocamlfind -tag debug' terminated with error code 10")
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Thanks, I'm new to ocaml. Is there a certain version I should try, or a recommended command to switch compiler versions? |
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Maybe try like: And be sure to do the ```eval `opam config env```` it suggests to do, then install should work. |
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I had this same problem with compiler version using |
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This is on High Sierra
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