Aruns-MacBook-Pro:delete Arun$ opam install core utop
The following actions will be performed:
  ∗  install type_conv          112.01.02     [required by comparelib, bin_prot, pa_structural_sexp]
  ∗  install lwt                2.5.0         [required by utop]
  ∗  install pipebang           110.01.00     [required by core]
  ∗  install herelib            112.35.00     [required by core]
  ∗  install variantslib        109.15.03     [required by core]
  ∗  install sexplib            112.35.00     [required by core]
  ∗  install pa_ounit           112.35.00     [required by core]
  ∗  install fieldslib          109.20.03     [required by core]
  ∗  install enumerate          111.08.00     [required by core]
  ∗  install comparelib         109.60.00     [required by core]
  ∗  install bin_prot           112.35.00     [required by core]
  ∗  install lambda-term        1.9           [required by utop]
  ∗  install pa_structural_sexp 112.35.00     [required by core]
  ∗  install pa_bench           112.06.00     [required by core]
  ∗  install custom_printf      112.24.00     [required by core]
  ∗  install pa_test            112.24.00     [required by core]
  ∗  install typerep            112.35.00     [required by core_kernel]
  ∗  install utop               1.18
  ∗  install core_kernel        112.35.00     [required by core]
  ∗  install core               112.35.01
===== ∗  20 =====
Do you want to continue ? [Y/n] y

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=  🐫
[bin_prot] Archive in cache
[comparelib] Archive in cache
[core] Archive in cache
[core_kernel] Archive in cache
[custom_printf] Archive in cache
[enumerate] Archive in cache
[fieldslib] Archive in cache
[herelib] Archive in cache
[lambda-term] Archive in cache
[lwt] Archive in cache
[pa_bench] Archive in cache
[pa_ounit] Archive in cache
[pa_structural_sexp] Archive in cache
[pa_test] Archive in cache
[pipebang] Archive in cache
[sexplib] Archive in cache
[type_conv] Archive in cache
[typerep] Archive in cache
[utop] Archive in cache
[variantslib] Archive in cache

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=  🐫
[ERROR] The compilation of lwt failed at "./configure --prefix
        /Users/Arun/.opam/system --disable-libev --enable-camlp4 --enable-react
        --disable-ssl --enable-unix --enable-preemptive --disable-glib
        --enable-ppx".
[ERROR] The compilation of type_conv failed at "make".
[ERROR] The compilation of pipebang failed at "make".
[ERROR] The compilation of herelib failed at "make".
Processing 17/20: [herelib: ocamlfind remove]
#=== ERROR while installing herelib.112.35.00 =================================#
# opam-version 1.2.2
# os           darwin
# command      make
# path         /Users/Arun/.opam/system/build/herelib.112.35.00
# compiler     system (4.02.1)
# exit-code    2
# env-file     /Users/Arun/.opam/system/build/herelib.112.35.00/herelib-16982-ad6566.env
# stdout-file  /Users/Arun/.opam/system/build/herelib.112.35.00/herelib-16982-ad6566.out
# stderr-file  /Users/Arun/.opam/system/build/herelib.112.35.00/herelib-16982-ad6566.err
### stdout ###
# ocamlopt.opt -o setup.exe setup.ml || ocamlopt -o setup.exe setup.ml || ocamlc -o setup.exe setup.ml
# rm -f setup.cmx setup.cmi setup.o setup.obj setup.cmo
# ./setup.exe -configure
### stderr ###
# W: Field 'pkg_camlp4_lib' is not set: When looking for findlib package camlp4.lib, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_quotations' is not set: When looking for findlib package camlp4.quotations, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_extend' is not set: When looking for findlib package camlp4.extend, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# E: Cannot find findlib package camlp4.extend
# E: Cannot find findlib package camlp4.lib
# E: Cannot find findlib package camlp4.quotations
# E: Failure("3 configuration errors")
# make: *** [setup.data] Error 1


#=== ERROR while installing lwt.2.5.0 =========================================#
# opam-version 1.2.2
# os           darwin
# command      ./configure --prefix /Users/Arun/.opam/system --disable-libev --enable-camlp4 --enable-react --disable-ssl --enable-unix --enable-preemptive --disable-glib --enable-ppx
# path         /Users/Arun/.opam/system/build/lwt.2.5.0
# compiler     system (4.02.1)
# exit-code    1
# env-file     /Users/Arun/.opam/system/build/lwt.2.5.0/lwt-16982-dc6e87.env
# stdout-file  /Users/Arun/.opam/system/build/lwt.2.5.0/lwt-16982-dc6e87.out
# stderr-file  /Users/Arun/.opam/system/build/lwt.2.5.0/lwt-16982-dc6e87.err
### stderr ###
# [...]
# W: Field 'pkg_camlp4' is not set: When looking for findlib package camlp4, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_quotations_o' is not set: When looking for findlib package camlp4.quotations.o, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_extend' is not set: When looking for findlib package camlp4.extend, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Failure("When looking for findlib package camlp4, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist")
# W: Failure("When looking for findlib package camlp4, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist")
# W: Failure("When looking for findlib package camlp4.quotations.o, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist")
# E: Cannot find findlib package camlp4
# E: Cannot find findlib package camlp4.extend
# E: Cannot find findlib package camlp4.quotations.o
# E: Failure("3 configuration errors")


#=== ERROR while installing pipebang.110.01.00 ================================#
# opam-version 1.2.2
# os           darwin
# command      make
# path         /Users/Arun/.opam/system/build/pipebang.110.01.00
# compiler     system (4.02.1)
# exit-code    2
# env-file     /Users/Arun/.opam/system/build/pipebang.110.01.00/pipebang-16982-03b1a4.env
# stdout-file  /Users/Arun/.opam/system/build/pipebang.110.01.00/pipebang-16982-03b1a4.out
# stderr-file  /Users/Arun/.opam/system/build/pipebang.110.01.00/pipebang-16982-03b1a4.err
### stdout ###
# ocamlopt.opt -o setup.exe setup.ml || ocamlopt -o setup.exe setup.ml || ocamlc -o setup.exe setup.ml
# rm -f setup.cmx setup.cmi setup.o setup.obj setup.cmo
# ./setup.exe -configure
### stderr ###
# [...]
# Warning 3: deprecated: Lazy.lazy_from_fun
# Use Lazy.from_fun instead.
# W: Field 'pkg_camlp4_extend' is not set: When looking for findlib package camlp4.extend, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_lib' is not set: When looking for findlib package camlp4.lib, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_quotations' is not set: When looking for findlib package camlp4.quotations, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# E: Cannot find findlib package camlp4.extend
# E: Cannot find findlib package camlp4.lib
# E: Cannot find findlib package camlp4.quotations
# E: Failure("3 configuration errors")
# make: *** [setup.data] Error 1


#=== ERROR while installing type_conv.112.01.02 ===============================#
# opam-version 1.2.2
# os           darwin
# command      make
# path         /Users/Arun/.opam/system/build/type_conv.112.01.02
# compiler     system (4.02.1)
# exit-code    2
# env-file     /Users/Arun/.opam/system/build/type_conv.112.01.02/type_conv-16982-b1a82b.env
# stdout-file  /Users/Arun/.opam/system/build/type_conv.112.01.02/type_conv-16982-b1a82b.out
# stderr-file  /Users/Arun/.opam/system/build/type_conv.112.01.02/type_conv-16982-b1a82b.err
### stdout ###
# ocamlopt.opt -o setup.exe setup.ml || ocamlopt -o setup.exe setup.ml || ocamlc -o setup.exe setup.ml
# rm -f setup.cmx setup.cmi setup.o setup.obj setup.cmo
# ./setup.exe -configure
### stderr ###
# W: Field 'pkg_camlp4_quotations' is not set: When looking for findlib package camlp4.quotations, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# W: Field 'pkg_camlp4_extend' is not set: When looking for findlib package camlp4.extend, directory /usr/local/Cellar/objective-caml/4.02.1_2/lib/ocaml/camlp4 return doesn't exist
# E: Cannot find findlib package camlp4.extend
# E: Cannot find findlib package camlp4.quotations
# E: Failure("2 configuration errors")
# make: *** [setup.data] Error 1



=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=  🐫
The following actions were aborted
  ∗  install bin_prot           112.35.00
  ∗  install comparelib         109.60.00
  ∗  install core               112.35.01
  ∗  install core_kernel        112.35.00
  ∗  install custom_printf      112.24.00
  ∗  install enumerate          111.08.00
  ∗  install fieldslib          109.20.03
  ∗  install lambda-term        1.9
  ∗  install pa_bench           112.06.00
  ∗  install pa_ounit           112.35.00
  ∗  install pa_structural_sexp 112.35.00
  ∗  install pa_test            112.24.00
  ∗  install sexplib            112.35.00
  ∗  install typerep            112.35.00
  ∗  install utop               1.18
  ∗  install variantslib        109.15.03
The following actions failed
  ∗  install herelib   112.35.00
  ∗  install lwt       2.5.0
  ∗  install pipebang  110.01.00
  ∗  install type_conv 112.01.02
No changes have been performed