Error installing ocamlfind and dune using opam

I’m getting the following error when installing core using opam install core in openSUSE Leap 15.2:

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ERROR] The compilation of dune failed at
        "/home/isaac/.opam/opam-init/hooks/sandbox.sh build ocaml bootstrap.ml -j
        7".
[ERROR] The compilation of ocamlfind failed at
        "/home/isaac/.opam/opam-init/hooks/sandbox.sh build make all".

#=== ERROR while compiling ocamlfind.1.9.1 ====================================#
# context     2.0.8 | linux/x86_64 | ocaml-system.4.12.0 | https://opam.ocaml.org#3e991263
# path        ~/.opam/default/.opam-switch/build/ocamlfind.1.9.1
# command     ~/.opam/opam-init/hooks/sandbox.sh build make all
# exit-code   2
# env-file    ~/.opam/log/ocamlfind-10862-5e06f5.env
# output-file ~/.opam/log/ocamlfind-10862-5e06f5.out
### output ###
# [...]
# Use Bytes.create/BytesLabels.create instead.
# ocamlc -I +compiler-libs  -o ocamlfind -g findlib.cma unix.cma \
#            ocaml_args.cmo frontend.cmo
# ocamlc -I +compiler-libs -opaque -c topfind.mli
# ocamlc -I +compiler-libs -opaque -g -c topfind.ml
# File "topfind.ml", line 47, characters 4-25:
# 47 |     Topdirs.dir_directory d;
#          ^^^^^^^^^^^^^^^^^^^^^
# Error: Unbound module Topdirs
# make[1]: *** [Makefile:165: topfind.cmo] Error 2
# make[1]: Leaving directory '/home/isaac/.opam/default/.opam-switch/build/ocamlfind.1.9.1/src/findlib'
# make: *** [Makefile:14: all] Error 2


#=== ERROR while compiling dune.2.9.0 =========================================#
# context     2.0.8 | linux/x86_64 | ocaml-system.4.12.0 | https://opam.ocaml.org#3e991263
# path        ~/.opam/default/.opam-switch/build/dune.2.9.0
# command     ~/.opam/opam-init/hooks/sandbox.sh build ocaml bootstrap.ml -j 7
# exit-code   2
# env-file    ~/.opam/log/dune-10862-c291cc.env
# output-file ~/.opam/log/dune-10862-c291cc.out
### output ###
# ocamlc -output-complete-exe -w -24 -g -o .duneboot.exe -I boot unix.cma boot/libs.ml boot/duneboot.ml
# gcc-7: error trying to exec 'cc1': execvp: No such file or directory
# File "boot/duneboot.ml", line 1:
# Error: Error while building custom runtime system



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build dune      2.9.0
│ λ build ocamlfind 1.9.1
└─ 
╶─ No changes have been performed

GCC is installed and I checked that the cc1 file exists, how can I fix this?

8 posts - 2 participants

Read full topic