Please help.
issta16@issta16-VirtualBox:~/temp$ opam install ocamlgraph
The following actions will be performed:
∗ install dune 2.8.4 [required by ocamlgraph]
∗ install stdlib-shims 0.3.0 [required by ocamlgraph]
∗ install ocamlgraph 2.0.0
===== ∗ 3 =====
Do you want to continue? [Y/n] y
<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.2.8.4] found in cache
[ocamlgraph.2.0.0] found in cache
[stdlib-shims.0.3.0] found in cache
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ERROR] The compilation of dune failed at "/usr/local/bin/ocaml bootstrap.ml -j 1".
#=== ERROR while compiling dune.2.8.4 =========================================#
# context 2.0.8 | linux/x86_64 | ocaml-system.4.12.0 | https://opam.ocaml.org#4f507760
# path ~/.opam/ocaml-system.4.12.0/.opam-switch/build/dune.2.8.4
# command /usr/local/bin/ocaml bootstrap.ml -j 1
# exit-code 2
# env-file ~/.opam/log/dune-19443-2dea01.env
# output-file ~/.opam/log/dune-19443-2dea01.out
### output ###
# [...]
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(unix.b.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(bigarray.b.o): relocation R_X86_64_32S against `.rodata' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(memprof.b.o): relocation R_X86_64_32 against `.bss' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(domain.b.o): relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(codefrag.b.o): relocation R_X86_64_32 against `.bss' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(interp.b.o): relocation R_X86_64_32S against `.data' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(misc.b.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: /usr/local/lib/ocaml/libcamlrun.a(fix_code.b.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIC
# /usr/bin/ld: final link failed: Nonrepresentable section on output
# collect2: error: ld returned 1 exit status
# File "boot/duneboot.ml", line 1:
# Error: Error while building custom runtime system
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build dune 2.8.4
└─
╶─ No changes have been performed