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1.23.1 installation fails
[ERROR] The compilation of ocaml-lsp-server.1.23.1 failed at "dune build -p
ocaml-lsp-server -j 3 @install".
#=== ERROR while compiling ocaml-lsp-server.1.23.1 ============================#
# context 2.3.0 | linux/x86_64 | ocaml.5.3.0 | https://opam.ocaml.org#21f97b2e6d7c617fc0a79cc8e59b2e10690960e1
# path ~/.opam/default/.opam-switch/build/ocaml-lsp-server.1.23.1
# command ~/.opam/opam-init/hooks/sandbox.sh build dune build -p ocaml-lsp-server -j 3 @install
# exit-code 1
# env-file ~/.opam/log/ocaml-lsp-server-38378-693842.env
# output-file ~/.opam/log/ocaml-lsp-server-38378-693842.out
### output ###
# [...]
# submodules/lev/lev/vendor/ev.c:4688:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
# submodules/lev/lev/vendor/ev.c:4688:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
# submodules/lev/lev/vendor/ev.c: In function ‘ev_embed_start’:
# submodules/lev/lev/vendor/ev.c:5275:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
# submodules/lev/lev/vendor/ev.c:5275:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
# submodules/lev/lev/vendor/ev.c: At top level:
# submodules/lev/lev/vendor/ev.c:5623:27: warning: ‘/*’ within comment [-Wcomment]
# submodules/lev/lev/vendor/ev.c:5624:27: warning: ‘/*’ within comment [-Wcomment]
# submodules/lev/lev/vendor/ev.c: In function ‘evpipe_write’:
# submodules/lev/lev/vendor/ev.c:2817:11: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
# submodules/lev/lev/vendor/ev.c: In function ‘pipecb’:
# submodules/lev/lev/vendor/ev.c:2852:11: warning: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build ocaml-lsp-server 1.23.1
└─
╶─ No changes have been performed
Lubuntu 25.10. Installing with opam.
Thanks for your report @avysk
The "output" part of the message doesn't look like the actual error, it "just" shows warnings.
Could you share the whole log in ~/.opam/log/ocaml-lsp-server-38378-693842.out ?
This issue also exists with Debian Trixie (opam 2.3.0, dune 3.20.2, switch = ocaml-system.5.3.0).
Log file follows:
File "ocaml-lsp-server/bin/dune", line 2, characters 7-11:
2 | (name main)
^^^^
Error: File unavailable:
/usr/lib/x86_64-linux-gnu/ocaml/5.3.0/camlp-streams/camlp_streams.cmxa
(cd _build/default/ocaml-lsp-server/vendor/lev && /usr/bin/x86_64-linux-gnu-gcc -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -D_FILE_OFFSET_BITS=64 -Wall -fdiagnostics-color=always -g -I /usr/lib/x86_64-linux-gnu/ocaml/5.3.0 -I /usr/lib/x86_64-linux-gnu/ocaml/5.3.0/unix -o lev_stubs.o -c lev_stubs.c)
In file included from submodules/lev/lev/src/lev_stubs.c:1:
submodules/lev/lev/src/lev_stubs.c: In function ‘lev_io_modify’:
submodules/lev/lev/vendor/ev.h:697:79: warning: suggest parentheses around arithmetic in operand of ‘|’ [-Wparentheses]
submodules/lev/lev/src/lev_stubs.c:360:3: note: in expansion of macro ‘ev_io_modify’
submodules/lev/lev/src/lev_stubs.c: At top level:
submodules/lev/lev/src/lev_stubs.c:172:33: warning: ‘periodic_custom_ops’ defined but not used [-Wunused-variable]
(cd _build/default && /usr/bin/ocamlc.opt -w -40 -alert -unstable -w -58 -w -a -alert -all -g -bin-annot -bin-annot-occurrences -I vendor/odoc-parser/src/.odoc_parser.objs/byte -I /home/nock/.opam/default/lib/astring -I /usr/lib/x86_64-linux-gnu/ocaml/5.3.0/camlp-streams -no-alias-deps -open Odoc_parser__ -o vendor/odoc-parser/src/.odoc_parser.objs/byte/odoc_parser__Syntax.cmi -c -intf vendor/odoc-parser/src/syntax.mli)
File "vendor/odoc-parser/src/syntax.mli", line 5, characters 28-36:
5 | Token.t Loc.with_location Stream.t ->
^^^^^^^^
Error: Unbound module "Stream"
(cd _build/default/ocaml-lsp-server/vendor/lev && /usr/bin/x86_64-linux-gnu-gcc -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -D_FILE_OFFSET_BITS=64 -Wall -fdiagnostics-color=always -g -I /usr/lib/x86_64-linux-gnu/ocaml/5.3.0 -I /usr/lib/x86_64-linux-gnu/ocaml/5.3.0/unix -o ev.o -c ev.c)
submodules/lev/lev/vendor/ev.c:580:48: warning: "/*" within comment [-Wcomment]
submodules/lev/lev/vendor/ev.c:2143:31: warning: ‘ev_default_loop_ptr’ initialized and declared ‘extern’
In file included from submodules/lev/lev/vendor/ev.c:211:
submodules/lev/lev/vendor/ev_epoll.c: In function ‘epoll_modify’:
submodules/lev/lev/vendor/ev_epoll.c:134:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev_epoll.c:134:69: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev_poll.c: In function ‘poll_poll’:
submodules/lev/lev/vendor/ev_poll.c:113:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev_poll.c:113:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev_poll.c:121:68: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev_poll.c:121:68: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘verify_watcher’:
submodules/lev/lev/vendor/ev.c:3573:49: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3573:49: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3576:59: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3576:59: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘verify_heap’:
submodules/lev/lev/vendor/ev.c:3587:54: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3587:54: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3588:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3588:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3589:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3589:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘array_verify’:
submodules/lev/lev/vendor/ev.c:3601:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3601:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_verify’:
submodules/lev/lev/vendor/ev.c:3619:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3619:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3632:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3632:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3636:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3636:61: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3637:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3637:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘timers_reify’:
submodules/lev/lev/vendor/ev.c:3823:93: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3823:93: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘periodics_reify’:
submodules/lev/lev/vendor/ev.c:3886:90: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:3886:90: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_run’:
submodules/lev/lev/vendor/ev.c:4027:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4027:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4169:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4169:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_io_start’:
submodules/lev/lev/vendor/ev.c:4343:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4343:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4344:63: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4344:63: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4356:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4356:62: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4358:34: warning: suggest parentheses around arithmetic in operand of ‘|’ [-Wparentheses]
submodules/lev/lev/vendor/ev.c: In function ‘ev_io_stop’:
submodules/lev/lev/vendor/ev.c:4372:88: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4372:88: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_timer_start’:
submodules/lev/lev/vendor/ev.c:4396:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4396:75: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_timer_stop’:
submodules/lev/lev/vendor/ev.c:4425:53: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4425:53: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_periodic_start’:
submodules/lev/lev/vendor/ev.c:4494:78: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4494:78: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_periodic_stop’:
submodules/lev/lev/vendor/ev.c:4527:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4527:56: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_signal_start’:
submodules/lev/lev/vendor/ev.c:4566:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4566:70: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4569:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4569:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_child_start’:
submodules/lev/lev/vendor/ev.c:4688:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:4688:74: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: In function ‘ev_embed_start’:
submodules/lev/lev/vendor/ev.c:5275:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c:5275:60: warning: left-hand operand of comma expression has no effect [-Wunused-value]
submodules/lev/lev/vendor/ev.c: At top level:
submodules/lev/lev/vendor/ev.c:5623:27: warning: "/*" within comment [-Wcomment]
submodules/lev/lev/vendor/ev.c:5624:27: warning: "/*" within comment [-Wcomment]
Works with opam 2.5.0 (dune 3.20.2 and ocaml-base-compiler.5.4.0) from upstream, rather that 2.3.0 from debian repos.