Building on ltsc2025-2
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-18 07:46.10 ---> using "63e5ddb9687855d0a0c4c5e0088f813758807605401f3a88b07751088826ddff" from cache
C:/: (user (uid 1000) (gid 1000))
C:/: (env OPAMPRECISETRACKING 1)
C:/: (env OPAMUTF8 never)
C:/: (env OPAMEXTERNALSOLVER builtin-0install)
C:/: (env OPAMCRITERIA +removed)
C:/: (env CI true)
C:/: (env OPAM_HEALTH_CHECK_CI true)
C:/: (run (shell "ln -f /usr/local/bin/opam-dev.exe /usr/local/bin/opam.exe"))
2026-03-18 07:46.10 ---> using "eb751f1617949fccf400da87a349c508e73323f3f0e3482f2cce8c46fbcb6c21" from cache
C:/: (run (network host)
(shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q e589be2bb3f3c3428c9c98a122428f3ad2d44845"))
2026-03-18 07:46.10 ---> using "e45ceda38848c636c52a582b7b0e0300f8265fd055608e2010eb9091af016259" from cache
C:/: (run (shell "rm -rf ~/.opam && opam init -ya --bare ~/opam-repository"))
User configuration:
Updating ~\.bashrc.
[NOTE] Make sure that ~/.bashrc is well sourced in your ~\.bash_profile.
Added 9 lines after line 1 in ~\.bashrc.
2026-03-18 07:46.10 ---> using "fca0867f47a2fc38aa8538df0aa1321357eb4edfd9be8bd5b70f35382e16c023" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam switch create --repositories=default 'mingw-5.4' '5.4.0'"))
<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.4.0"}]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed arch-x86_64.1
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed host-arch-x86_64.1
-> installed host-system-mingw.1
-> retrieved flexdll.0.44 (cached)
-> retrieved ocaml-config.3 (cached)
-> installed flexdll.0.44
-> installed ocaml-options-vanilla.1
-> retrieved mingw-w64-shims.0.2.0 (cached)
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> installed mingw-w64-shims.0.2.0
-> retrieved ocaml-compiler.5.4.0 (cached)
-> installed ocaml-compiler.5.4.0
-> installed ocaml-base-compiler.5.4.0
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
Done.
# To update the current shell environment, run: eval $(opam env --switch=mingw-5.4)
2026-03-18 07:46.10 ---> using "50e23bda8cb7e182e2fb806cb3f1c6566c93ab53027ddfe1f4220b08bd2bf8f7" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-18 07:46.10 ---> using "882bc898cf68e632dee31003c12789c688566b3783a36d413db7b6a44325a086" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y conf-python-3-dev.1\
\nopam install -vy conf-python-3-dev.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: conf-python-3-dev.1 | grep -q 'ocaml/opam:windows-server-mingw-ltsc2025-opam'; then\
\n echo \"This package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\"\
\n exit 69\
\n fi\
\nfi \
\n\
\n\
\nexit $res"))
[NOTE] conf-python-3-dev.1 is not installed.
Nothing to do.
The following actions will be performed:
=== install 1 package
- install conf-python-3-dev 1
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 1/3: [conf-python-3-dev.1/Makefile: dl]
Processing 1/3: [conf-python-3-dev.1/test.c: dl]
-> retrieved conf-python-3-dev.1 (2 extra sources)
-> retrieved conf-python-3-dev.1 (2 extra sources)
Processing 2/3: [conf-python-3-dev: make]
+ C:\cygwin64\bin\make.exe (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-python-3-dev.1)
- cc `python3-config --includes` -o test test.c
- /bin/sh: line 1: python3-config: command not found
- /bin/sh: line 1: cc: command not found
- make: *** [Makefile:2: build] Error 127
[ERROR] The compilation of conf-python-3-dev.1 failed at "make".
#=== ERROR while compiling conf-python-3-dev.1 ================================#
# context 2.5.0 | win32/x86_64 | ocaml-base-compiler.5.4.0 | git+file://C:/cygwin64/home/opam/opam-repository
# path C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-python-3-dev.1
# command C:\cygwin64\bin\make.exe
# exit-code 2
# env-file C:\opam\.opam\log\conf-python-3-dev-10544-3fb64b.env
# output-file C:\opam\.opam\log\conf-python-3-dev-10544-3fb64b.out
### output ###
# cc `python3-config --includes` -o test test.c
# /bin/sh: line 1: python3-config: command not found
# /bin/sh: line 1: cc: command not found
# make: *** [Makefile:2: build] Error 127
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build conf-python-3-dev 1
+-
- No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'C:\cygwin64\usr\local\bin\opam.exe install -vy conf-python-3-dev.1' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y conf-python-3-dev.1
opam install -vy conf-python-3-dev.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: conf-python-3-dev.1 | grep -q 'ocaml/opam:windows-server-mingw-ltsc2025-opam'; then
echo "This package failed and has been disabled for CI using the 'x-ci-accept-failures' field."
exit 69
fi
fi
exit $res" failed with exit status 31
Failed: Build failed
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