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command 'opam install utop' fails in windows #27485

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prabuinet opened this issue Feb 18, 2025 · 0 comments
Open

command 'opam install utop' fails in windows #27485

prabuinet opened this issue Feb 18, 2025 · 0 comments

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@prabuinet
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I have latest version of visual studio 2022 (with c/c++ compilers) installed.
opam install utop command fails with the following error:

configure: error: C11 atomic support is required, use another C compiler

Attached config.log file

opam config report

# opam config report
# opam-version         2.3.0
# self-upgrade         no
# system               arch=x86_64 os=win32 os-distribution=msys2 os-version=10.0.22621
# solver               builtin-mccs+glpk
# install-criteria     -removed,-count[avoid-version,changed],-count[version-lag,request],-count[version-lag,changed],-count[missing-depexts,changed],-changed
# upgrade-criteria     -removed,-count[avoid-version,changed],-count[version-lag,solution],-count[missing-depexts,changed],-new
# jobs                 19
# repositories         1 (http), 1 (local), 1 (version-controlled) (default repo at 2dcd8684)
# pinned               0
# current-switch       playground
# invariant            []
# compiler-packages    none

config.log

@kit-ty-kate kit-ty-kate transferred this issue from ocaml/opam Feb 20, 2025
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