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ci: spec22-gems msys harness roots the toolchain bin at the msys mount #114

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Merged
ronaldtse merged 1 commit into from
Sep 22, 2026
Merged

ci: spec22-gems msys harness roots the toolchain bin at the msys mount #114

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12 changes: 8 additions & 4 deletions ci/spec22-gems/run-msys.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -35,9 +35,9 @@
# Overridable:
# SCRATCH (default: /tmp/spec22-gems-msys-scratch-<version>;
# POSIX spelling — it rides the conv_envvars below)
# UCRT64_BIN (default: /d/a/_temp/msys64/<toolchain>/bin — the
# setup-msys2 location, toolchain per the arch detected
# below: ucrt64 on x64, clangarm64 on arm64; the
# UCRT64_BIN (default: /<toolchain>/bin — POSIX spelling off the
# msys2 install-root mount, toolchain per the arch
# detected below: ucrt64 on x64, clangarm64 on arm64; the
# gem-install leg's PATH source for gcc/make, exactly what
# the factory builds with;
# POSIX spelling — it rides PATH, a conv_envvar)
Expand Down Expand Up @@ -143,7 +143,11 @@ case "$pkg_stem" in
*-windows-ucrt64) CPU_TAG=x64; MSYS_TOOLCHAIN=ucrt64 ;;
*) die "no arch-readable runtime exe under $RUNTIME_PKG_DIR (tebako-runtime-*-windows-ucrt64|windows-ucrt-arm64 expected)" ;;
esac
UCRT64_BIN="${UCRT64_BIN:-/d/a/_temp/msys64/$MSYS_TOOLCHAIN/bin}"
# POSIX spelling — the msys2 shell mounts its install root at /, so
# /<toolchain>/bin resolves on any runner drive layout (the absolute
# /d/a/_temp/msys64 spelling broke on windows-11-arm, whose workspace
# and toolcache live on C: — the third arm64 dogfood's clang++ ENOENT).
UCRT64_BIN="${UCRT64_BIN:-/$MSYS_TOOLCHAIN/bin}"

# The probe images press in the format the leg's own driver mounts:
# dwarfs on x64 (the x64 env image's format), limnifs on arm64 — the
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