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gh-127359: Pin Tcl/Tk to 8 (8.6) for testing macOS #127365

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Merged
merged 3 commits into from
Nov 28, 2024
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gh-127359: Pin Tcl/Tk to 8 (8.6) for testing macOS #127365

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Pin Tcl/Tk to 8 (8.6) for testing macOS
hugovk Nov 27, 2024
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brew link tcl-tk@8
hugovk Nov 28, 2024
8b61ff3
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hugovk Nov 28, 2024
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4 changes: 3 additions & 1 deletion .github/workflows/reusable-macos.yml
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Expand Up @@ -37,7 +37,9 @@ jobs:
path: config.cache
key: ${{ github.job }}-${{ inputs.os }}-${{ env.IMAGE_VERSION }}-${{ inputs.config_hash }}
- name: Install Homebrew dependencies
run: brew install pkg-config [email protected] xz gdbm tcl-tk make
run: |
brew install pkg-config [email protected] xz gdbm tcl-tk@8 make
brew link tcl-tk@8
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I don't know brew: what is this new brew link tcl-tk@8 command? brew install is not enough? Maybe add a comment to explain it?

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Because tcl-tk@8 is an alternative version and not the latest, it installs as so-called "keg-only", which means it doesn't get symlinked into the usual paths:

❯ brew info tcl-tk@8
==> tcl-tk@8: stable 8.6.15 (bottled) [keg-only]
Tool Command Language
https://www.tcl-lang.org
Installed
/opt/homebrew/Cellar/tcl-tk@8/8.6.15 (3,069 files, 35.7MB)
  Poured from bottle using the formulae.brew.sh API on 2024-11-28 at 14:38:32
From: https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/t/[email protected]
License: TCL
==> Dependencies
Required: openssl@3 ✔
==> Caveats
The sqlite3_analyzer binary is in the `sqlite-analyzer` formula.

tcl-tk@8 is keg-only, which means it was not symlinked into /opt/homebrew,
because this is an alternate version of another formula.

If you need to have tcl-tk@8 first in your PATH, run:
  echo 'export PATH="/opt/homebrew/opt/tcl-tk@8/bin:$PATH"' >> ~/.zshrc

For compilers to find tcl-tk@8 you may need to set:
  export LDFLAGS="-L/opt/homebrew/opt/tcl-tk@8/lib"
  export CPPFLAGS="-I/opt/homebrew/opt/tcl-tk@8/include"

For pkg-config to find tcl-tk@8 you may need to set:
  export PKG_CONFIG_PATH="/opt/homebrew/opt/tcl-tk@8/lib/pkgconfig"
==> Analytics
install: 12,709 (30 days), 12,737 (90 days), 12,738 (365 days)
install-on-request: 280 (30 days), 310 (90 days), 310 (365 days)
build-error: 8 (30 days)

Perhaps a comment like?

        brew install pkg-config [email protected] xz gdbm tcl-tk@8 make
        # Because alternate versions are not symlinked into place by default:
        brew link tcl-tk@8

- name: Configure CPython
run: |
GDBM_CFLAGS="-I$(brew --prefix gdbm)/include" \
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