etc: fix macOS dependency installer for googletest and pyqt by Divinesoumyadip · Pull Request #9867 · The-OpenROAD-Project/OpenROAD

Divinesoumyadip · 2026-03-21T11:20:02Z

Fixes three bugs in the macOS dependency installer that caused build failures for new contributors on macOS.
googletest was missing from the Homebrew package list which caused CMake to fail with Could NOT find GTest during the build. Adding googletest to the brew install line fixes this directly. The pyqt5 formula name is also incorrect ,the valid Homebrew formula is pyqt and using the wrong name causes a silent failure during dependency installation leaving GUI support broken on macOS. Finally --break-system-packages has been added to the pip3 install click command which is required on macOS with Python 3.12+ where pip enforces system package protection by default and fails without this flag.
Related Issues: Addresses macOS build failures reported by contributors building locally on Apple Silicon.

gemini-code-assist

Code Review

This pull request fixes several issues with the macOS dependency installer, specifically adding the missing googletest package, correcting the pyqt package name, and adding the --break-system-packages flag for pip on newer Python versions. The changes are correct and address the reported build failures. I have added one suggestion to improve the readability of the Homebrew package list, which has become quite long.

gemini-code-assist · 2026-03-21T11:22:30Z

etc/DependencyInstaller.sh

    log "Install darwin base packages using homebrew (-base or -all)"
-    _execute "Installing Homebrew packages..." brew install bison boost bzip2 cmake eigen flex fmt groff libomp or-tools pandoc pkg-config pyqt5 python spdlog tcl-tk zlib swig yaml-cpp
-    _execute "Installing Python click..." pip3 install click
+    _execute "Installing Homebrew packages..." brew install bison boost bzip2 cmake eigen flex fmt groff googletest libomp or-tools pandoc pkg-config pyqt python spdlog tcl-tk zlib swig yaml-cpp


For better readability and easier maintenance, consider breaking this long list of Homebrew packages into multiple lines and sorting them alphabetically. This makes it much easier to see which packages are being installed and to add or remove packages in the future.

_execute "Installing Homebrew packages..." brew install \ bison \ boost \ bzip2 \ cmake \ eigen \ flex \ fmt \ googletest \ groff \ libomp \ or-tools \ pandoc \ pkg-config \ pyqt \ python \ spdlog \ swig \ tcl-tk \ yaml-cpp \ zlib

github-actions · 2026-03-21T11:22:50Z

clang-tidy review says "All clean, LGTM! 👍"

github-actions · 2026-03-21T11:31:20Z

clang-tidy review says "All clean, LGTM! 👍"

luarss · 2026-03-21T11:57:11Z

etc/DependencyInstaller.sh

+        tcl-tk \
+        yaml-cpp \
+        zlib
+    _execute "Installing Python click..." pip3 install click --break-system-packages


Not sure about --break-system-packages, seems risky. Any alternatives?

Not sure about --break-system-packages, seems risky. Any alternatives?

Thanks for the feedback! You're right, --break-system-packages is a blunt approach. I can replace it with pipx install click instead , that's cleaner for Homebrew environments. Will update the PR.

github-actions · 2026-03-21T12:46:53Z

clang-tidy review says "All clean, LGTM! 👍"

github-actions · 2026-03-21T12:48:49Z

clang-tidy review says "All clean, LGTM! 👍"

github-actions · 2026-03-21T12:52:21Z

clang-tidy review says "All clean, LGTM! 👍"

Divinesoumyadip · 2026-03-21T12:54:10Z

clang-tidy review says "All clean, LGTM! 👍"

Replaced pip3 install click --break-system-packages with pipx install click cleaner for Homebrew environments. Also added a macOS fallback for nproc using sysctl -n hw.logicalcpu.

@luarss Kindly check and give me review .

luarss · 2026-03-21T12:58:35Z

etc/DependencyInstaller.sh

+        tcl-tk \
+        yaml-cpp \
+        zlib
+    _execute "Installing Python click..." pipx install click


whats pipx? does it come installed with system python?

whats pipx? does it come installed with system python?

pipx is not always pre-installed. I can use pip3 install click inside a venv instead, or add brew install pipx before the pip call. Which do you prefer?

Not sure which one will have the same global python3-click effect. Can you investigate?

Not sure which one will have the same global python3-click effect. Can you investigate?

I investigated so brew install click installs a Kubernetes CLI tool, not Python's click library. It's not available as a Homebrew formula. The cleanest global solution is brew install pipx && pipx install click also, pipx is available via Homebrew and installs click in an isolated but globally accessible environment. Want me to update with this?

Yes please.

luarss · 2026-03-21T12:59:05Z

etc/DependencyInstaller.sh

    log "Install darwin base packages using homebrew (-base or -all)"
-    _execute "Installing Homebrew packages..." brew install bison boost bzip2 cmake eigen flex fmt groff libomp or-tools pandoc pkg-config pyqt5 python spdlog tcl-tk zlib swig yaml-cpp
-    _execute "Installing Python click..." pip3 install click
+    _execute "Installing Homebrew packages..." brew install \


you can revert this. I think gemini's suggestion need not be followed for this line. Packages can be on a single line

luarss · 2026-03-21T12:59:37Z

etc/DependencyInstaller.sh

 CI="no"
 SAVE_DEPS_PREFIXES=""
-NUM_THREADS=$(nproc)
+if [[ "$OSTYPE" == "darwin"* ]]; then


revert this as well please. Keep the PR clean, focused on one objective

revert this as well please. Keep the PR clean, focused on one objective

Reverted the multiline formatting and nproc changes . PR is now focused only on the googletest and pyqt fixes. Also updated click installation to use brew install pipx && pipx install click since python-click is not available as a Homebrew formula (brew install click installs a Kubernetes tool, not Python's click).

github-actions · 2026-03-21T13:54:46Z

clang-tidy review says "All clean, LGTM! 👍"

github-actions · 2026-03-21T15:05:49Z

clang-tidy review says "All clean, LGTM! 👍"

luarss · 2026-03-21T15:08:36Z

src/grt/src/cugr/src/CUGR.cpp

    maze_route.run();
    std::shared_ptr<SteinerTreeNode> tree = maze_route.getSteinerTree();
-    assert(tree != nullptr);
+    if (tree == nullptr) {


why is this diff here?

Signed-off-by: Divinesoumyadip <soumyacode7@gmail.com>

github-actions · 2026-03-21T15:22:43Z

clang-tidy review says "All clean, LGTM! 👍"

Signed-off-by: Divinesoumyadip <soumyacode7@gmail.com>

github-actions · 2026-03-21T15:27:01Z

clang-tidy review says "All clean, LGTM! 👍"

gemini-code-assist bot reviewed Mar 21, 2026

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luarss reviewed Mar 21, 2026

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Divinesoumyadip force-pushed the fix/macos-dependency-installer branch from 8be9489 to 5ee875c Compare March 21, 2026 12:45

luarss suggested changes Mar 21, 2026

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Divinesoumyadip force-pushed the fix/macos-dependency-installer branch from f564def to 5a31107 Compare March 21, 2026 13:51

luarss suggested changes Mar 21, 2026

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etc: fix macOS dependency installer for googletest and pyqt

d5c8a60

Signed-off-by: Divinesoumyadip <soumyacode7@gmail.com>

Divinesoumyadip force-pushed the fix/macos-dependency-installer branch from 68ad55f to d5c8a60 Compare March 21, 2026 15:19

etc: use separate pipx install steps for click on macOS

ab5e710

Signed-off-by: Divinesoumyadip <soumyacode7@gmail.com>

luarss approved these changes Mar 21, 2026

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luarss requested a review from maliberty March 21, 2026 15:44

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Divinesoumyadip commented Mar 21, 2026 •

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