From 03f3d5e57cb525bd063554a86828bed6efd9e970 Mon Sep 17 00:00:00 2001
From: ShaharNaveh <50263213+ShaharNaveh@users.noreply.github.com>
Date: Sat, 7 Mar 2026 12:38:50 +0100
Subject: [PATCH 1/2] Add `install-macos-deps` action

---
 .github/actions/install-macos-deps/action.yml | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 .github/actions/install-macos-deps/action.yml

diff --git a/.github/actions/install-macos-deps/action.yml b/.github/actions/install-macos-deps/action.yml
new file mode 100644
index 00000000000..46abef197a4
--- /dev/null
+++ b/.github/actions/install-macos-deps/action.yml
@@ -0,0 +1,47 @@
+# This action installs a few dependencies necessary to build RustPython on macOS. By default it installs
+# autoconf, automake and libtool, but can be configured depending on which libraries are needed:
+#
+# ```
+# - uses: ./.github/actions/install-macos-deps
+#   with:
+#     openssl: true
+#     libtool: false
+# ```
+#
+# See the `inputs` section for all options and their defaults. Note that you must checkout the
+# repository before you can use this action.
+#
+# This action will only install dependencies when the current operating system is macOS. It will do
+# nothing on any other OS (Linux, Windows).
+
+name: Install macOS dependencies
+description: Installs the dependencies necessary to build RustPython on macOS.
+inputs:
+  autoconf:
+    description: Install autoconf (autoconf)
+    required: false
+    default: "true"
+  automake:
+    description: Install automake (automake)
+    required: false
+    default: "true"
+  libtool:
+    description: Install libtool (libtool)
+    required: false
+    default: "true"
+  openssl:
+    description: Install openssl (openssl@3)
+    required: false
+    default: "false"
+runs:
+  using: composite
+  steps:
+    - name: Install macOS dependencies
+      shell: bash
+      if: ${{ runner.os == 'macOS' }}
+      run: >
+        brew install
+        ${{ fromJSON(inputs.autoconf) && 'autoconf' || '' }}
+        ${{ fromJSON(inputs.automake) && 'automake' || '' }}
+        ${{ fromJSON(inputs.libtool) && 'libtool' || '' }}
+        ${{ fromJSON(inputs.openssl) && 'openssl@3' || '' }}

From 37b82ca2dd31a8cfb625bacef98b7838e08c0f6c Mon Sep 17 00:00:00 2001
From: ShaharNaveh <50263213+ShaharNaveh@users.noreply.github.com>
Date: Sat, 7 Mar 2026 12:41:10 +0100
Subject: [PATCH 2/2] Use new action

---
 .github/workflows/ci.yaml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a5d096caef1..0848d59295a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -135,9 +135,8 @@ jobs:
           components: clippy
       - uses: Swatinem/rust-cache@v2
 
-      - name: Set up the Mac environment
-        run: brew install autoconf automake libtool
-        if: runner.os == 'macOS'
+      - name: Install macOS dependencies
+        uses: ./.github/actions/install-macos-deps
 
       - name: run clippy
         run: cargo clippy ${{ env.CARGO_ARGS }} --workspace --all-targets ${{ env.WORKSPACE_EXCLUDES }} -- -Dwarnings
@@ -299,9 +298,10 @@ jobs:
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 
-      - name: Set up the Mac environment
-        run: brew install autoconf automake libtool openssl@3
-        if: runner.os == 'macOS'
+      - name: Install macOS dependencies
+        uses: ./.github/actions/install-macos-deps
+        with:
+          openssl: true
 
       - name: build rustpython
         run: cargo build --release --verbose --features=threading,jit ${{ env.CARGO_ARGS }}