Update GitHub CI workflow for macOS.

Author: ned-deily

.github/workflows/build.yml

@@ -126,10 +126,24 @@ jobs:
     runs-on: macos-latest
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true'
+    env:
+      HOMEBREW_NO_ANALYTICS: 1
+      HOMEBREW_NO_AUTO_UPDATE: 1
+      HOMEBREW_NO_INSTALL_CLEANUP: 1
     steps:
     - uses: actions/checkout@v2
     - name: Configure CPython
-      run: SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk ./configure --with-pydebug --with-openssl=/usr/local/opt/openssl --prefix=/opt/python-dev
+      run: |
+        brew install pkg-config openssl@1.1 xz gdbm tcl-tk
+        SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk \
+        CC=clang \
+        CPPFLAGS="-I$(brew --prefix gdbm)/include -I$(brew --prefix xz)/include" \
+        LDFLAGS="-L$(brew --prefix gdbm)/lib -L$(brew --prefix xz)/lib" \
+        ./configure --prefix=/opt/python-dev \
+            --with-pydebug \
+            --with-openssl="$(brew --prefix openssl@1.1)" \
+            --with-tcltk-libs="$(pkg-config --libs tk)" \
+            --with-tcltk-includes="$(pkg-config --cflags tk)"
     - name: Build CPython
       run: make -j4
     - name: Display build info