Use M1 Github runner.

.github/workflows/ci-test.yml

@@ -120,7 +120,7 @@ jobs:
   test-mac-os:
     strategy:
       fail-fast: false
-    runs-on: macos-12
+    runs-on: macos-13-xlarge
     env:
       CTEST_PARALLEL_LEVEL: 4
     steps:

tools/install_mac_deps.sh

@@ -5,30 +5,33 @@
 set -e  # Exit on error.
 set -x  # Make command execution verbose
 
-# Install some custom requirements on OS X using brew
-BREW=/usr/local/bin/brew
+
+# Set up Homebrew differently for arm64.
+if [[ $(uname -m) == 'arm64' ]]; then
+    BREW=/opt/homebrew/bin/brew
+else
+    BREW=/usr/local/bin/brew
+fi
+
 if [[ ! -x $BREW ]]; then
     /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
 fi
+HOMEBREW_PREFIX=$($BREW --prefix)
 
+# Install some custom requirements on OS X using brew
 BOOST_LIB="[email protected]"
-
 $BREW install autoconf automake bdw-gc ccache cmake \
-      libtool openssl pkg-config python coreutils
+      libtool openssl pkg-config coreutils bison grep \
+      ${BOOST_LIB}
 
 # We need to link boost.
-$BREW install ${BOOST_LIB}
 $BREW link ${BOOST_LIB}
 # Prefer Homebrew's bison and grep over the macOS-provided version
-$BREW install bison
-echo 'export PATH="/usr/local/opt/bison/bin:$PATH"' >> ~/.bash_profile
-$BREW install grep
-echo 'export PATH="/usr/local/opt/grep/libexec/gnubin:$PATH"' >> ~/.bash_profile
+echo 'export PATH="$($BREW --prefix bison)/bin:$PATH"' >> ~/.bash_profile
+echo 'export PATH="$HOMEBREW_PREFIX/opt/grep/libexec/gnubin:$PATH"' >> ~/.bash_profile
+
 source ~/.bash_profile
 
 
-# install pip and required pip packages
-# curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
-# python get-pip.py --user
-# use scapy 2.4.5, which is the version on which ptf depends
-pip3 install --user scapy==2.4.5 ply==3.8
+# Install required pip packages
+pip3 install --user -r requirements.txt