message: build: Add /opt/homebrew to path to look for boost libraries
diff: # Test for the Boost C++ libraries of a particular version (or newer)
  #
  # If no path to the installed boost library is given the macro searchs
  -# under /usr, /usr/local, /opt and /opt/local and evaluates the
  +# under /usr, /usr/local, /opt, /opt/local and /opt/homebrew and evaluates the
  # $BOOST_ROOT environment variable. Further documentation is available at
  # <http://randspringer.de/boost/index.html>.
  #
  @@ -151,7 +151,7 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
  else
  search_libsubdirs="$multiarch_libsubdir $libsubdirs"
  fi
  - for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
  + for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local /opt/homebrew/; do
  if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
  for libsubdir in $search_libsubdirs ; do
  if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
  @@ -227,7 +227,7 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
  fi
  else
  if test "x$cross_compiling" != "xyes" ; then
  - for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do
  + for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local /opt/homebrew ; do
  if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
  for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
  _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
  