Sandboxing the autoconf package as _kegonly means that the autoconf213 and autoheader213 binaries aren't symlinked into the Homebrew bin folder. This then means the php version provider can't find these for the older versions of PHP and installs fail.
Sandboxing the autoconf package as _kegonly means that the
autoconf213andautoheader213binaries aren't symlinked into the Homebrewbinfolder. This then means the php version provider can't find these for the older versions of PHP and installs fail.