# Automake {#setup-hook-automake}
Adds the `share/aclocal` subdirectory of each build input to the `ACLOCAL_PATH` environment variable.
Title: Automake and ACLOCAL_PATH
Summary
This section explains that Automake's role is to append the `share/aclocal` subdirectory of every build input to the `ACLOCAL_PATH` environment variable.