<term><envar>PERL</envar></term>

<listitem>

<para>

Full path name of the Perl interpreter. This will be used to

determine the dependencies for building PL/Perl.

Perl interpreter program. This will be used to determine the

dependencies for building PL/Perl. The default is

<command>perl</command>.

</para>

</listitem>

</varlistentry>

<term><envar>PYTHON</envar></term>

<listitem>

<para>

Full path name of thePython interpreter. This will be used to

Python interpreter program. This will be used to

determine the dependencies for building PL/Python. Also,

whether Python 2 or 3 is specified here (or otherwise

implicitly chosen) determines which variant of the PL/Python

language becomes available. See

<![%standalone-include[the <application>PL/Python</>

documentation]]>

<![%standalone-ignore[<xref linkend="plpython-python23">]]>

for more information.

for more information. The default is <command>python</command>.

</para>

</listitem>

</varlistentry>

<term><envar>TCLSH</envar></term>

<listitem>

<para>

Full path name of theTcl interpreter. This will be used to

Tcl interpreter program. This will be used to

determine the dependencies for building PL/Tcl, and it will

be substituted into Tcl scripts.

</para>