- <para>Next, we call
- <function>hs_add_root</function><indexterm><primary><function>hs_add_root</function></primary>
- </indexterm>, a GHC-specific interface which is required to
- initialise the Haskell modules in the program. The argument
- to <function>hs_add_root</function> should be the name of the
- initialization function for the "root" module in your program
- - in other words, the module which directly or indirectly
- imports all the other Haskell modules in the program. In a
- standalone Haskell program the root module is normally
- <literal>Main</literal>, but when you are using Haskell code
- from a library it may not be. If your program has multiple
- root modules, then you can call
- <function>hs_add_root</function> multiple times, one for each
- root. The name of the initialization function for module
- <replaceable>M</replaceable> is
- <literal>__stginit_<replaceable>M</replaceable></literal>, and
- it may be declared as an external function symbol as in the
- code above. Note that the symbol name should be transformed
- according to the Z-encoding:</para>
-