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| author | simonpj@microsoft.com <unknown> | 2008-08-14 15:26:48 +0000 |
|---|---|---|
| committer | simonpj@microsoft.com <unknown> | 2008-08-14 15:26:48 +0000 |
| commit | 2f979bf83bad9b012efa225c38cfcd7ea91b2b29 (patch) | |
| tree | 6c6ae212863b3d560f56e637d1c360a3cd78e482 /docs/users_guide/separate_compilation.xml | |
| parent | c9e8286bf57931bd9daa0135326a7857c2351d03 (diff) | |
| download | haskell-2f979bf83bad9b012efa225c38cfcd7ea91b2b29.tar.gz | |
Improve -fwarn-orphans documentation (thanks to Tim)
Diffstat (limited to 'docs/users_guide/separate_compilation.xml')
| -rw-r--r-- | docs/users_guide/separate_compilation.xml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/users_guide/separate_compilation.xml b/docs/users_guide/separate_compilation.xml index bc3afcab63..01748ae926 100644 --- a/docs/users_guide/separate_compilation.xml +++ b/docs/users_guide/separate_compilation.xml @@ -1247,7 +1247,13 @@ These considerations lead to the following definition of an orphan module: -<para>GHC will warn you if you are creating an orphan module, if you add `-fwarn-orphan-modules`. +<para>If you use the flag <option>-fwarn-orphans</option>, GHC will warn you +if you are creating an orphan module. +Like any warning, you can switch the warning off with <option>-fno-warn-orphans</option>, +and <option>-Werror</option> +will make the compilation fail if the warning is issued. +</para> +<para> You can identify an orphan module by looking in its interface file, <filename>M.hi</filename>, using the <link linkend="modes"><option>--show-iface</option> mode</link>. If there is a <literal>[orphan module]</literal> on the |