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| author | Malcolm.Wallace@cs.york.ac.uk <unknown> | 2006-07-12 09:39:07 +0000 |
|---|---|---|
| committer | Malcolm.Wallace@cs.york.ac.uk <unknown> | 2006-07-12 09:39:07 +0000 |
| commit | 09c814ec2c4fa854165f98aff4d29a69cafdc92a (patch) | |
| tree | 202d0ba5733f959e35e50fec10690bd04e879ffc | |
| parent | 33989e6eb745ca9d54ba638bc89bec7660cba4be (diff) | |
| download | haskell-09c814ec2c4fa854165f98aff4d29a69cafdc92a.tar.gz | |
document that -fglasgow-exts is needed for RULES to work
| -rw-r--r-- | docs/users_guide/glasgow_exts.xml | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/users_guide/glasgow_exts.xml b/docs/users_guide/glasgow_exts.xml index 319104e108..3801f966f3 100644 --- a/docs/users_guide/glasgow_exts.xml +++ b/docs/users_guide/glasgow_exts.xml @@ -5378,7 +5378,9 @@ The programmer can specify rewrite rules as part of the source program (in a pragma). GHC applies these rewrite rules wherever it can, provided (a) the <option>-O</option> flag (<xref linkend="options-optimise"/>) is on, and (b) the <option>-frules-off</option> flag -(<xref linkend="options-f"/>) is not specified. +(<xref linkend="options-f"/>) is not specified, and (c) the +<option>-fglasgow-exts</option> (<xref linkend="options-language"/>) +flag is active. </para> <para> |