avoid -O default for CFLAGS, and document

[ikiwiki.git] / doc / usage.mdwn

diff --git a/doc/usage.mdwn b/doc/usage.mdwn
index 0c618de5c1eac91ac31b11407c90cc4585e0cab6..4ee935f73eff2f1ef53be8b4865712c051505e6e 100644 (file)
--- a/doc/usage.mdwn
+++ b/doc/usage.mdwn
@@ -345,6 +345,10 @@ also be configured using a setup file.
 
   This controls what C compiler is used to build wrappers. Default is 'cc'.
 
+* CFLAGS
+
+  This can be used to pass options to the C compiler when building wrappers.
+
 # SEE ALSO
 
 * [[ikiwiki-mass-rebuild]](8)