[geany/geany] f1b84c: Mention G_GNUC_UNUSED macro. (#1582)

[LarsGit223]

Branch:      refs/heads/master
Author:      LarsGit223 <LarsGit223 at users.noreply.github.com>
Committer:   elextr <elextr at gmail.com>
Date:        Mon, 21 Aug 2017 23:38:31 UTC
Commit:      f1b84c995bac5df2effa3d291a48533ec0aa43ac
             https://github.com/geany/geany/commit/f1b84c995bac5df2effa3d291a48533ec0aa43ac

Log Message:
-----------
Mention G_GNUC_UNUSED macro. (#1582)

Mention G_GNUC_UNUSED as an alternative to `-Wno-unused-parameter`.


Modified Paths:
--------------
    HACKING

Modified: HACKING
5 lines changed, 4 insertions(+), 1 deletions(-)
===================================================================
@@ -229,7 +229,10 @@ to set warning options (as well as anything else e.g. -g -O2).
 
 * Enable warnings - for gcc use '-Wall -Wextra' (and optionally
   -Wno-unused-parameter to avoid unused parameter warnings in Glade
-  callbacks).
+  callbacks). Alternatively you can use the Glib macro G_GNUC_UNUSED
+  to suppress warnings on single parameters, e.g.
+  ``void examplefunction(G_GNUC_UNUSED gchar *foo)``. Also see
+  https://developer.gnome.org/glib/stable/glib-Miscellaneous-Macros.html.
 * You should try to write ISO C99 code for portability, so always
   use C ``/* */`` comments and function_name(void) instead of
   function_name(). This is for compatibility with various Unix-like



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