configure: Added option to disable animations

The old behaviour was to expect the user to go modify manually a source
file which is not a great idea because that's typically the kind of things
in charge of the configure script.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>

README

@@ -201,7 +201,8 @@ while keeping a nice appearance and good functionality, follow the items bellow:
 - edit wconfig.h and disable the NUMLOCK_HACK and the features you don't use
   anyway (keep in mind that some of the #defines might not work, as they are not
   fully supported). Make sure to always keep NumLock and ScrollLock turned off.
-- turn on DisableAnimations. You can also #undefine ANIMATIONS in wconfig.h
+- turn on DisableAnimations. You can also specify --disable-animation at compile
+  time to the configure script.
 - strip down the default IconPath and PixmapPath entries to contain only 
   the paths that you really have in your system. 
 - do not use large images in the root background

configure.ac

@@ -289,6 +289,18 @@ AC_ARG_WITH(incs-from, AS_HELP_STRING([--with-incs-from], [pass compiler flags t
 
 dnl Features Configuration
 dnl ======================
+AC_ARG_ENABLE([animations],
+    [AS_HELP_STRING([--disable-animations], [disable permanently animations @<:@default=enabled@:>@])],
+    [AS_CASE(["$enableval"],
+        [yes|no], [],
+        [AC_MSG_ERROR([bad value $enableval for --enable-animations])])],
+    [enable_animations="yes"])
+AS_IF([test "x$enable_animations" = "xno"],
+    [unsupported="$unsupported Animations"],
+    [AC_DEFINE([USE_ANIMATIONS], [1], [Defined when user did not request to disable animations])
+     supported_core="$supported_core Animations"])
+
+
 AC_ARG_ENABLE([mwm-hints],
     [AS_HELP_STRING([--disable-mwm-hints], [disable support for Motif WM hints @<:@default=enabled@:>@])],
     [AS_CASE(["$enableval"],

doc/build/Compilation.texi

@@ -566,6 +566,10 @@ screen size.
 @subsection Feature Selection
 
 @table @option
+@item --disable-animations
+Disable animations permanently, by not compiling the corresponding code into @sc{Window Maker}.
+When enabled (the default), you still have a run-time configuration option in @emph{WPrefs}.
+
 @item --disable-mwm-hints
 Disable support for Motif's MWM Window Manager hints.
 These attributes were introduced by the Motif toolkit to ask for special window appearance requests.

src/wconfig.h.in

@@ -33,9 +33,6 @@
  * Also check the features you can enable through configure.
  */
 
-/* If you want animations for iconification, shading, icon arrangement etc. */
-#define USE_ANIMATIONS
-
 /*
  * Undefine BALLOON_TEXT if you don't want balloons for showing extra
  * information, like window titles that are not fully visible.