xfcalendar 4.2.x fails with --enable-debug

[Benedikt Meurer]

Mickael, Juha,

C&p from a user report:

  if gcc -DHAVE_CONFIG_H -I. -I. -I..   -I/usr/local/include 
-I/usr/X11R6/include -I/usr/X11R6/include -DXTHREADS -D_REENTRANT 
-DXUSE_MTSAFE_API -I/usr/X11R6/include -I/usr/local/include/xfce4 
-I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include 
-I/usr/include/pango-1.0 -I/usr/include/freetype2 
-I/usr/include/freetype2/config -I/usr/include/glib-2.0 
-I/usr/lib/glib-2.0/include -I/usr/include/atk-1.0 -I/usr/X11R6/include 
-I/usr/local/include/xfce4 -I/usr/include/glib-2.0 
-I/usr/lib/glib-2.0/include -DPACKAGE_DATA_DIR=\""/usr/local/share"\" 
-DPACKAGE_LOCALE_DIR=\""/usr/local/share/locale"\" -I/usr/local/include 
  -I/usr/X11R6/include -I/usr/X11R6/include -g -Wall 
-DXFCE_DISABLE_DEPRECATED -MT xfcalendar-interface.o -MD -MP -MF 
".deps/xfcalendar-interface.Tpo" -c -o xfcalendar-interface.o `test -f 
'interface.c' || echo './'`interface.c; \
then mv -f ".deps/xfcalendar-interface.Tpo" 
".deps/xfcalendar-interface.Po"; else rm -f 
".deps/xfcalendar-interface.Tpo"; exit 1; fi
callbacks.c: In function `manageAppointment':
callbacks.c:182: error: `ctl_start' undeclared (first use in this function)
callbacks.c:182: error: (Each undeclared identifier is reported only once
callbacks.c:182: error: for each function it appears in.)
callbacks.c:182: error: `ctl_end' undeclared (first use in this function)
callbacks.c:183: error: `ctl_text' undeclared (first use in this function)
callbacks.c: In function `on_btClose_clicked':
callbacks.c:213: warning: implicit declaration of function `dialogWin'
gmake[2]: *** [xfcalendar-callbacks.o] Error 1
gmake[2]: *** Waiting for unfinished jobs....
gmake[2]: Leaving directory `/tmp/xfce4-4.2.1.1-installer/xfcalendar/src'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/tmp/xfce4-4.2.1.1-installer/xfcalendar'
gmake: *** [all] Error 2

The problem seems to be that xfcalendar does not build with 
--enable-debug. Please fix that and make sure that it compiles even with 
--enable-debug=full.

greets,
Benedikt