diff -up src/wmcalendar-0.5.2/Src/calendar.c.orig src/wmcalendar-0.5.2/Src/calendar.c
--- src/wmcalendar-0.5.2/Src/calendar.c.orig	2014-05-17 01:16:40.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/calendar.c	2014-05-17 01:35:49.000000000 -0600
@@ -1,5 +1,6 @@
 #include "calendar.h"
 
+const char* get_icsfile();
 int  get_datetype(int day){return datetype[day][0];}
 
 /*------------------------------------------------------
@@ -48,7 +49,7 @@ void move2(GtkWidget *widget, GdkEventMo
 
 
 
-void kill (GtkWidget * widget)
+void killit (GtkWidget * widget)
 {
     gtk_widget_destroy ((GtkWidget*)gtk_widget_get_toplevel(widget));
     gtk_main_quit ();
@@ -193,7 +194,7 @@ void showDay(struct icaltimetype dt){
 	gtk_signal_connect(GTK_OBJECT (event_box), "button_press_event",
 			   GTK_SIGNAL_FUNC (move), NULL);
 	gtk_signal_connect(GTK_OBJECT (event_box2), "button_press_event",
-			   (GtkSignalFunc) kill, GTK_OBJECT(dayView));
+			   (GtkSignalFunc) killit, GTK_OBJECT(dayView));
 
 	gtk_widget_realize(dayView);
 	//	gtk_window_set_position(GTK_WINDOW (dayView),GTK_WIN_POS_CENTER_ON_PARENT);
@@ -313,9 +314,9 @@ int dayevents(struct icaltimetype dt, Gt
  -----------------------------------------------------*/
 void deleteCalObjs(){
     int i;
-    struct calObj* help;
+    struct calobj* help;
     while(calRoot){
-	help = (struct calObj*) calRoot->next;
+	help = calRoot->next;
 	free(calRoot->text);
 	free(calRoot->comp);
 	free(calRoot);
diff -up src/wmcalendar-0.5.2/Src/calendarfunc.c.orig src/wmcalendar-0.5.2/Src/calendarfunc.c
--- src/wmcalendar-0.5.2/Src/calendarfunc.c.orig	2014-05-17 01:24:31.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/calendarfunc.c	2014-05-17 01:24:43.000000000 -0600
@@ -22,6 +22,7 @@
 
 #include "calendarfunc.h"
 #include <stdio.h>
+#include <math.h>
 
 
 
diff -up src/wmcalendar-0.5.2/Src/calendarfunc.h.orig src/wmcalendar-0.5.2/Src/calendarfunc.h
--- src/wmcalendar-0.5.2/Src/calendarfunc.h.orig	2014-05-17 01:22:29.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/calendarfunc.h	2014-05-17 01:22:43.000000000 -0600
@@ -22,7 +22,7 @@
 
 #include <unistd.h>
 #include <stdlib.h>
-#include <ical.h>
+#include <libical/ical.h>
 #define TIMZ 3.0
 #define MINAGE 13.5
 #define SUNSET 19.5 /*approximate */
diff -up src/wmcalendar-0.5.2/Src/calendar.h.orig src/wmcalendar-0.5.2/Src/calendar.h
--- src/wmcalendar-0.5.2/Src/calendar.h.orig	2014-05-17 01:22:36.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/calendar.h	2014-05-17 01:22:43.000000000 -0600
@@ -1,4 +1,4 @@
-#include <ical.h>
+#include <libical/ical.h>
 #include <stdlib.h>
 #include <gtk/gtk.h>
 #include <string.h>
diff -up src/wmcalendar-0.5.2/Src/dockapp.c.orig src/wmcalendar-0.5.2/Src/dockapp.c
--- src/wmcalendar-0.5.2/Src/dockapp.c.orig	2014-05-17 01:23:24.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/dockapp.c	2014-05-17 01:30:49.000000000 -0600
@@ -23,6 +23,7 @@
  * modified by Seiichi SATO <ssato@sh.rim.or.jp>
  */
 
+#include <unistd.h>
 #include "dockapp.h"
 
 #define WINDOWED_SIZE_W 64
diff -up src/wmcalendar-0.5.2/Src/dockapp.h.orig src/wmcalendar-0.5.2/Src/dockapp.h
--- src/wmcalendar-0.5.2/Src/dockapp.h.orig	2014-05-17 01:36:30.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/dockapp.h	2014-05-17 01:37:43.000000000 -0600
@@ -23,55 +23,17 @@
  * modified by Seiichi SATO <ssato@sh.rim.or.jp>
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <X11/Xlib.h>
 #include <X11/xpm.h>
 #include <X11/extensions/shape.h>
-
 #include <stdio.h>
-
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# if HAVE_STDLIB_H
-#  include <stdlib.h>
-# endif
-#endif
-
-#if HAVE_STRING_H
-# if !STDC_HEADERS && HAVE_MEMORY_H
-#  include <memory.h>
-# endif
-# include <string.h>
-#endif
-#if HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#if HAVE_SELECT
-# include <sys/select.h>
-#endif
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-#  include <sys/time.h>
-# else
-#  include <time.h>
-# endif
-#endif
-
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#else
-/* We are in trouble. */
-#endif
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
 
 extern Display *display;
 extern Bool dockapp_iswindowed;
diff -up src/wmcalendar-0.5.2/Src/Makefile.orig src/wmcalendar-0.5.2/Src/Makefile
--- src/wmcalendar-0.5.2/Src/Makefile.orig	2014-05-17 01:17:11.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/Makefile	2014-05-17 01:20:23.000000000 -0600
@@ -1,6 +1,6 @@
 CC     = gcc
-INCLUDES  = `pkg-config --cflags gtk+-2.0` -I. 
-LFLAGS = `pkg-config --libs gtk+-2.0`
+INCLUDES  = `pkg-config x11 xext gtk+-2.0 --cflags` -I. 
+LFLAGS = -lm `pkg-config x11 xext gtk+-2.0 --libs`
 
 # for BSD
 #INCLUDES = `gtk12-config --cflags` -I. 
diff -up src/wmcalendar-0.5.2/Src/wmCalendar.c.orig src/wmcalendar-0.5.2/Src/wmCalendar.c
--- src/wmcalendar-0.5.2/Src/wmCalendar.c.orig	2014-05-17 01:28:48.000000000 -0600
+++ src/wmcalendar-0.5.2/Src/wmCalendar.c	2014-05-17 01:29:06.000000000 -0600
@@ -7,6 +7,7 @@
  *  		a calendar dockapp
  -----------------------------------------------------*/
 
+#include <unistd.h>
 #include "wmCalendar.h"
               
 /*------------------------------------------------------