--- a/configure.ac.old	2015-02-26 23:25:34.146334845 +0100
+++ b/configure.ac	2015-02-26 23:25:47.978312858 +0100
@@ -17,6 +17,7 @@
 CFLAGS="$CFLAGS $SDL_CFLAGS"
-LIBS="$LIBS $SDL_LIBS"
+LIBS="$LIBS -lm $SDL_LIBS"
 
-AC_SUBST(CFLAGS LIBS)
+AC_SUBST(CFLAGS)
+AC_SUBST(LIBS)
 
 AC_OUTPUT(	Makefile  )
--- a/configure.ac.old	2015-02-26 23:33:25.801552821 +0100
+++ b/configure.ac	2015-02-26 23:33:47.509542361 +0100
@@ -1,4 +1,4 @@
-AC_INIT( wakkabox.c )
+AC_INIT([[wakkabox.c]])
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
--- a/wakkabox.c.old	2015-02-26 23:43:26.146386413 +0100
+++ b/wakkabox.c	2015-02-26 23:44:39.647389816 +0100
@@ -249,22 +249,22 @@
 	printf("Loading bmp files from %s...", DATADIR);
 	
 	smallblockFname = (char*)malloc( strlen("smallblock.bmp") 
-									 + strlen(DATADIR) );
+									 + strlen(DATADIR) + 2);
 	medblockhFname = (char*)malloc( strlen("medblockh.bmp") 
-									+ strlen(DATADIR) );
+									+ strlen(DATADIR) + 2);
 	medblockvFname = (char*)malloc( strlen("medblockv.bmp") 
-									+ strlen(DATADIR) );
+									+ strlen(DATADIR) + 2);
 	bigblockFname = (char*)malloc( strlen("bigblock.bmp") 
-								   + strlen(DATADIR) );
+								   + strlen(DATADIR) + 2);
 
 	smallblockLocalName = (char*)malloc( strlen("smallblock.bmp") 
-										 + strlen(".") );
+										 + strlen(".") + 2);
 	medblockhLocalName = (char*)malloc( strlen("medblockh.bmp") 
-										+ strlen(".") );
+										+ strlen(".") + 2);
 	medblockvLocalName = (char*)malloc( strlen("medblockv.bmp") 
-										+ strlen(".") );
+										+ strlen(".") + 2);
 	bigblockLocalName = (char*)malloc( strlen("bigblock.bmp") 
-									   + strlen(".") );
+									   + strlen(".") + 2);
 	
 
 	sprintf( smallblockFname, "%s/smallblock.bmp", DATADIR );