--- Makefile.orig	2009-05-29 07:45:20.000000000 +0400
+++ Makefile	2009-05-29 17:39:12.000000000 +0400
@@ -15,19 +15,18 @@
 #   along with this program; if not, write to the Free Software
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-prefix = /usr/local
+prefix = ${PREFIX}
 exec_prefix = $(prefix)
 
 datarootdir = $(prefix)/share
 pkgdatadir = $(datarootdir)/vor
 bindir = $(exec_prefix)/bin
 
-CFLAGS := -Wall -O3
 LDFLAGS := 
 
 paths := -DDATA_PREFIX=\"$(pkgdatadir)\"
-sdl-cflags := $(shell sdl-config --cflags)
-sdl-ldflags := $(shell sdl-config --libs)
+sdl-cflags := $(shell $(SDL_CONFIG) --cflags)
+sdl-ldflags := $(shell $(SDL_CONFIG) --libs)
 
 ldflags := $(sdl-ldflags) -lSDL_image -lSDL_mixer $(LDFLAGS)
 cflags := $(sdl-cflags) $(paths) $(CFLAGS)