--- a/configure.ac	2008-10-03 18:50:04.000000000 -0400
+++ a/configure.ac	2014-04-16 13:18:23.687578684 -0400
@@ -97,8 +97,11 @@ 
   [AC_MSG_ERROR(AUDIO: you need libsndfile installed.
 		http://www.http://www.mega-nerd.com/libsndfile/)])
 
+AC_CHECK_LIB([SDL], [SDL_MapRGB], , [AC_MSG_ERROR(Cannot locate SDL library)])
+AC_CHECK_LIB([ogg], [ogg_stream_eos], , [AC_MSG_ERROR(Cannot locate ogg library)])
+
 CFLAGS="$CFLAGS $SDL_CFLAGS"
-LIBS="$X_LIBS $X_PRE_LIBS -L/usr/X11R6/lib -lX11 $X_EXTRA_LIBS $LIBS"
+LIBS="$X_LIBS $X_PRE_LIBS  -lX11 $X_EXTRA_LIBS $LIBS"
 LIBS="$LIBS $SDL_LIBS"
 
 # Checks for header files.
--- a/src/Makefile.am	2007-09-02 14:30:53.000000000 -0400
+++ a/src/Makefile.am	2014-04-16 13:19:36.735268961 -0400
@@ -24,7 +24,7 @@ 
 
 fweelindir = $(datadir)/fweelin
 
-FWEELIN_CFLAGS = -I. -g -Wall -Wno-non-virtual-dtor -D_REENTRANT -DPTHREADS -DNDEBUG -DVERSION=\"$(VERSION)\" -DFWEELIN_DATADIR=\"$(fweelindir)\" -DADDON_DIR=\"/usr/local/lib/jack\" -I/usr/include/freetype2 -I/usr/include/libxml2 -funroll-loops -finline-functions -fomit-frame-pointer -ffast-math -fexpensive-optimizations -fstrict-aliasing -falign-loops=2 -falign-jumps=2 -falign-functions=2 -O9
+FWEELIN_CFLAGS = -I.  -Wall -Wno-non-virtual-dtor -D_REENTRANT -DPTHREADS -DNDEBUG -DVERSION=\"$(VERSION)\" -DFWEELIN_DATADIR=\"$(fweelindir)\" -DADDON_DIR=\"/usr/lib64/jack\" -I/usr/include/freetype2 -I/usr/include/libxml2 
 
 AM_CFLAGS = $(CFLAGS) $(FWEELIN_CFLAGS)
 AM_CXXFLAGS = $(CFLAGS) $(CXXFLAGS) $(FWEELIN_CFLAGS)