diff --git a/autogen.sh b/autogen.sh
index dab8e09..8fe40c2 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,5 +4,5 @@ aclocal
 autoheader
 autoconf
 automake --add-missing
-
+./configure 
 
diff --git a/configure.ac b/configure.ac
index 6a118d0..c4ba72b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,12 +15,12 @@ AC_PROG_CC
 AM_PROG_CC_STDC
 AC_HEADER_STDC
 AC_C_INLINE
+
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS(vsnprintf)
 
 dnl Checks for programs.
 
-
 dnl Checks for libraries.
 dnl Check for SDL
    AM_PATH_SDL(1.1.0,
@@ -28,13 +28,12 @@ dnl Check for SDL
         AC_MSG_ERROR(SDL not found. Make sure sdl-config is in your PATH, or specify with --with-sdl-prefix)
     )
     
-    CFLAGS="$SDL_CFLAGS $CFLAGS"
+    CFLAGS="$SDL_CFLAGS $CFLAGS -I../include"
 	SDL_LIBS="$SDL_LIBS -lpng -ljpeg"
     LIBS="$SDL_LIBS $LIBS"
 
 dnl Checks for header files.
 
-
 dnl Checks for typedefs, structures, and compiler characteristics.
 case "$target" in
     *cygwin* | *mingw32* | *mingw32msvc* )
@@ -63,26 +62,7 @@ case "$target" in
         ;;
 esac
 
-
-dnl Debug ************************************
-AC_ARG_ENABLE(debug, [  --disable-debug          Disable Debuging ])
-if test x$enable_debug = xno ; then
-	CFLAGS="$CFLAGS"
-else
-	CFLAGS="$CFLAGS -ggdb -O0"
-	LDFLAGS="$LDFLAGS -ggdb"
-	AC_MSG_WARN(Enable Debuging)
-fi
-
-dnl All Warning are Errors ************************
-AC_ARG_ENABLE(werror, [  --disable-werror          Disable Warning as Error Treatment ])
-if test x$enable_werror = xno ; then
-	CFLAGS="$CFLAGS -Wall"
-	AC_MSG_WARN(Disable Warning as Error Treatment)
-else
-	CFLAGS="$CFLAGS -Wall -Werror"
-fi
-
+AC_CHECK_LIB([m],[cos])
 
 dnl SDL_image library *****************************
 AC_CHECK_LIB(SDL_image, IMG_LoadPNG_RW, , AC_MSG_ERROR([
@@ -115,8 +95,6 @@ else
 	fi
 fi
 
-
-
 dnl Checks for library functions.
 dnl Check for rintf and functions like that
 AC_MSG_CHECKING(for rintf)
@@ -124,20 +102,13 @@ have_rintf=no
 AC_TRY_COMPILE([
 #include <math.h>
 ],[
-int i; float f; i = rintf (f); 
+int i; float f = 0.0; i = rintf (f); i++;
 ],[
 have_rintf=yes
 ])
 AC_MSG_RESULT($have_rintf)
-if test x$have_rintf = xno; then
-dnl	AC_CHECK_LIB([m],[cos])
-	AC_CHECK_LIB(m, rintf, have_rintf=yes, have_rintf=no , )
-fi
-
 if test x$have_rintf = xyes; then
     	AC_DEFINE(HAVE_RINTF, [1], [if rintf is working here])
-else
-		AC_MSG_WARN([*** something wrong with libm????? ])
 fi
 
 
@@ -148,14 +119,11 @@ have_rint=no
 AC_TRY_COMPILE([
 #include <math.h>
 ],[
-int i; double f; i = rint (f); 
+int i; double f = 0.0; i = rint (f); i++;
 ],[
 have_rint=yes
 ])
 AC_MSG_RESULT($have_rint)
-if test x$have_rint = xno; then
-	AC_CHECK_LIB(m, rint, have_rint=yes, have_rint=no , )
-fi
 
 if test x$have_rint = xyes; then
    	AC_DEFINE(HAVE_RINT, [1], [if rint is working here])
@@ -169,14 +137,11 @@ have_powf=no
 AC_TRY_COMPILE([
 #include <math.h>
 ],[
-float i; float f = 2; float j = 2; i = powf (f,j); 
+float i; float f = 2.0; float j = 2.0; i = powf (f,j); i = i + 1.0;
 ],[
 have_powf=yes
 ])
 AC_MSG_RESULT($have_powf)
-if test x$have_powf = xno; then
-	AC_CHECK_LIB(m, powf, have_powf=yes, have_powf=no , )
-fi
 
 if test x$have_powf = xyes; then
     	AC_DEFINE(HAVE_POWF, [1], [if powf is working here])
@@ -188,14 +153,11 @@ have_sqrtf=no
 AC_TRY_COMPILE([
 #include <math.h>
 ],[
-float i; float f = 2; i = sqrtf (f); 
+float i; float f = 2.0; i = sqrtf (f); i = i + 1.0;
 ],[
 have_sqrtf=yes
 ])
 AC_MSG_RESULT($have_sqrtf)
-if test x$have_sqrtf = xno; then
-	AC_CHECK_LIB(m, sqrtf, have_sqrtf=yes, have_sqrtf=no , )
-fi
 
 if test x$have_sqrtf = xyes; then
     	AC_DEFINE(HAVE_SQRTF, [1], [if sqrtf is working here])
@@ -208,21 +170,37 @@ have_floorf=no
 AC_TRY_COMPILE([
 #include <math.h>
 ],[
-int i; float f; i = floorf (f); 
+int i = 0; float f = 1.0; i = i + floorf (f);
 ],[
 have_floorf=yes
 ])
 AC_MSG_RESULT($have_floorf)
-if test x$have_floorf = xno; then
-	AC_CHECK_LIB(m, floorf, have_floorf=yes, have_floorf=no , )
-fi
+
 if test x$have_floorf = xyes; then
     	AC_DEFINE(HAVE_FLOORF, [1], [if floorf is working here])
 fi
 
 
+
 dnl Checks for Additional stuffs.
+dnl Debug ************************************
+AC_ARG_ENABLE(debug, [  --disable-debug          Disable Debuging ])
+if test x$enable_debug = xno ; then
+	CFLAGS="$CFLAGS"
+else
+	CFLAGS="$CFLAGS -ggdb -O0"
+	LDFLAGS="$LDFLAGS -ggdb"
+	AC_MSG_WARN(Enable Debuging)
+fi
 
+dnl All Warning are Errors ************************
+AC_ARG_ENABLE(werror, [  --disable-werror          Disable Warning as Error Treatment ])
+if test x$enable_werror = xno ; then
+	CFLAGS="$CFLAGS -Wall"
+	AC_MSG_WARN(Disable Warning as Error Treatment)
+else
+	CFLAGS="$CFLAGS -Wall -Werror"
+fi
 
 
 dnl Set PACKAGE SOURCE DIR in config.h.