--- ftgl-2.1.3~rc5/configure.ac
+++ ftgl-2.1.3~rc5/configure.ac
@@ -41,7 +41,7 @@
 
 AC_PATH_X
 
-AC_CHECK_FT2([9.0.3],[],
+PKG_CHECK_MODULES(FT2, freetype2 >= 9.0.3,,
              [AC_MSG_ERROR([FreeType2 is required to compile this library])])
 
 AC_PATH_XTRA