--- a/configure.ac
+++ b/configure.ac
@@ -97,8 +97,8 @@
 
 dnl Checks which levels of APIs should be compiled.
 
-AC_ARG_ENABLE(gui,
-	      AS_HELP_STRING([--enable-gui],[enable GUI level APIs (default is YES)]))
+AC_ARG_WITH(gui,
+	      AS_HELP_STRING([--with-gui],[enable GUI level APIs (default is YES)]))
 
 AM_CONDITIONAL(WITH_GUI, test x$with_gui != xno)
 
@@ -125,7 +125,9 @@
   X11_LD_FLAGS="-lXt -lX11"
   M17N_EXT_LIBS="$M17N_EXT_LIBS X11"
 
-  if test "x$HAVE_XAW" = "xyes"; then
+  AC_ARG_WITH(athena, 
+	    AS_HELP_STRING([--with-athena],[with MIT Athena widget suport]))
+  if test "x$with_athena" != "xno" -a "x$HAVE_XAW" = "xyes"; then
     AC_DEFINE(HAVE_X11_XAW_COMMAND_H, 1,
 	      [Define to 1 if you have the Xaw header files.])
     XAW_LD_FLAGS="-lXaw -lXmu"
@@ -149,7 +151,9 @@
 fi
 AC_CHECK_LIB(fribidi, fribidi_set_mirroring, HAVE_FRIBIDI=yes, HAVE_FRIBIDI=no)
 AC_CHECK_HEADER(fribidi/fribidi.h,, HAVE_FRIBIDI=no)
-if test "x$HAVE_FRIBIDI" = "xyes"; then
+AC_ARG_WITH(fribidi, 
+	    AS_HELP_STRING([--with-fribidi],[with fribidi suport]))
+if test "x$with_fribidi" != "xno" -a "x$HAVE_FRIBIDI" = "xyes"; then
   AC_DEFINE(HAVE_FRIBIDI, 1, 
 	    [Define to 1 if you have Fribidi library and header file.])
   M17N_EXT_LIBS="$M17N_EXT_LIBS fribidi"
@@ -202,8 +206,10 @@
 AC_SUBST(OTF_LD_FLAGS)
 
 dnl Check for Freetype2 usability.
+AC_ARG_WITH(freetype,
+	    AS_HELP_STRING([--with-freetype],[enable Freetype support]))
 AC_CHECK_PROG(HAVE_FREETYPE_CONFIG, freetype-config, yes)
-if test "x$HAVE_FREETYPE_CONFIG" = "xyes"; then
+if test "x$with_freetype" != "xno" -a "x$HAVE_FREETYPE_CONFIG" = "xyes"; then
   FREETYPE_INC=`freetype-config --cflags`
   save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="$CPPFLAGS $FREETYPE_INC"
@@ -255,7 +261,9 @@
 #else
 Version too old.  Compiling this line should fail.
 #endif])
-if test "x$HAVE_XFT2" = "xyes"; then
+AC_ARG_WITH(xft,
+	    AS_HELP_STRING([--with-xft],[enable Xft2 support]))
+if test "x$with_xft" != "xno" -a "x$HAVE_XFT2" = "xyes"; then
   AC_DEFINE(HAVE_XFT2, 1,
 	    [Define to 1 if you have Xft2 library and header file.])
   M17N_EXT_LIBS="$M17N_EXT_LIBS xft2"
@@ -330,7 +338,9 @@
 fi
 AC_CHECK_LIB(xml2, xmlParseMemory, HAVE_XML2=yes, HAVE_XML2=no)
 AC_CHECK_HEADER(libxml/tree.h,, HAVE_XML2=no, /**/)
-if test "x$HAVE_XML2" = "xyes"; then
+AC_ARG_WITH(libxml2, 
+	    AS_HELP_STRING([--with-libxml2],[with libxml2 suport]))
+if test "x$with_libxml2" != "xno" -a "x$HAVE_XML2" = "xyes"; then
   AC_DEFINE(HAVE_XML2, 1,
 	    [Define to 1 if you have libxml2 library and header file])
   M17N_EXT_LIBS="$M17N_EXT_LIBS xml2"
@@ -344,7 +354,9 @@
 dnl Check for Anthy usability.
 
 PKG_CHECK_MODULES(ANTHY, anthy, HAVE_ANTHY=yes, HAVE_ANTHY=no)
-if test "x$HAVE_ANTHY" = "xyes"; then
+AC_ARG_WITH(anthy, 
+	    AS_HELP_STRING([--with-anthy],[with anthy suport]))
+if test "x$with_anthy" != "xno" -a "x$HAVE_ANTHY" = "xyes"; then
   AC_DEFINE(HAVE_ANTHY, 1,
 	   [Define to 1 if you have Anthy library and header file])
   M17N_EXT_LIBS="$M17N_EXT_LIBS anthy"
@@ -355,7 +367,9 @@
 
 dnl Check for Ispell usability.
 AC_CHECK_PROG(HAVE_ISPELL, ispell, yes)
-if test "x$HAVE_ISPELL" = "xyes"; then
+AC_ARG_WITH(ispell, 
+	    AS_HELP_STRING([--with-ispell],[with ispell suport]))
+if test "x$with_ispell" != "xno" -a "x$HAVE_ISPELL" = "xyes"; then
   AC_DEFINE(HAVE_ISPELL, 1, [Define if ispell is available.])
   M17N_EXT_LIBS="$M17N_EXT_LIBS ispell"
   CONFIG_FLAGS="$CONFIG_FLAGS -DHAVE_ISPELL"