+AC_CHECK_FUNCS([fopencookie funopen gettext isinf memmem snprintf vsnprintf])
+AC_CHECK_HEADERS([utf8/wchar.h], LIBS="$LIBS -lutf8")
+
+STEPMAKE_PROGS(PKG_CONFIG, pkg-config, REQUIRED, 0.9.0)
+if test "$gui_b" = "yes"; then
+ STEPMAKE_GTK2(gtk+-2.0, REQUIRED, 2.4.0)
+else
+ STEPMAKE_GTK2(gtk+-2.0, OPTIONAL, 2.4.0)
+fi
+
+STEPMAKE_FREETYPE2(freetype2, REQUIRED, 0)
+#STEPMAKE_PANGO(pango, REQUIRED, 1.6.0)
+STEPMAKE_PANGO_FT2(pangoft2, REQUIRED, 1.6.0)
+STEPMAKE_FONTCONFIG(fontconfig, OPTIONAL, 2.2.0)