--- gforth/configure.in	2007/07/05 15:25:30	1.196
+++ gforth/configure.in	2007/12/04 18:57:58	1.198
@@ -795,10 +795,14 @@ AC_PROG_LN_S
 AC_PROG_INSTALL
 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
 
+dnl MacOS X has a libtool that does something else
+AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
+
 dnl Checks for library functions
 dnl This check is just for making later checks link with libm.
 dnl using sin here is no good idea since it is built-into gcc and typechecked
 AC_CHECK_LIB(m,asin)
+AC_CHECK_LIB(ltdl,lt_dlinit)
 AC_CHECK_LIB(dl,dlopen)
 dnl check for libffi 2.x
 AC_CHECK_LIB(ffi,ffi_call)