--- guile-1.9.14/configure.ac~	2011-01-27 18:33:17.300003072 +0100
+++ guile-1.9.14/configure.ac	2011-01-27 19:29:42.191669551 +0100
@@ -76,11 +76,7 @@ AC_LIBTOOL_DLOPEN
 AC_PROG_LIBTOOL
 
 dnl Check for libltdl.
-AC_LIB_HAVE_LINKFLAGS([ltdl], [], [#include <ltdl.h>],
-  [lt_dlopenext ("foo");])
-if test "x$HAVE_LIBLTDL" != "xyes"; then
-  AC_MSG_ERROR([GNU libltdl (Libtool) not found, see README.])
-fi
+AC_CHECK_LIB(ltdl, lt_dlopenext, [HAVE_LIBLTDL=yes AC_SUBST(HAVE_LIBLTDL) LTLIBLTDL="-lltdl" AC_SUBST(LTLIBLTDL)])
 
 AC_CHECK_PROG(have_makeinfo, makeinfo, yes, no)
 AM_CONDITIONAL(HAVE_MAKEINFO, test "$have_makeinfo" = yes)
@@ -854,10 +850,7 @@ fi
 
 
 dnl GMP tests
-AC_LIB_HAVE_LINKFLAGS([gmp],
-  [],
-  [#include <gmp.h>],
-  [mpz_import (0, 0, 0, 0, 0, 0, 0);])
+AC_CHECK_LIB(gmp, main, [HAVE_LIBGMP=yes AC_SUBST(HAVE_LIBGMP) LTLIBGMP="-lgmp" AC_SUBST(LTLIBGMP)])
 
 if test "x$HAVE_LIBGMP" != "xyes"; then
   AC_MSG_ERROR([GNU MP 4.1 or greater not found, see README])