# AC_LTDL_DLLIB

# -------------

AC_DEFUN([AC_LTDL_DLLIB],

[LIBADD_DL=

AC_SUBST(LIBADD_DL)

AC_CHECK_FUNC([shl_load],

      [AC_DEFINE([HAVE_SHL_LOAD], [1],

		 [Define if you have the shl_load function.])],

  [AC_CHECK_LIB([dld], [shl_load],

	[AC_DEFINE([HAVE_SHL_LOAD], [1],

		   [Define if you have the shl_load function.])

	LIBADD_DL="$LIBADD_DL -ldld"],

    [AC_CHECK_LIB([dl], [dlopen],

	  [AC_DEFINE([HAVE_LIBDL], [1],

		     [Define if you have the libdl library or equivalent.])

	  LIBADD_DL="-ldl"],

      [AC_TRY_LINK([#if HAVE_DLFCN_H

#  include <dlfcn.h>

#endif

      ],

	[dlopen(0, 0);],

	    [AC_DEFINE([HAVE_LIBDL], [1],

		       [Define if you have the libdl library or equivalent.])],

	[AC_CHECK_LIB([svld], [dlopen],

	      [AC_DEFINE([HAVE_LIBDL], [1],

			 [Define if you have the libdl library or equivalent.])

	      LIBADD_DL="-lsvld"],

	  [AC_CHECK_LIB([dld], [dld_link],

	        [AC_DEFINE([HAVE_DLD], [1],

			   [Define if you have the GNU dld library.])

	 	LIBADD_DL="$LIBADD_DL -ldld"

          ])

        ])

      ])

    ])

  ])

])

if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then

 LIBS_SAVE="$LIBS"

 LIBS="$LIBS $LIBADD_DL"

 AC_CHECK_FUNCS(dlerror)

 LIBS="$LIBS_SAVE"

fi

])# AC_LTDL_DLLIB