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# 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
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