-AS_IF([test "x$enable_shared" = xyes],
- [AX_CHECK_LIBRARY([DL],[dlfcn.h],[dl],
- [AC_DEFINE([HAVE_LIBDL],[1],[Have dlopen])
- AC_CHECK_LIB([dl],[dlopen],[AC_DEFINE([HAVE_DLOPEN],[1],[Have dlopen])])
- AC_CHECK_LIB([dl],[dladdr],[AC_DEFINE([HAVE_DLADDR],[1],[Have dladdr])])])
- ])