function if any of the following is missing: fchown, lstat, readlink.
From Richard Dawe.
AC_REQUIRE([jm_AC_DOS])
AC_REQUIRE([AC_FUNC_CANONICALIZE_FILE_NAME])
+ # If any of these functions don't exist (e.g. DJGPP 2.03),
+ # use the corresponding stub.
+ AC_CHECK_FUNC([fchown], , [AC_LIBOBJ(fchown-stub)])
+ AC_CHECK_FUNC([lstat], , [AC_LIBOBJ(lstat-stub)])
+ AC_CHECK_FUNC([readlink], , [AC_LIBOBJ(readlink-stub)])
+
])
# These tests must be run before any use of AC_CHECK_TYPE,