2 Allows wrapping a broken system header in a gnulib replacement.
12 # Use this preprocessor expression to decide whether #include_next works.
13 # Do not rely on a 'configure'-time test for this, since the expression
14 # might appear in an installed header, which is used by some other compiler.
15 HAVE_INCLUDE_NEXT = (__GNUC__ || __clang__ || 60000000 <= __DECC_VER)