diff options
Diffstat (limited to 'ext/socket/mkconstants.rb')
| -rw-r--r-- | ext/socket/mkconstants.rb | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/ext/socket/mkconstants.rb b/ext/socket/mkconstants.rb index c796cb4870..fe00f30e3d 100644 --- a/ext/socket/mkconstants.rb +++ b/ext/socket/mkconstants.rb @@ -73,11 +73,15 @@ end ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls") % each_const {|guard, make_value, name, default_value| -% if default_value -#ifndef <%=name%> -# define <%=name%> <%=default_value%> +#if !defined(<%=name%>) +# if defined(HAVE_CONST_<%=name.upcase%>) +# define <%=name%> <%=name%> +%if default_value +# else +# define <%=name%> <%=default_value%> +%end +# endif #endif -% end % } EOS |