nobu	2014-11-27 17:10:21 +0900 (Thu, 27 Nov 2014)

  New Revision: 48605

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48605

  Log:
    prelude.c.tmpl: no preludes, no code.
    
    * template/prelude.c.tmpl: no code if no prelude code is given.

  Modified files:
    trunk/ChangeLog
    trunk/template/prelude.c.tmpl
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 48604)
+++ ChangeLog	(revision 48605)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Nov 27 17:10:19 2014  Nobuyoshi Nakada  <nobu@r...>
+
+	* template/prelude.c.tmpl: no code if no prelude code is given.
+
 Thu Nov 27 13:11:00 2014  Koichi Sasada  <ko1@a...>
 
 	* gc.c (objspace_malloc_increase): enable lazy sweep on GC by malloc()
Index: template/prelude.c.tmpl
===================================================================
--- template/prelude.c.tmpl	(revision 48604)
+++ template/prelude.c.tmpl	(revision 48605)
@@ -65,6 +65,7 @@ Prelude.new(output && output[/\w+(?=_pre https://github.com/ruby/ruby/blob/trunk/template/prelude.c.tmpl#L65
 
  sources: <%= @preludes.map {|n,*| prelude_base(n)}.join(', ') %>
 */
+%unless @preludes.empty?
 #include "ruby/ruby.h"
 #include "internal.h"
 #include "vm_core.h"
@@ -80,9 +81,9 @@ static const char prelude_code<%=i%>[] = https://github.com/ruby/ruby/blob/trunk/template/prelude.c.tmpl#L81
 ;
 % }
 
-#define PRELUDE_COUNT <%=@have_sublib ? preludes.size : 0%>
-
 % if @have_sublib
+#define PRELUDE_COUNT <%=preludes.size%>
+
 struct prelude_env {
     volatile VALUE prefix_path;
 #if PRELUDE_COUNT > 0
@@ -134,9 +135,11 @@ prelude_require(VALUE self, VALUE nth) https://github.com/ruby/ruby/blob/trunk/template/prelude.c.tmpl#L135
 }
 
 % end
+%end
 void
 Init_<%=@init_name%>(void)
 {
+%unless @preludes.empty?
 % if @have_sublib
     struct prelude_env memo;
     ID name = rb_intern("TMP_RUBY_PREFIX");
@@ -166,5 +169,6 @@ Init_<%=@init_name%>(void) https://github.com/ruby/ruby/blob/trunk/template/prelude.c.tmpl#L169
     puts(prelude_code<%=i%>);
 % }
 #endif
+%end
 }
 <%end -%>

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