C API changed in Ruby 2.2:
rb_num2long now returns a long instead of SIGNED_VALUE and
rb_num2ulong returns an unsigned long instead of VALUE.
As a consequence Vim fails to compile (tried to build a version with dynamic
Ruby; MinGW x64 under Windows) with the following errors:
if_ruby.c:399:14: error: conflicting types for 'rb_num2long_stub'
SIGNED_VALUE rb_num2long_stub(VALUE x)
^
if_ruby.c:87:22: note: previous declaration of 'rb_num2long_stub' was here
# define rb_num2long rb_num2long_stub
^
c:/Ruby22/include/ruby-2.2.0/ruby/ruby.h:608:6: note: in expansion of macro
'rb_num2long'
long rb_num2long(VALUE);
^
if_ruby.c:424:7: error: conflicting types for 'rb_num2ulong'
VALUE rb_num2ulong(VALUE x)
^
In file included from c:/Ruby22/include/ruby-2.2.0/ruby.h:33:0,
from if_ruby.c:109:
c:/Ruby22/include/ruby-2.2.0/ruby/ruby.h:609:15: note: previous declaration of
'rb_num2ulong' was here
unsigned long rb_num2ulong(VALUE);
^
Here's the patch I used as a workaround:
diff -r 9ae4737fc48f src/if_ruby.c
--- a/src/if_ruby.c Fri Apr 03 17:59:43 2015 +0200
+++ b/src/if_ruby.c Sun Apr 05 07:03:40 2015 +0200
@@ -396,7 +396,11 @@
# endif
# if defined(RUBY19_OR_LATER) && !defined(PROTO)
+# if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 22
+long rb_num2long_stub(VALUE x)
+# else
SIGNED_VALUE rb_num2long_stub(VALUE x)
+# endif
{
return dll_rb_num2long(x);
}
@@ -421,7 +425,11 @@
{
return dll_rb_float_new(d);
}
+# if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 22
+unsigned long rb_num2ulong(VALUE x)
+# else
VALUE rb_num2ulong(VALUE x)
+# endif
{
return (long)RSHIFT((SIGNED_VALUE)(x),1);
}
--
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