Re: Typelib fails to compile using Ruby 1.9.2

Using Ruby 1.9.3 I get the following error:

[ 81%] Building CXX object
bindings/ruby/CMakeFiles/typelib_ruby.dir/ext/memory.o
/Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:45:5:
error: cannot
      initialize a member subobject of type 'int (*)()' with an rvalue of
type 'int (*)(...)'
    (int (*)(...))memory_table_compare,
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:46:5:
error: cannot
      initialize a member subobject of type 'int (*)()' with an rvalue of
type 'st_index_t (*)(...)':
      different return type ('int' vs 'st_index_t' (aka 'long'))
    (st_index_t (*)(...))memory_table_hash
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.

Ruben


On Wed, Sep 11, 2013 at 11:50 AM, Ruben Smits
<[email protected]>wrote:

> Hi,
>
> I'm using Ruby 1.9.2 and when I compile typelib master (using clang on OSX
> 10.8) I get the following error:
>
> [ 72%] Building CXX object
> bindings/ruby/CMakeFiles/typelib_ruby.dir/ext/memory.o
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:35:8:
> error: unknown type
>       name 'st_index_t'
> static st_index_t memory_table_hash(void* a)
>        ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:39:13:
> error: use of
>       undeclared identifier 'st_index_t'
>     return (st_index_t)a;
>             ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:45:19:
> error: expected
>       expression
>     (st_index_t (*)(...))memory_table_hash
>                   ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:45:21:
> error: expected
>       expression
>     (st_index_t (*)(...))memory_table_hash
>                     ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:43:28:
> error: variable has
>       incomplete type 'struct st_hash_type'
> static struct st_hash_type memory_table_type = {
>                            ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:43:15:
> note: forward
>       declaration of 'st_hash_type'
> static struct st_hash_type memory_table_type = {
>               ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:119:33:
> error: use of
>       undeclared identifier 'st_data_t'
>     if (st_lookup(MemoryTable, (st_data_t)ptr, (st_data_t*)&entry))
>                                 ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:146:34:
> error: use of
>       undeclared identifier 'st_data_t'
>     if (!st_lookup(MemoryTable, (st_data_t)ptr, (st_data_t*)&entry))
>                                  ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:160:33:
> error: use of
>       undeclared identifier 'st_data_t'
>         st_delete(MemoryTable, (st_data_t*)&ptr, 0);
>                                 ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:160:43:
> error: expected
>       expression
>         st_delete(MemoryTable, (st_data_t*)&ptr, 0);
>                                           ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:200:34:
> error: use of
>       undeclared identifier 'st_data_t'
>     if (!st_lookup(MemoryTable, (st_data_t)ptr, (st_data_t*)&entry)) {
>                                  ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:221:33:
> error: use of
>       undeclared identifier 'st_data_t'
>         st_insert(MemoryTable, (st_data_t)ptr, (st_data_t)entry);
>                                 ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:226:42:
> error: use of
>       undeclared identifier 'st_data_t'
>             if (!st_lookup(MemoryTable, (st_data_t)root_ptr,
> (st_data_t*)&root_entry))
>                                          ^
> /Users/vm/orocos_ws/src/orocos_toolchain/typelib/bindings/ruby/ext/memory.cc:369:31:
> error: member access
>       into incomplete type 'st_table'
>     return INT2NUM(MemoryTable->num_entries);
>                               ^
> /System/Library/Frameworks/Ruby.framework/Headers/ruby.h:147:32: note:
> expanded from macro 'INT2NUM'
> #define INT2NUM(v) rb_int2inum(v)
>                                ^
> /System/Library/Frameworks/Ruby.framework/Headers/ruby.h:335:12: note:
> forward declaration of 'st_table'
>     struct st_table *iv_tbl;
>
> Ruben
>
> --
> Ruben Smits, Phd
> Chief Technology Officer
> Intermodalics BVBA
> +32479511786
> www.intermodalics.eu
>



-- 
Ruben Smits, Phd
Chief Technology Officer
Intermodalics BVBA
+32479511786
www.intermodalics.eu

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