[flext] error while compiling parch PD

[alessandro mason]

IT works!! :-D

2011/5/12 alessandro mason <mason.alessandro.pec at gmail.com>

> ok! thanks
>
>
> 2011/5/12 Thomas Grill <gr at grrrr.org>
>
>> Hi Alessandro,
>> there are two existing build system for flext-based externals that have
>> been used successfully in the past. The flext build system (described in
>> readme.txt and build.txt) and the newer autoconf-based system. My suggestion
>> would be to try those first before using Codeblocks or other untested
>> systems.
>> gr~~~
>>
>> Am 12.05.2011 um 15:29 schrieb alessandro mason:
>>
>> I've tried to ling dll library, to make the suggested corrections, but
>> nothing changes.
>> So, i've implemented the external under Linux/Debian with codeblocks and I
>> compile the file with no errors.
>> I've changed the extention of the created library from .so to .pd_linux
>> and i've load the external in PD. But the PD console shows this error:
>> ./libplus.pd_linux: ./libplus.pd_linux: undefined symbol:
>> _ZN17flext_base_single4InitEv
>>
>> What can I do?
>>
>> PS. Sorry for my English :-D
>>
>> 2011/5/12 Thomas Grill <gr at grrrr.org>
>>
>>> Hi,
>>> if i remember correctly, compilation in shared mode under Windows
>>> requires linkage to flext-pd.dll, not to the static library.
>>> I would also suggest to set FLEXT_SHARED and FLEXT_USE_CMEM macros with
>>> the compiler (or the Codeblocks environment) and not in the source code,
>>> since those settings must be uniform in a project (e.g. with multiple source
>>> files).
>>> gr~~~
>>>
>>> Am 12.05.2011 um 12:27 schrieb alessandro mason:
>>>
>>> I'm sorry.
>>>
>>> I use Codeblocks with MinGW  under WINDOWS for write and compile the
>>> code. I link the library flext-pd.lib and set the directories for headers
>>> files and I've add the flag FLEXT_SYS=2.
>>>
>>> Alessandro
>>>
>>> 2011/5/12 Thomas Grill <gr at grrrr.org>
>>>
>>>> Hi Alessandro,
>>>> it would be most useful to know how you compile your code.
>>>> gr~~~
>>>>
>>>> Am 12.05.2011 um 12:01 schrieb alessandro mason:
>>>>
>>>>  Hi,
>>>>> I'm trying to implement this external for pd:
>>>>> #define FLEXT_SHARED 1
>>>>> #define FLEXT_USE_CMEM 1
>>>>> // include flext header
>>>>> #include <flext.h>
>>>>> // check for appropriate flext version
>>>>> #if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 401)
>>>>> #error You need at least flext version 0.4.1
>>>>> #endif
>>>>>
>>>>> class plus: public flext_base
>>>>> {
>>>>> FLEXT_HEADER(plus,flext_base)
>>>>>
>>>>> float f1,f2;
>>>>>
>>>>> plus(float f): f1(0), f2(f) //costructor#
>>>>> {
>>>>>    AddInAnything("Bang or Number");
>>>>>    AddInFloat("Argument");
>>>>>    AddOutFloat("Result");
>>>>>
>>>>>    FLEXT_ADDBANG(0, m_bang);  // add methods
>>>>>    FLEXT_ADDMETHOD(0,m_float);
>>>>>    FLEXT_ADDMETHOD(1,m_arg);
>>>>> }
>>>>>
>>>>> inline void m_bang() {ToOutFloat(0,f1+f2);}
>>>>> inline void m_float(float f) {ToOutFloat(0,(f1=f)+f2);}
>>>>> inline void m_arg(float f) {f2=f;}
>>>>>
>>>>> FLEXT_CALLBACK(m_bang);  //callback wrappers
>>>>> FLEXT_CALLBACK_F(m_float);
>>>>> FLEXT_CALLBACK_F(m_arg);
>>>>>
>>>>> };
>>>>> FLEXT_NEW_1("plus",plus,float0) // set up class
>>>>>
>>>>>
>>>>> When I compile the file occours a lot of errors like this:
>>>>>
>>>>> obj\Release\main.o:main.cpp|| undefined reference to
>>>>> `flext_obj_shared::obj_add(bool, bool, bool, bool, char const*, char const*,
>>>>> void (*)(flext_class*), flext_obj_shared* (*)(int, _atom*), void
>>>>> (*)(flext_hdr*), int, ...)'|.
>>>>>
>>>>> How can I resolve this problem? Thanks
>>>>>
>>>>> Mason Alessandro
>>>>> _______________________________________________
>>>>> http://grrrr.org/ext/flext
>>>>>
>>>>> flext mailing list
>>>>> flext at grrrr.org
>>>>> http://grrrr.org/cgi-bin/mailman/listinfo/flext
>>>>>
>>>>
>>>> --
>>>> Thomas Grill
>>>> http://grrrr.org
>>>> +43 699 19715543
>>>>
>>>>
>>>>
>>>>
>>>
>>>    --
>>> Thomas Grill
>>> http://grrrr.org
>>> +43 699 19715543
>>>
>>>
>>>
>>>
>>
>>    --
>> Thomas Grill
>> http://grrrr.org
>> +43 699 19715543
>>
>>
>>
>>
>
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