[PD] Having trouble getting my external to work

[Hans-Christoph Steiner]

There is no need to write your own build system, use the Library  
Template, it'll then build on GNU/Linux, Mac OS X, Windows, Android,  
etc.

http://puredata.info/docs/developer/LibraryTemplate

.hc

On Sep 10, 2011, at 5:45 PM, Martin Peach wrote:

> It should be -export-dynamic, not -export_dynamic.
>
> Martin
>
>
> On 2011-09-10 17:34, Rick T wrote:
>> Greetings All
>>
>> I'm having trouble getting my external to work, It compiles with no
>> errors and has 1 warning when I do a make but it completes
>> successfully see warning below.
>>
>> cc -export_dynamic -shared  -lc -lm -DPD -O2 -funroll-loops
>> -fomit-frame-pointer -fPIC -Wall -W -Wshadow -Wstrict-prototypes - 
>> Werror
>> -Wno-unused -Wno-parentheses -Wno-switch -I../../../../pd/src -o
>> sineq.pd_linux sineq.c
>> /usr/bin/ld: warning: cannot find entry symbol xport_dynamic;  
>> defaulting
>> to 0000000000000980
>> strip --strip-unneeded sineq.pd_linux
>> make[1]: Leaving directory `/home/rat/Documents/pd/code'
>> Compilation finished successfully.
>>
>> I copy over the sineq.pd_linux to the pd-externals directory but  
>> when I
>> try and add the external in PD it says "couldn't create" on the main
>> console screen.
>>
>> Here's a link to the workflow of my thinking and what I'm trying to  
>> do,
>> notice I have 4 float inputs and 1 signal output
>> http://dl.dropbox.com/u/6576402/questions/pd/Sine_EQ_Diagram.jpg
>>
>> Link to code: (Pastebin)
>> http://pastebin.com/wW9H4pWY
>>
>> Link to makefile (pastebin)
>> http://pastebin.com/z9aTYVNY
>>
>> My external is a reproduction of the sinewave equation with 4 inputs
>> that are floats and one output signal my logic is to have 4 inlets  
>> one
>> for the frequency,amplitude,phase and vertical offset and an output  
>> for
>> the created signal.  Granted this isn't the final equation but this  
>> will
>> help me understand how to create the full equation once done.   If  
>> you
>> want to see the full equation I'll be using here's a link to it  
>> below.
>> http://dl.dropbox.com/u/6576402/questions/eq1.txt
>>
>> Basically it's a 1 second periodic signal with the sample rate at  
>> 44100
>> which the equation gives me control over the  
>> frequency,amplitude,phase
>> and vertical offset, which will be controlled by a usb midi  
>> controller.
>>
>> Another question I have is what do I use for the t (time) for my  
>> final
>> equation is that the t_sample object in PD?  or do I need to create a
>> for loop counting from 1-44100 for a 1 second 44100 sampled equation?
>> like this link uses
>> http://www.daniweb.com/software-development/c/threads/354944
>>
>>
>>
>> PS: I'm compiling on ubuntu 10.04 using gcc
>> Sorry for the link / information overload.  After going over the
>> d_osc.c, bassemu.c and the pan~ tutorial I'm a little stuck and not  
>> sure
>> what's causing the issue.
>>
>> Aloha
>> Rick
>>
>>
>>
>>
>>
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>
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