Re: [SoX-users] SoX 14.0.1 Released

[Neil M. <nei...@ya...>]

Hi D.S.


D. S. wrote:
> 
> In Cygwin, compiles ok with
> 
>   ./configure --enable-oss-dsp --with-sndfile --with-samplerate \
>   --without-libltdl --disable-dependency-tracking --disable-shared
> --without-ffmpeg
> 
> But I wanted to monkey with ladspa, so I tried,
> 
>   ./configure --enable-oss-dsp --with-sndfile --with-samplerate
> --with-ladspa \
>   --without-libltdl --disable-dependency-tracking --disable-shared
> --without-ffmpeg
> 
> ==>
> 
> Debugging build................... no
> . . .
> . . .
> LADSPA effects.................... no
> Secret Rabbit Code resampling..... yes
> 
> Still no ladspa, so in soxconfig.h, I manually set HAVE_LADSPA_H ...
> #define HAVE_LADSPA_H 1
> 
> in src/Makefile, added  /usr/lib/libltdl.a  to get sox.exe etc to link.
> 
> ....
> Voila!
> 

A couple of questions please:

1. The SoX makefile is a little more complex than I'm used to dealing with
;-!
What was the approx line # where you added  the reference
to libltdl.a.  1.a. (libltdl.a ?! Not ladspa something?)

2. I'm on a quest to install SoX with as many codecs and filters as I can
figure out.
I have build installed and built
 /usr/local/src/ladspa_sdk/ladspa_sdk
and have .../plugins/{amp,noise,filter,sine}.so
Is that right?
I assume I'll need to add CPFLAGS=/usr/local/...ladspa_sdk/plugins
LDFLAGS=..ditto...

3. I'm surprized that your specifically listed
--with-samplerate --with-ladspa AND --without-libltdl 
I understood that libltdl would find installed codecs and filters?

4. I am building under RedHat using wget to grab the various tar-balls. 
You are using Cygwin. Will that make a difference?


I don't mean to make this your problem. If you can reply, thanks very much,
if not, I understand!


Thanks for any info

Neil M

P.S.
 I had previously posted about building from RPMs. I am now just downloading
source code tar balls and going from there. Getting almost there! Thanks!
I hope to post a follow-up about building SoX from source for the audio
newbie.
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