On Wed, Oct 06, 2010 at 13:55:25 (CEST), Manuel A. Fernandez Montecelo wrote:
Hello,
On Tuesday 05 October 2010 14:58:11 Massimo Di Stefano wrote:
Hello All
i'm an OSG user,
for my study i need to build an app that depends on OSG and FFMPEG
this app needs an uptodate ffmpeg library to build .. so i have to use
ffmpeg from svn.
You can also try the ffmpeg 0.6 package found in debian/experimental.
Unlucky to build my app i can't use the osg .deb packages beacouse i need
to build OSG using this export :
export CXXFLAGS='-D__STDC_CONSTANT_MACROS'
Please, can you tell me if it is possible to add this flag in the
openscenegraph na d openthreads .deb packages ?
It is not clear to me why do you need to compile OSG packages with that flag
enabled, instead of just building your project with that flag enabled. Do
OSG packages really behave different (compile different chunks of code) when
enabling or disabling the flag?
This is a percularity of C++ against FFmpeg, there are system headers
that behave differently when compiled with a C compared to a C++
compiler; in this case, the __STDC_CONSTANT_MACROS flag is set only in
C, which sets some defines that FFmpeg 0.6 relies on. I agree to Massimo
that this is an implementation detail that OSG users should better not
worry about, in this case, I would find it reasonable for OSG to suggest
and provide the proper CXXFLAGS.
BTW, in future ocasions please submit 'whishlist' bug reports to the
appropriate packages, instead of writing private emails.
Yes, this way such discussions can be referenced and are less likely to
become forgotten.
--
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4
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