[FFmpeg-devel] [PATCH]Enable pic on OSX for x86_64

[Carl Eugen Hoyos]

Michael Niedermayer <michaelni <at> gmx.at> writes:

> > -        enabled x86_64 && objformat="macho64"
> > +        enabled x86_64 && objformat="macho64" && enable pic
> >          enabled_any pic shared ||
> 
> can you explain what fails without this ?
> 
> this:
> check_cpp_condition stdlib.h "defined(__PIC__) || 
> defined(__pic__) || defined(PIC)" && enable_weak pic
> 
> should set pic i think

__PIC__ is not defined because of -mdynamic-no-pic 
that gets added earlier to the icc cfags.
The others are never set.

I believe that clang ignores -mdynamic-no-pic if 
-DPIC is set while icc fails for "-mdynamic-no-pic 
-DPIC".

Carl Eugen