[FFmpeg-devel] [PATCH]Allow to compile with --disable-optimizations with icc

[Carl Eugen Hoyos]

M?ns Rullg?rd <mans <at> mansr.com> writes:

> Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes:

> > I didn't want to imply there is something to "fix", but that FFmpeg's (build
> > system) behaviour has changed for a (useless) corner case:
> > --disable-optimizations --disable-debug --cc=icc used to compile with -O2,
> > compiles with -O1 now.
> 
> ONE MORE TIME: where did the -O2 come from?

man icc:

       -O[n]

              Specifies the code optimization for applications.

              Architectures: IA-32, Intel? 64, IA-64 architectures

              Default:


              O2                Optimizes  for  code speed. This default
                                may change depending on which other com?
                                piler   options   are   specified.   For
                                details, see below.

Carl Eugen