[FFmpeg-devel] cmdutils.c

[Rich Felker]

On Fri, Feb 29, 2008 at 11:30:01AM -0800, Frank Liu wrote:
> I am compiling today's ffmpeg svn on Solaris 10 Sparc and got the below errors:
> 
> cmdutils.c: In function 'parse_options':
> cmdutils.c:131: error: 'INFINITY' undeclared (first use in this function)
> cmdutils.c:131: error: (Each undeclared identifier is reported only once
> cmdutils.c:131: error: for each function it appears in.)
> gmake: *** [cmdutils.o] Error 1
> 
> 
> I searched the source tree and cut/paste the below code from ffmpeg.c:
> #if !defined(INFINITY) && defined(HUGE_VAL)
> #define INFINITY HUGE_VAL
> #endif
> and now cmdutils.c compiles fine.

Just write a constant 1.0/0.0 for infinity... This is just as good as
'INFINITY' unless you care about floating point exception state, which
ffmpeg and its libs do not use.

Rich