[FFmpeg-devel] [PATCH] Allow setting mode MONO in libmp3lame if the library is greater than 3.97

[Måns Rullgård]

Tomas H?rdin <tomas.hardin at codemill.se> writes:

>> > ok, but this needs a configure check to make sure lame is not too old
>> >
>> >
>> I look at the ffmpeg configure, and i was thinking to use
>> check_cpp_condition, however lame does include their version in the lame.h.
>> The only way to get their version is to call some of their function which
>> return a char*.
>> 
>> so not sure how to do the check in the configure unless adding another
>> function specific to lame verification checking.
>> 
>> Any idea? suggestion?
>
> Couldn't you have configure create a small programs that prints that
> string, run it and parse and test the version number from the output?

No, that would fail when cross-compiling.

-- 
M?ns Rullg?rd
mans at mansr.com