[FFmpeg-user] Static compile with embeded 3rd party libraries.

[Thomas Worth]

On Thu, Aug 25, 2011 at 9:28 AM, Tim Nicholson <tim.nicholson at bbc.co.uk> wrote:
> Having been building ffmpeg statically for a while to avoid conflicts with
> distro versions by using:-
>
> "... --enable-static --disable-shared ..."
>
> I want to go one step further and end up with a portable executable that
> also includes all the third party libs such as lame faac etc. Googling
> around suggests adding in:-
>
> "--extra-libs=-static --extra-cflags=--static"
>
> However when I do this configure fails with an error saying it cannot find
> the third party libs.

I've found that I don't need --extra-libs=-static or
--extra-cflags=--static if compiling third-party libs with
--disable-shared. Since a .dylib (Mac OS X) is not generated, gcc by
default compiles statically with the .a version of the library.

I have to give the path to the library for this to work, which
sometimes is put in a hidden directory. Here's an example:

$ cd /libfaac
$ ./configure --enable-static --enable-shared=no --without-mp4v2
--build=x86_64-apple-darwin10
$ make

This compiles and puts libfaac.a in /libfaac/.libs/libfaac.a (yes,
that's a dot in front of libs)

Since I don't do "make install," I must specify the absolute path to
the lib in ffmpeg's configure line:

$ cd /ffmpeg
$ ./configure $CONFIG_STUFF --extra-cflags=-I/libfaac/include
--extra-ldflags=-L/libfaac/.libs
$ make

That should generate a static binary that includes libfaac.


>
> "gcc -o /tmp/ffconf.kNbWfR0S /tmp/ffconf.htm52E9X.o -lfaac -lm -pthread
> -static
> /usr/lib64/gcc/x86_64-suse-linux/4.5/../../../../x86_64-suse-linux/bin/ld:
> cannot find -lfaac
> collect2: ld returned 1 exit status
> ERROR: libfaac not found"
>
> I am obviously missing a bit, as it links to them fine without the extra two
> options. Can anyone assist in pointing me in the right direction?
>
> --
> Tim
>
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