[FFmpeg-user] how to build ffmpeg into one static program without any dependent dynamic library

[Moritz Barsnick]

Hi qw,

On Wed, Jul 04, 2018 at 18:52:06 +0800, qw wrote:
> ./configure --disable-ffplay --disable-indev=sndio --disable-outdev=sndio \
> --enable-version3 --enable-asm --enable-x86asm --enable-avfilter \
> --enable-static --disable-shared --enable-gpl --enable-nonfree --prefix=/usr/local/ \
> --enable-stripping
[...]
> ldd /usr/local/bin/ffmpeg 
> linux-vdso.so.1 =>  (0x00007ffee27f4000)
> libm.so.6 => /lib64/libm.so.6 (0x00007f8504516000)
> libxcb.so.1 => /lib64/libxcb.so.1 (0x00007f85042ed000)
> libxcb-shm.so.0 => /lib64/libxcb-shm.so.0 (0x00007f85040e9000)
> libxcb-shape.so.0 => /lib64/libxcb-shape.so.0 (0x00007f8503ee5000)
> libxcb-xfixes.so.0 => /lib64/libxcb-xfixes.so.0 (0x00007f8503cdc000)
> libasound.so.2 => /lib64/libasound.so.2 (0x00007f85039de000)
> libva.so.2 => /lib64/libva.so.2 (0x00007f85037bc000)
> libgomp.so.1 => /lib64/libgomp.so.1 (0x00007f8503595000)
> libdl.so.2 => /lib64/libdl.so.2 (0x00007f8503391000)
> libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f8503089000)
> librt.so.1 => /lib64/librt.so.1 (0x00007f8502e80000)
> libva-drm.so.2 => /lib64/libva-drm.so.2 (0x00007f8502c7d000)
> libz.so.1 => /lib64/libz.so.1 (0x00007f8502a67000)
> liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f8502840000)
> libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f8502624000)
> libva-x11.so.2 => /lib64/libva-x11.so.2 (0x00007f850241e000)
> libX11.so.6 => /lib64/libX11.so.6 (0x00007f85020df000)
> libnuma.so.1 => /lib64/libnuma.so.1 (0x00007f8501ed3000)
> libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f8501cbd000)
> libc.so.6 => /lib64/libc.so.6 (0x00007f85018f9000)
> /lib64/ld-linux-x86-64.so.2 (0x00005629c1296000)
> libXau.so.6 => /lib64/libXau.so.6 (0x00007f85016f5000)
> libdrm.so.2 => /lib64/libdrm.so.2 (0x00007f85014e5000)
> libXext.so.6 => /lib64/libXext.so.6 (0x00007f85012d3000)
> libXfixes.so.3 => /lib64/libXfixes.so.3 (0x00007f85010cd000)
> 
> 
> There are lots of system dynamic libraries for my ffmpeg.
> How to build static ffmepg without any dependent dynamic library?

All those dynamic/shared dependant libraries you see above: You need to
provide static versions of them when linking ffmpeg. Those are the ones
named "*.a" If your system is built up from some distribution or
package manager (such as Linux Ubuntu or the likes), you need to find
those static library packages. If that system/distribution does not
provide them, you actually need to build them yourself. (There do exist
peculiar tricks to convert shared libraries to static ones, but I'm
certain that's not stable.)

Ubuntu (and probably Debian) seems to provide those static libraries in
their "-dev" packages. Fedora, to my knowledge, does not give you any
chance to get the static versions, with few exceptions (which usually
land in a "lib*-static" package).

Do you not have the possibility for your target system (where ffmpeg is
supposed to run) to provide these libraries?

Cheers,
Moritz