[FFmpeg-user] Installing ffmpeg from source, missing libs

Moritz Barsnick barsnick at gmx.net
Tue Oct 16 14:50:39 EEST 2018

On Tue, Oct 16, 2018 at 12:03:51 +0200, paweg wrote:
> I'm trying to install ffmpeg from source using this guide https://trac.ffmpeg.org/wiki/CompilationGuide/Centos. Getting error in configure
> ERROR: freetype2 not found
> manually in command line:
> $pkg-config --exists freetype2 || echo 'no lib'
> gives me nothing, so it exists. And also:
> $pkg-config --cflags freetype2 -I/usr/include/freetype2 $rpm -q freetype freetype-2.4.2-7.fc14.x86_64 freetype-2.4.2-7.fc14.i686
> It seems like the configure script doesn't pass this pkg-config --exists command.

It should. It calls:

$ test_cmd $pkg_config --exists --print-errors $pkg_version || return

in test_pkg_config(), which is called from check_pkg_config(), which
is called from require_pkg_config(), which is called from:

$ require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

But it also checks the availability of the function FT_Init_FreeType()
in the given headers. Perhaps part of that doesn't work in your

> Could it be wrong freetype version? How do I check the reason of such
> error? I've also tried ffmpeg version 3.1.11, where there is a
> special case for libfreetype check in ffmpeg configure. I'm on some
> previous Fedora version.

Can you show us the first ~2 and the last ~50 lines of

Which version of ffmpeg are you trying to build? Latest git master?


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