doc/faq: explain libfoo-dev packages.

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Nicolas George 2012-11-07 23:55:17 +01:00
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@ -79,6 +79,17 @@ not a bug they should fix:
Then again, some of them do not know the difference between an undecidable Then again, some of them do not know the difference between an undecidable
problem and an NP-hard problem... problem and an NP-hard problem...
@section I have installed this library with my distro's package manager. Why does @command{configure} not see it?
Distributions usually split libraries in several packages. The main package
contains the files necessary to run programs using the library. The
development package contains the files necessary to build programs using the
library. Sometimes, docs and/or data are in a separate package too.
To build FFmpeg, you need to install the development package. It is usually
called @file{libfoo-dev} or @file{libfoo-devel}. You can remove it after the
build is finished, but be sure to keep the main package.
@chapter Usage @chapter Usage
@section ffmpeg does not work; what is wrong? @section ffmpeg does not work; what is wrong?