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Compilation and install instructions for GNU/Linux
Note: Audacity 2.2.2 requires gcc 4.9 or later. For Ubuntu 14.04 which only
has up to 4.8.4, see here for upgrade instructions:
http://wiki.audacityteam.org/wiki/Upgrade_to_gcc_4.9
Audacity 2.2.2 requires wxWidgets 3.0.x, preferably 3.0.2, built with gtk2.
If not available in your distribution repository, it may be downloaded from:
https://github.com/wxWidgets/wxWidgets/releases/download/v3.0.2/wxWidgets-3.0.2.tar.bz2 .
On openSUSE, be sure to install wxWidgets without STL.
The latest Audacity development source code is available from:
https://github.com/audacity/audacity
If you are not planning to do any development, the Audacity 2.2.2 release
minimal source tarball is recommended from:
http://www.audacityteam.org/download/source/ .
Other required dependencies:
Audacity 2.2.2 requires the local (included) versions of PortAudio and PortMidi.
Attempting to build with system library versions will fail.
libsndfile library is required and is included in the Audacity source.
libsoxr resampling library. If libsoxr-dev is not available as a system library,
the source code is included in the Audacity tarball.
CMake ( http://www.cmake.org/ ) is required to build a local copy of libsoxr.
Information about optional libraries may be available on:
http://wiki.audacityteam.org/wiki/Developing_On_Linux#optional .
If you install libraries using a package management system like Apt or RPM,
you need to install the "dev" (development) packages for each library.
Compiling wxWidgets:
wxWidgets must be built with the default gtk2 option, not with gtk3, and
without STL (also default). Full instructions for compilation can be found in:
wxWidgets-3.0.2/docs/gtk/
Compiling and installing Audacity:
As there have been fixes to several of the included libraries, compiling with
the included ('local') libraries is recommended. This also reduces the number of
dependencies that need to be installed. One common exception to this is the optional
FFmpeg library (see below)
From the root of the source tree, create a build directory, then change directory into it:
mkdir build
cd build
To see the compile-time options you can set:
../configure -h
Run the configure command with your preferred options, then 'make'
../configure -with-lib-preference="local system"
make
On a multi-core system, build time can be considerably reduced by setting the -j (jobs)
switch equal to the number of cores. For example, on a quad core processor:
make -j4
To install:
make install # as root
(The root command is often sudo on GNU/Linux, for example 'sudo make install'.)
If you want to do any development, you might want to generate a configure cache
and header dependencies:
./configure -C
make dep
To uninstall:
make uninstall #as root
To clean the build after modifying code:
make clean
To clean and remove previous configure options:
make distclean
FFmpeg support::
Audacity should be able to link dynamically to FFmpeg 1.2 to 2.3.x (libav 0.8 to 10),
but many distributions have more recent versions that fail to link dynamically.
To work around this issue, Audacity may be configured to use the system
FFmpeg library and disable dynamic loading. If this is done for both FFmpeg
and the optional LAME library, the "Libraries" option in Audacity's Preferences
is not required and is automatically removed.
../configure --with-lib-preference="local system" --with-ffmpeg=system \
--with-lame=system --disable-dynamic-loading
Additional information about compiling on Linux may be found on the Audacity wiki:
http://wiki.audacityteam.org/wiki/Developing_On_Linux
You can ask for help with compilation problems at:
http://forum.audacityteam.org/viewforum.php?f=19 .