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Code Issues Releases Wiki Activity

Update for Audacity 2.2.0

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Steve Daulton
2017-10-24 23:34:18 +01:00
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INSTALL
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Compilation and install instructions for GNU/Linux
Download wxWidgets. Audacity 2.1.3 requires wxWidgets 3.0.x, preferably 3.0.2,
which can be obtained from:
https://github.com/wxWidgets/wxWidgets/releases/download/v3.0.2/wxWidgets-3.0.2.tar.bz2 .
Note: Audacity 2.2.0 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
Don't be tempted to use the Widgets version already installed on Linux because
this will cause problems.
Audacity 2.2.0 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 .
The libsndfile library is also required and is included in Audacity obtained
from GitHub. Obtain the latest Audacity alpha development source code from
https://github.com/audacity/audacity then use the green "Clone or download"
button to git clone Audacity. You may need to install git first.
On openSUSE, be sure to install wxWidgets without STL.
If you are not planning to do any development, you may be better to download
the Audacity 2.1.3 release minimal source tarball from
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 2.2.0 release
minimal source tarball is recommended from:
http://www.audacityteam.org/download/source/ .
CMake ( http://www.cmake.org/ ) is required to build the local copy of
the libsoxr resampling library used by Audacity, unless you install
libsoxr-dev and use that system library.
Installation of other libraries is optional, see:
http://wiki.audacityteam.org/wiki/Developing_On_Linux#optional .
Other required dependencies:
The PortAudio and PortMidi libraries used by Audacity 2.2.0 include fixes
that are not yet available in the upstream versions, so the local (included)
versions must be used.
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.
Compile wxWidgets with the default gtk2 option, not with gtk3:
./configure
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
Install wxWidgets (this defaults to installation in /usr/local/).
On a multi-core system, build time can be considerably reduce by setting the -j (jobs)
switch equal to the number of cores. For example, on a quad core processor:
make -j4
make install # as root
ldconfig # as root
The root command is often sudo on GNU/Linux, for example 'sudo make install'.
Then to compile and install Audacity:
./configure -with-lib-preference="local system"
make
To install:
make install # as root
To see the compile-time options you can set, type
./configure --help
(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 .
http://forum.audacityteam.org/viewforum.php?f=19 .