gnu: wavpack: Update to 5.1.0.

* gnu/packages/audio.scm (wavpack): Update to 5.1.0.
[arguments]: Remove field.

gnu: ardour: Add eudev dependency.

* gnu/packages/audio.scm (ardour)[inputs]: Add eudev.

Revert "gnu: Add threaded variants of fftw and fftwf for Ardour and mod-host."

These variants are no longer needed.

Followup to 86f4e9d76a75c405b3b6c5b3f1717df0e45f4e68.

This reverts commit 45591fd7fde1a400a416cb99939f6dd766445f94.

gnu: bs1770gain: Update to 0.4.12.

* gnu/packages/audio.scm (bs1770gain): Update to 0.4.12.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: Use HTTPS for all sourceforge.net home pages.

* gnu/packages/admin.scm (mingetty, clusterssh)[home-page]: Use HTTPS.
* gnu/packages/audio.scm (libbs2b, soxr)[home-page]: Likewise.
* gnu/packages/bioinformatics.scm (bless)[home-page]: Likewise.
* gnu/packages/display-managers.scm (slim)[home-page]: Likewise.
* gnu/packages/games.scm (extremetuxracer)[home-page]: Likewise.
* gnu/packages/ghostscript.scm (gs-fonts)[home-page]: Likewise.
* gnu/packages/haskell.scm (ghc-regex-base, ghc-regex-posix,
ghc-regex-compat)[home-page]: Likewise.
* gnu/packages/image.scm (imlib2)[home-page]: Likewise.
* gnu/packages/libreoffice.scm (librevenge, libcmis, libodfgen, libmwaw)
[home-page]: Likewise.
* gnu/packages/linux.scm (hdparm, acpid, libavc1394, rng-tools)
[home-page]: Likewise.
* gnu/packages/mail.scm (esmtp)[home-page]: Likewise.
* gnu/packages/mp3.scm (ripperx)[home-page]: Likewise.
* gnu/packages/onc-rpc.scm (libtirpc)[home-page]: Likewise.
* gnu/packages/perl.scm (perl-czplib)[home-page]: Likewise.
* gnu/packages/python.scm (python-pyasn1-modules)[home-page]: Likewise.
* gnu/packages/xdisorg.scm (xosd)[home-page]: Likewise.

Merge branch 'master' into staging

gnu: Add raul-devel.

* gnu/packages/audio.scm (raul-devel): New variable.

gnu: lvtk: Build UI library.

* gnu/packages/audio.scm (lvtk)[inputs]: Add gtkmm-2.
[arguments]: Pass "-std=c++11" flag.

gnu: ardour: Update to 5.5.

* gnu/packages/audio.scm (ardour): Update to 5.5.

Merge branch 'master' into staging

Merge branch 'python-build-system'.

Merge branch 'master' into python-build-system

gnu: lv2: Update to 1.14.0.

* gnu/packages/audio.scm (lv2): Update to 1.14.0.

gnu: Add threaded variants of fftw and fftwf for Ardour and mod-host.

* gnu/packages/algebra.scm (fftw-with-threads, fftwf-with-threads): New
variables.
* gnu/packages/audio.scm (ardour)[inputs]: Replace "fftw" and "fftwf"
with "fftw-with-threads" and "fftwf-with-threads", respectively.
* gnu/packages/music.scm (mod-host)[inputs]: Likewise.

Merge branch 'master' into python-build-system

gnu: ir: Use archived tarball and home page.

* gnu/packages/audio.scm (ir)[source]: Use a list of archive mirrors.
[home-page]: Link to an Internet Archive snapshot.

gnu: ir: Use ‘modify-phases’ syntax.

* gnu/packages/audio.scm (ir)[arguments]: Use ‘modify-phases’.

Merge branch 'master' into staging

gnu: Add espeak.

* gnu/packages/audio.scm (espeak): New variable.

gnu: qsynth: Update to 0.4.3.

* gnu/packages/audio.scm (qsynth): Update to 0.4.3.