gnu: toxic: Fix build with Python 3.8. * gnu/packages/messaging.scm (toxic)[arguments]: Add substitution in the enable-python-scripting phase.
gnu: emacs-evil-collection: Update to 20200509. * gnu/packages/emacs-xyz.scm (emacs-evil-collection): Update to 20200509.
gnu: emacs-helm-fish-completion: Update to 0.3. * gnu/packages/emacs-xyz.scm (emacs-helm-fish-completion): Update to 0.3.
gnu: ccid: Update to 1.4.32. * gnu/packages/security-token.scm (ccid): Update to 1.4.32.
gnu: rocksdb: Update to 6.8.1. * gnu/packages/databases.scm (rocksdb): Update to 6.8.1.
gnu: fluidsynth: Update to 2.1.2. * gnu/packages/audio.scm (fluidsynth): Update to 2.1.2.
gnu: wavpack: Update to 5.3.0. * gnu/packages/audio.scm (wavpack): Update to 5.3.0.
gnu: xmlsec: Update to 1.2.30. * gnu/packages/xml.scm (xmlsec): Update to 1.2.30.
gnu: maim: Update to 5.6.3. * gnu/packages/xdisorg.scm (maim): Update to 5.6.3.
gnu: slop: Update to 7.5. * gnu/packages/xdisorg.scm (slop): Update to 7.5.
gnu: openh264: Update to 2.1.0. * gnu/packages/video.scm (openh264): Update to 2.1.0. [source]: Change to GIT-FETCH.
gnu: mbedtls-apache: Update to 2.16.6. * gnu/packages/tls.scm (mbedtls-apache): Update to 2.16.6.
gnu: ceph: Update to 14.2.9. * gnu/packages/storage.scm (ceph): Update to 14.2.9.
gnu: msmtp: Update to 1.8.10. * gnu/packages/mail.scm (msmtp): Update to 1.8.10.
gnu: feh: Update to 3.4. * gnu/packages/image-viewers.scm (feh): Update to 3.4.
gnu: rtl-sdr: Improve description. * gnu/packages/radio.scm (rtl-sdr)[description]: Add instructions for blacklisting the default rtl28xxu DVB Linux driver.
gnu: asymptote: Fix build. * gnu/packages/plotutils.scm (asymptote)[native-inputs]: Add texlive-etoolbox.
gnu: QEMU: Update to 5.0.0. * gnu/packages/patches/qemu-CVE-2020-1711.patch, gnu/packages/patches/qemu-CVE-2020-7039.patch, gnu/packages/patches/qemu-CVE-2020-7211.patch, gnu/packages/patches/qemu-CVE-2020-8608.patch, gnu/packages/patches/qemu-fix-documentation-build-failure.patch: Delete files. * gnu/local.mk (dist_patch_DATA): Adjust accordingly. * gnu/packages/virtualization.scm (qemu)[source](patches): Remove. [arguments]: Add phase 'patch-/bin/sh-references'. In the 'configure' phase, add shebang substitutions. Remove phase 'prevent-network-configuration'. [inputs]: Change from LIBCAP to LIBCAP-NG.
Merge branch 'core-updates'
gnu: gcc-toolchain: Add 10.1.0. * gnu/packages/commencement.scm (gcc-toolchain-10): New variable.