* gnu/packages/sdcc.scm (sdcc)[description]: Fix (upstream) typo.  Add
hyphens.

* gnu/packages/sdcc.scm (sdcc): Update to 3.7.0.

* gnu/packages/php.scm (php): Update to 7.2.3.

* gnu/packages/python.scm (python-stem): Update to 1.6.0.
[arguments]: Add ‘fix-test-environment’ phase.

* gnu/packages/tor.scm (onionshare)[arguments]: Substitute INVOKE for
SYSTEM* and end phase with #t.

* gnu/packages/tor.scm (privoxy)[arguments]: Substitute INVOKE for
SYSTEM* and end phase with #t.

* gnu/packages/python.scm (python-stem)[arguments]: Substitute INVOKE
for SYSTEM* and end phase with #t.

* gnu/packages/audio.scm (liblo): Update to 0.29.

* gnu/packages/monitoring.scm (nagios): Update to 4.3.4.

* gnu/packages/libftdi.scm (libftdi)[home-page]: Use HTTPS.

* gnu/packages/textutils.scm (dbacl)[home-page]: Use HTTPS.

* gnu/packages/textutils.scm (dbacl)[arguments]: Substitute INVOKE for SYSTEM* and end phases with #t.

* gnu/packages/patches/glibc-allow-kernel-2.6.32.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc/linux)[replacement]: New field.
(glibc-2.26-patched): New variable.

* gnu/packages/web.scm (r-httpuv): Update to 1.3.6.1.

* gnu/packages/statistics.scm (r-lubridate): Update to 1.7.3.

* gnu/packages/statistics.scm (r-tidyselect): Update to 0.2.4.

* gnu/packages/statistics.scm (r-rmarkdown): Update to 1.9.

* gnu/packages/statistics.scm (r-rcpparmadillo): Update to 0.8.400.0.0.

* gnu/packages/statistics.scm (r-yaml): Update to 2.1.17.

* gnu/packages/statistics.scm (r-gdtools): Update to 0.1.7.
[inputs]: Add zlib.

* gnu/packages/statistics.scm (r-rpart): Update to 4.1-13.

* gnu/packages/statistics.scm (r-mass): Update to 7.3-49.

* gnu/packages/databases.scm (r-rmysql): Update to 0.10.14.

* gnu/packages/cran.scm (r-pillar): Update to 1.2.1.

* gnu/packages/cran.scm (r-truncnorm): Update to 1.0-8.

* gnu/packages/bioinformatics.scm (r-scran): Update to 1.6.8.

* gnu/packages/bioinformatics.scm (r-wgcna): Update to 1.63.

* gnu/packages/bioinformatics.scm (r-topgo): Update to 2.30.1.

* gnu/packages/bioinformatics.scm (r-genomicranges): Update to 1.30.3.

* gnu/packages/bioinformatics.scm (r-limma): Update to 3.34.9.

* gnu/packages/bioinformatics.scm (r-edger): Update to 3.20.9.

* gnu/packages/bioinformatics.scm (r-shortread): Update to 1.36.1.

* gnu/packages/bioinformatics.scm (r-dexseq): Update to 1.24.3.

* gnu/packages/enlightenment.scm (efl)[outputs]: Add 'include' output.

* gnu/packages/enlightenment.scm (efl): Update to 1.20.7.

* gnu/packages/music.scm (patchmatrix): New variable.

* gnu/packages/haskell.scm (ghc-uuid)[arguments]: Allow building with a newer
version of QuickCheck.

* gnu/packages/games.scm (golly): Fix source url.

* gnu/packages/imagemagick.scm (imagemagick): Update to 6.9.9-36.

* gnu/packages/libreoffice.scm (libe-book): Update to 0.1.3.
[propagated-inputs]: Add LIBLANGTAG.