glibc: Rename 2.18 -> 2.19
glibc: Update to 2.19
coreutils: Disable parallel building
valgrind: Support Glibc 2.19
Merge remote-tracking branch 'origin/master' into glibc-2.19
checkinstall: fix build with glibc-2.19
go: don't assume sse2 on i686 (maybe fixes build)
glibc: do not use system ld.so.preload (close #1788)

Modified according to the PR comment.
glibc: fix a math problem by upstream patch
Merge master into x-updates
libxklavier: update 5.0 -> 5.3 (after a long time)
xorg: update, regenerate (new: glamor-egl)

Updates caught by nixpkgs monitor.
xorg: fixup after the update

All that built before update builds now again (and glamor-egl is new).
nixos ati: support glamor, disabled by default

This is from @ambrop72 #1969.
mesa: major update to 10.0.4, seems to work finally
gtk2: bugfix update 2.24.22 -> .23
harfbuzz: minor update 0.9.26 -> .27
xorg.libFS: maintenance update 1.0.5 -> .6
automake: update from 1.12.4 to 1.12.6
Merge branch master into x-updates (fix eval)