gnu: Add perl-tk * gnu/packages/tcl.scm (perl-tk): New variable
gnu: net-base: Upgrade to 5.2. * gnu/packages/admin.scm (net-base): Upgrade to 5.2; use 'mirror://debian'.
gnu: shadow: Take the source from Git. * gnu/packages/admin.scm (shadow)[source]: Use the git repo.
gnu: guile-ssh: Use libssh 0.5.5 patched for CVE-2014-0017. * gnu/packages/patches/libssh-CVE-2014-0017.patch: New file. * gnu-system.am (dist_patch_DATA): Add it. * gnu/packages/ssh.scm (libssh-0.5): New variable. (guile-ssh): Use it.
gnu: xpdf: Build sequentially. * gnu/packages/pdf.scm (xpdf)[arguments]: Add #:parallel-build? #f.
gnu: lsh: Build with Readline 6.2. * gnu/packages/lsh.scm (lsh): Use READLINE-6.2 instead of READLINE.
gnu: gdb: Disable tests. * gnu/packages/gdb.scm (gdb): Disable tests.
gnu: valgrind: Adjust patch for glibc 2.19. * gnu/packages/patches/valgrind-glibc.patch: s/2.18/2.19/.
gnu: parted: Build against Readline 6.2. * gnu/packages/readline.scm (readline-6.2): New variable. * gnu/packages/parted.scm (parted): Use it instead of READLINE.
gnu: inkscape: Use libgc 7.2. * gnu/packages/inkscape.scm (inkscape): Use LIBGC-7.2 instead of LIBGC.
gnu: python: Use /nix/.../sh in popen2 module * gnu/packages/python.scm (python-2): patch Lib/popen2.py to use /nix/.../sh.
gnu: global: Upgrade to 6.2.12. * gnu/packages/global.scm (global): Upgrade to 6.2.12.
gnu: apl: Upgrade to 1.3. * gnu/packages/apl.scm (apl): Upgrade to 1.3.
gnu: xorriso: Upgrade to 1.3.6.pl01. * gnu/packages/cdrom.scm (xorriso): Upgrade to 1.3.6.pl01.
gnu: gxmessage: Upgrade to 2.20.1. * gnu/packages/gxmessage.scm (gxmessage): Upgrade to 2.20.1.
gnu: help2man: Upgrade to 1.45.1. * gnu/packages/help2man.scm (help2man): Upgrade to 1.45.1.
gnu: zile: Upgrade to 2.4.11. * gnu/packages/zile.scm (zile): Upgrade to 2.4.11.
gnu: units: Upgrade to 2.11. * gnu/packages/maths.scm (units): Upgrade to 2.11.
gnu: freeipmi: Upgrade to 1.4.1. * gnu/packages/freeipmi.scm (freeipmi): Upgrade to 1.4.1.
gnu: parallel: Upgrade to 20140322. * gnu/packages/parallel.scm (parallel): Upgrade to 20140322.