branch master updated (c8b38f8 -> 7e3aca2)

[Ricardo Wurmus]

rekado pushed a change to branch master
in repository guix.

      from  c8b38f8   gnu: time: Update license.
       new  88fb156   gnu: pcb: Update to 4.0.2.
       new  5a80c15   gnu: Remove "open source" from descriptions.
       new  3699383   gnu: Add r-xts.
       new  b72b42c   gnu: Add r-performanceanalytics.
       new  7e3aca2   gnu: librecad: Fix build.

The 5 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/aidc.scm             |  7 ++---
 gnu/packages/cran.scm             | 53 +++++++++++++++++++++++++++++++++
 gnu/packages/engineering.scm      | 62 ++++++++++++++++++++++++++-------------
 gnu/packages/firmware.scm         |  6 ++--
 gnu/packages/game-development.scm | 10 +++----
 gnu/packages/libupnp.scm          |  8 ++---
 gnu/packages/maths.scm            | 10 +++----
 gnu/packages/mingw.scm            |  6 ++--
 8 files changed, 118 insertions(+), 44 deletions(-)