branch master updated (01ceca2 -> 65e862d)

[Danny Milosavljevic]

dannym pushed a change to branch master
in repository guix.

      from  01ceca2   build: Add build-aux/ar-lib to .gitignore.
       new  5533071   gnu: rdmd: Update to 2.073.0.
       new  65e862d   gnu: Add dub-build-system.

The 2 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:
 Makefile.am                              |   2 +
 doc/guix.texi                            |  10 +++
 gnu/packages/ldc.scm                     |  67 ++++++++---------
 guix/build-system/{cargo.scm => dub.scm} |  78 ++++++++++---------
 guix/build/dub-build-system.scm          | 125 +++++++++++++++++++++++++++++++
 5 files changed, 207 insertions(+), 75 deletions(-)
 copy guix/build-system/{cargo.scm => dub.scm} (71%)
 create mode 100644 guix/build/dub-build-system.scm