[PATCH 0/2] Fix logged command line

7 weeks after Kevin's report, and I finally had time to try my
hand at the proposed fix for what gets logged when you do:

./configure FLAGS='foo bar'

It would be nice to get a review, but I will probably include it
in autoconf 2.70 (which I still hope to release next week) whether
or not it has been reviewed.

Note that './config-status --version' already outputs a
correctly-quoted list of arguments given to ./configure, but not
quite in the same format (it splits $0 and $@ with other text),
so it's still not as easy to paste that into a command line as it
is to paste the text grep'ed out of config.log.

Eric Blake (2):
  m4sh: Add _AS_INVOCATION
  autoconf: Properly quote logged command line

 lib/autoconf/general.m4 |  3 ++-
 lib/autoconf/status.m4  |  3 ++-
 lib/m4sugar/m4sh.m4     | 14 ++++++++++++++
 tests/m4sh.at           | 23 +++++++++++++++++++++++
 4 files changed, 41 insertions(+), 2 deletions(-)

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2.9.3