Merge from gnulib.
authorPaul Eggert <eggert@cs.ucla.edu>
Mon, 19 Aug 2013 05:23:05 +0000 (22:23 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Mon, 19 Aug 2013 05:23:05 +0000 (22:23 -0700)
commit24a09b417c957e0e1b91b7c3ce3abf44658c7b26
tree70f15858cb3cf8c98f273fb6431aeb497502563b
parent477cbe5866ab3a5a998410679c05bffbe703da31
Merge from gnulib.

This incorporates:
2013-08-15 warnings: minor optimization
2013-08-15 warnings: check -Wfoo rather than -Wno-foo
ChangeLog
m4/warnings.m4