* ext/socket/ancdata.c (bsock_sendmsg_internal): controls_num should
  not be negative.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40626 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fixed minitest dependency bug by removing env PARALLEL checks (no clue why that was there). Exactly the same minitest code tho.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40628 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-05-10

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/dtrace/helper.rb: ignore empty SUDO.  reuse SUDO value by using
  class variable.  use test/unit instead of minitest/autorun.  dispose
  `Interrupted system call' error messages at parallel test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40630 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: Don't link librt if clock_gettime is available in
  the main C library.
  glibc 2.17 moves clock_* from librt to the main C library.
  http://sourceware.org/ml/libc-announce/2012/msg00001.html



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40631 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: Reformat arguments of AC_CHECK_HEADERS and
  AC_CHECK_FUNCS to track modifications easily.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40632 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: Move library checks into "Checks for libraries." part.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40633 b2dd03c8-39d4-4d8f-98ff-823fe69b080e