* missing/nextafter.c: Include ruby/missing.h.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45987 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fix a dependency for etc.o.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45988 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
output more verbose to debug

following failure insists unexpected condition
http://c5664.rubyci.org/~chkbuild/ruby-trunk/log/20140515T133301Z.diff.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e