From: Yutaka Kanemoto Date: 2012-07-08T23:56:40+09:00 Subject: [ruby-core:46251] Re: building ruby-1.9.3-p194 on AIX 6.1 TL05 SP06 Hi Perry Is it possible for you to try latest SP like SP8 (for TL5)? SP5 is a bit old. I have ever seen similar error before, and it was disappeared after applying latest SP. -- Yutaka KANEMOTO http://d.hatena.ne.jp/kinpoco/