From: Roger Pack Date: 2010-05-06T05:43:20+09:00 Subject: [ruby-core:30033] Re: 1.9.1 lib dirs? > As far as I know, 1.9.2 is ABI compatible to 1.9.1. > > > It is arguable that all the functions whose prototype is included in > include/ruby/ruby.h are public or not. it appears that include/ruby/ruby.h has undergone some changes since 1.9.1 r26785 r27214 If that (and the other changes) are considered ABI compatible then I suppose it's ok. Thanks! -rp