> On 22 Feb 2011, at 09:11, Andy Wingo wrote: > > >> The problem is SCM_BOOL_T convert to #nil, and (not #nil)==>#t ! So I > >> can't get a logical result. > > > > I believe this indicates that you compiled this extension against > > headers from 1.8 or earlier. Not sure how you managed that :) > > I noticed that that is possible - in fact, to make sure to get it right, I > removed all Guile headers in /usr/local/include/ and reinstalled guile-2.0. > > The Guile 1.8 header libguile.h is in /usr/local/include/, but the one from > 2.0 is in /usr/local/include/guile/2.0/. Both directories are included when > compiling. So if the include order is wrong, or the from 2.0 is somehow > excluded, you may get the wrong one, and it may in fact compile. > > Perhaps 2.0 should have some check that it gets the right header. > >
Well~I modified the include path and it's done. Thanks all! -- GNU Powered it GPL Protected it GOD Blessed it HFG - NalaGinrut