From: Eric K Date: 2005-11-23T01:22:26+09:00 Subject: Re: "Basic" problem with Threads (?) Thank you for your help on this. I believe I have resolved the issue. On my particular Linux (Redhat Enterprise 3), I have to modify the CFLAGS setting in the Makefile after running ./configure (but before running make, make install). After changing the CFLAGS line from: CFLAGS = -g -O2 to: CFLAGS = -g -O0 I am able to build Ruby that handles Threads properly. I think the reason some things were working (and some not) was that I had some .o files hanging around from a previous build (one done without the CFLAGS change). Thanks again for the help, everyone!