From: Nobuyoshi Nakada <nobu@...>
Date: 2009-05-07T14:03:40+09:00
Subject: [ruby-core:23378] Re: [Bug #1388] cygwin-1.7, gcc4-4.3, and ruby-1.9. make btest #236 test_io.rb Segmentation fault

Hi,

At Fri, 1 May 2009 00:57:41 +0900,
neomjp neomjp wrote in [ruby-core:23340]:
> Conficting part is _longjmp. Here is the relevant part of setjmp.h from
> cygwin-1.7 .

> $ sed -n 317,323p /usr/include/machine/setjmp.h
> #ifdef __CYGWIN__
> extern void _longjmp(jmp_buf, int);
> extern int _setjmp(jmp_buf);

Yes of course, longjmp() never return and must not be int.

> > Previously, it couldn't work with THREAD_MODEL=win32, maybe
> > something improved with cygwin 1.7?
> 
> 	I investigated this furthur, and found that it is probably not the
> case. This Makefile variable THREAD_MODEL is used in two places in
> (un)common.mk, the variable VM_CORE_H_INCLUDES and the prerequisite for
> thread.o:

I meant very early implementation, but not current one.  It had
used Windows threads at first.

-- 
Nobu Nakada