"mark larios" <mark.james.lists gmail.com> wrote on 07.11.2006 07:19:16:

> ML: yarv-dev-en quickml.atdot.net
> New Member: mark.james.lists@g...
> 
> I'm following _why's instructions as well, and running into this
> problem with revision 575 on:
> 
> OpenSolaris Build 46
> i386
> gcc 3.4.3 (Thread model: posix)
> GNU make 3.81
> 
> gcc -g -O2  -DRUBY_EXPORT  -I. -I../yarv  -c ../yarv/thread.c
> In file included from ../yarv/thread.c:109:
> ../yarv/thread_pthread.h: In function `native_thread_create':
> ../yarv/thread_pthread.h:194: error: `PTHREAD_STACK_MIN' undeclared
> (first use in this function)
> ../yarv/thread_pthread.h:194: error: (Each undeclared identifier is
> reported only once
> ../yarv/thread_pthread.h:194: error: for each function it appears in.)
> ../yarv/thread_pthread.h: In function `make_timer_thread':
> ../yarv/thread_pthread.h:429: error: `PTHREAD_STACK_MIN' undeclared
> (first use in this function)
> make: *** [thread.o] Error 1
> 

 Please check http://www.ruby-forum.com/topic/73311, you need add 
__EXTENSIONS__
 CFLAG