ruby18 fails to build without pthreads

[Michael Butler]

After yesterday's ruby18 update ..

cc -I/usr/include -O2 -fno-strict-aliasing -pipe -march=pentium4  -fPIC
   -DRUBY_EXPORT -I. -I. -I/usr/include    -c main.c

cc -I/usr/include -O2 -fno-strict-aliasing -pipe -march=pentium4  -fPIC
   -DRUBY_EXPORT -L.  -rpath=/usr/lib:/usr/local/lib -rdynamic   main.o
 libruby18-static.a -lrt -lcrypt -lm -L/usr/lib
-rpath=/usr/lib:/usr/local/lib  -o miniruby

libruby18-static.a(process.o)(.text+0x1c02): In function `proc_exec_v':


: undefined reference to `rb_thread_stop_timer_fake'


libruby18-static.a(process.o)(.text+0x26cf): In function `rb_proc_exec':

: undefined reference to `rb_thread_stop_timer_fake'


*** Error code 1

Stop in /usr/ports/lang/ruby18/work/ruby-1.8.7-p248.
*** Error code 1

Stop in /usr/ports/lang/ruby18.
*** Error code 1

Stop in /usr/ports/lang/ruby18.

===>>> make failed for lang/ruby18
===>>> Aborting update

===>>> Update for ruby+nopthreads-1.8.7.248,1 failed
===>>> Aborting update