Issue #5488 has been updated by hongbo hu.


The patch seems didn't work 
I still got the error
checking stack growing direction on hppa2.0w... ./configure[14718]: ${rb_cv_stack_grow_dir_hppa2.0w+:}: The specified substitution is not valid for this command.
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Backport #5488: autoconf failure on HP-UX/PA
http://redmine.ruby-lang.org/issues/5488

Author: The Written Word Inc
Status: Assigned
Priority: Normal
Assignee: Yuki Sonoda
Category: 
Target version: 


On HP-UX/PA:
  $ bzip2 -dc ruby-1.9.2-p290.tar.bz2 | tar xf -
  $ cd ruby-1.9.2-p290
  $ ./configure
  ...
  checking size of struct stat.st_ino... SIZEOF_LONG
  checking whether _SC_CLK_TCK is supported... yes
  checking stack growing direction on hppa2.0w... ./configure[14730]: "${rb_cv_stack_grow_dir_hppa2.0w+set}": The specified substitution is not valid for this command.



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