Move the obsolete README.threads out of sight to ext/Threads;

save one part of the IRIX knowledge in INSTALL (though IRIX
6.2 is quite old...)

p4raw-id: //depot/perl@16995

1 files changed, 12 insertions, 0 deletions

diff --git a/INSTALL b/INSTALL
index f5c2f2fd85..01a7e79dac 100644
--- a/INSTALL
+++ b/INSTALL
@@ -727,6 +727,18 @@ If you decide to use ithreads, the 'threads' module allows their use,
 and the 'Thread' module offers an interface to both 5005threads and
 ithreads (whichever has been configured).
 
+For IRIX 6.2, you have to have the following patches installed:
+
+        1404 Irix 6.2 Posix 1003.1b man pages
+        1645 IRIX 6.2 & 6.3 POSIX header file updates
+        2000 Irix 6.2 Posix 1003.1b support modules
+        2254 Pthread library fixes
+        2401 6.2 all platform kernel rollup
+
+IMPORTANT: Without patch 2401, a kernel bug in IRIX 6.2 will cause
+your machine to panic and crash when running threaded perl.  IRIX 6.3
+and later are okay.
+
 =head2 Large file support.
 
 Since Perl 5.6.0, Perl has supported large files (files larger than