add Digital Unix 3.x notes to README.threads (as suggested by

Phoenix <awrobel@jedi.cis.temple.edu>)

p4raw-id: //depot/maint-5.005/perl@1717

diff --git a/README.threads b/README.threads
index 8357056..952623f 100644 (file)
--- a/README.threads
+++ b/README.threads
@@ -8,6 +8,8 @@ running one of the following:
 
   * Digital UNIX 4.x
 
+  * Digital UNIX 3.x (Formerly DEC OSF/1), see additional note below
+
   * Solaris 2.x for recentish x (2.5 is OK)
 
   * IRIX 6.2 or newer. 6.2 will require a few os patches.
@@ -59,6 +61,14 @@ For Digital Unix 4.x:
        Zap mallocobj and mallocsrc (foo='')
        Change d_mymalloc to undef
 
+For Digital Unix 3.x (Formerly DEC OSF/1):
+    Add -DOLD_PTHREADS_API to ccflags
+    If compiling with the GNU cc compiler, remove -thread from ccflags
+
+    (The following should be done automatically if you call Configure
+      with the -Dusethreads option).
+    Add -lpthread -lmach -lc_r to libs (in the order specified).
+
 For IRIX:
     (This should all be done automatically by the hint file).
     Add -lpthread to libs