SF Bug # 941346, AIX shared library fix

Since I can't test this, I'm just adding a comment.  If we get access
to AIX boxes, we can test this and really resolve.  Anyone from IBM
want to offer help?

Backport candidate I suppose.

Modules/ld_so_aix

@@ -168,6 +168,10 @@ fi
 
 CCOPT="-Wl,-e$entry -Wl,-bE:$expfile -Wl,-bI:$impfile -Wl,-bhalt:4"
 CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -lm -o $objfile"
+# Note: to use dynamic libraries like libtcl8.4.so and libtk8.4.so 
+# you may need to replace the second CCOPT line above with the following:
+# CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -brtl -bnortllib -lm -o $objfile"
+
 CCARGS="$args"
 
 # Export list generation.