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diff --git a/README.aix b/README.aix
index 9044bae..832d4c8 100644
--- a/README.aix
+++ b/README.aix
@@ -183,6 +183,32 @@ If you like a more web-like approach, a good start point can be
 http://www14.software.ibm.com/webapp/download/downloadaz.jsp and click
 "C for AIX", and follow the instructions.
 
+=head2 The usenm option
+
+If linking miniperl
+
+ cc -o miniperl ... miniperlmain.o opmini.o perl.o ... -lm -lc ...
+
+causes error like this
+
+ ld: 0711-317 ERROR: Undefined symbol: .aintl
+ ld: 0711-317 ERROR: Undefined symbol: .copysignl
+ ld: 0711-317 ERROR: Undefined symbol: .syscall
+ ld: 0711-317 ERROR: Undefined symbol: .eaccess
+ ld: 0711-317 ERROR: Undefined symbol: .setresuid
+ ld: 0711-317 ERROR: Undefined symbol: .setresgid
+ ld: 0711-317 ERROR: Undefined symbol: .setproctitle
+ ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
+
+you could retry with
+
+ make realclean
+ rm config.sh
+ ./Configure -Dusenm ...
+
+which makes Configure to use the C<nm> tool when scanning for library
+symbols, which usually is not done in AIX.
+
 =head2 Using GNU's gcc for building perl
 
 Using gcc-3.x (tested with 3.0.4, 3.1, and 3.2) now works out of the box,
@@ -200,6 +226,20 @@ Should yield no problems.
 Threads seem to work OK, though at the moment not all tests pass when
 threads are used in combination with 64bit configurations.
 
+You may get a warning when doing a threaded build:
+
+  "pp_sys.c", line 4640.39: 1506-280 (W) Function argument assignment between types "unsigned char*" and "const void*" is not allowed.
+
+The exact line number may vary, but if the warning (W) comes from a line
+line this
+
+  hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
+
+in the "pp_ghostent" function, you may ignore it safely.  The warning
+is caused by the reentrant variant of gethostbyaddr() having a slightly
+different prototype than its non-reentrant variant, but the difference
+is not really significant here.
+
 =head2 64-bit Perl
 
 If your AIX is installed with 64-bit support, you can expect 64bit