looks like this is what they did:

On 18-apr-2006, at 19:27, Rick McGuire wrote:


Hello,
I managed to compile ooRex 3.0.0 on AIX 5.3

- IBM vacpp 6.0
- AIX 5.3 ML04
- static libraries

---------- snip -----------------
#!/usr/bin/ksh

# Changes
# =======
# ./samples/unix/api/callrexx ->  link error / had no time to dig in;
disabled build
# changed all // comments in /* */
# QueueCommand.cpp -> deleted line #define  SYSREXXSAA
# SUBCOMCommand.cpp -> deleted line #define  SYSREXXSAA

export CC=xlc_r
export CXX=xlC_r
./configure --disable-shared

exit 0
---------- snip -----------------


Bye
Rainer Tammer