Hi, Last week I sent you an e-mail about my problem with running a loadable C++ module on AIX (http://opendx.npaci.edu/mail/opendx-dev/2003.07/msg00079.html). So far I have not resolved the problem. I am writing again to report my further problems and to ask you for help.
As the module did not run after I built it by hand the way I thought it should be built, I decided to employ LIBTOOL to build the module for us. This unfortunately did not help us - the module is built, but dxexec crashes when it tries to run it. I figured dxexec might have crashed because the modules were built without specifying their entry point (DXEntry). Therefore I instructed LIBTOOL to build the module with an entry point "DXEntry" by adding "ImportHDF5Field_LDFLAGS = -eDXEntry" in Makefile.am. When LIBTOOL is invoked in the building process I can see that "-eDXEntry" is passed to LIBTOOL, but in the actual command generated by LIBTOOL this option is omitted. Have you built a loadable module with LIBTOOL and succeeded in running it on AIX? I am a novice at using LIBTOOL, and perhaps I am using it in a wrong way. Having so much trouble with loadable modules, I finally decided to build outboard modules instead of loadable modules. There is an advantage of using outboard modules - it's just an executable, supported by every operating system. Moreover, building a separate executable is straightforward (at least at the operating systems that I know) unlike building shared libraries. Similarly, our outboard modules are built but they do not run. I tried running the modules both on Linux (Intel) and AIX (IBM SP RS/6000). As for Linux, I get this message: > Begin Execution > 0: Starting > /home/research/ijs/local/dxhdf5/modules_linux/ImportHDF5Field on > localhost.localdomain; will wait up to 60 seconds for connections. > ERROR: ImportHDF5Field: Bad parameter: connection to host > localhost.localdomain failed I searched the opendx-dev mail archive for this error. I found a tip advising to check if the name "localhost.localdomain" is resolved. I checked this - it is resolved (I have an entry for this in /etc/hosts). When I run an outboard module on AIX I only get this: > Begin Execution > 0: Starting /u11/ijs/local/dxhdf5//modules_ibm6000/ImportHDF5Field > on loopback; will wait up to 60 seconds for connections. The module is highlighted in green, as though as it is being executed. I do not get an error message, no matter how long I wait (I waited an hour). Is there documentation specifically devoted to developing portable OpenDX modules besides OpenDX's "Programmer's Reference"? Please share any ideas you might have. Best & thanks, Irek
