I checked out ros trunk and make could not complete. I had to fix two lines,
cfr attachment. The strange thing is that I kept getting these python
exceptions:

[ rosmake ] Last 40 lines
{-------------------------------------------------------------------------------
     generate(arg)
   File "/home/kaltan/src/ros/trunks/ros/core/roscpp/scripts/gensrv_cpp.py",
line 193, in generate
     os.makedirs(output_dir)
   File "/usr/lib/python2.6/os.py", line 157, in makedirs
     mkdir(name, mode)
 OSError: [Errno 17] File exists:
'/home/kaltan/src/ros/trunks/ros/test/test_roscpp/srv_gen/cpp/include/test_roscpp'
 make[4]: *** [../srv_gen/cpp/include/test_roscpp/TestStringString.h] Error 1
 make[4]: Leaving directory
`/home/kaltan/src/ros/trunks/ros/test/test_roscpp/build'

I had to work around with a try statement. Really weird (Ubuntu Karmic,
standard install). The other fix is a forgotten link library, when binutils-
gold is used during linking.

These are fixed in trunk, I'll get a patch release out soon.  Not sure how I (and our build machines) never hit that case in gensrv_cpp, it had already been fixed in genmsg_cpp.

Josh
 

Regards,
Peter

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