Dear ROOTers, I am having problems to run TMapfile produers. In the attachment you could find an example producer code that I am struggling with. I have a locally-compiled ROOT3.05-07 with gcc3.2.3, which I simple configured as "linux" during compilation. Everything went through and looks like I've got all the libraries and bins. (Yes, libNew.so was made.) Then I compiled the producer with the root libraries (see the attached Makefile), with -lNew options. The executable was made OK. But when I tried to run the producer, I've got the error messages like: Error in <TMapFile::TMapFile>: no memory mapped file capability available Use rootn.exe or link application against "-lNew" If I tried to run the code in rootn.exe CINT. It doesn't complain about the TMapFile. But when if I try to break it with ctrl-c, it crashed horribly with errors like: *** Break *** segmentation violation Generating stack trace... BFD: Dwarf Error: Invalid or unhandled FORM value: 14. BFD: Dwarf Error: Invalid or unhandled FORM value: 14. BFD: Dwarf Error: Invalid or unhandled FORM value: 14. ... On the other hand if I tried the same thing on my laptop (standard RH9/gcc3.2.2/ROOT3.05-07), everything is fine. Could there be any incompatibility between root and gcc3.2.3? The gcc3.2.3 I used is from our computer center server, which is a RH7.3 with all kinds of patches. So it could be that some other libraries were missing when ROOT got compiled. If you need more details about this specific ROOT compilation I will pipe it. Thanks very much! Jianglai
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