I'm writing an analysis application using Root. Up to now, I've been using version 2.23.12, but now I'd like to try it with more recent versions of Root. I'm using RedHat 6.1. So, I installed several versions of root, pointed ROOTSYS, LD_LIBRARY_PATH, and my PATH to point to the correct directory, and rebuilt all of my source. I verified that the compiler gets the right root headers, the linker gets the right root libraries, and rootcint comes from the right place. I get an executable that runs, although sometimes I get segmentation faults where I didn't get them before. The problem is that I'm having trouble running GDB on my executables. When I try to run it on the copy compiled with root 2.25.03, I get: ----------------------------------------- GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux"... (gdb) run Starting program: /home/greg/Projects/Software/dev/MiniDana/225/MiniDana !!!!!!!!!!!!!! W A R N I N G !!!!!!!!!!!!! The internal data structures have been changed. Please recompile the setup file which contains the definition "G__cpp_setupLinearRtRelationDict()" using CINT version 5.14.25, Nov 25 1999. library=30051428 cintbody=51415 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Program exited with code 01. Current language: auto; currently c ---------------------------------------- And when I try to use the copy compiled with root 3.00.05, I get the following. ---------------------------------------- GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux"... (gdb) run Starting program: /home/greg/Projects/Software/dev/MiniDana/300/MiniDana /home/greg/Projects/Software/dev/MiniDana/300/MiniDana: error in loading shared libraries: /home/greg/Projects/Software/dev/MiniDana/300/MiniDana: undefined symbol: AddClass__FPCcsPFv_vi Program exited with code 0177. Current language: auto; currently c ------------------------------------------------------------ ROOTSYS, LD_LIBRARY_PATH, and PATH are still pointing to the relevent version of Root when I run GDB. So, does anyone know what's going wrong? Thanks! Greg
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