Alexander Zvyagin writes: > IHEP, Protvino, Russia, 21-OCT-1998 > > Dear ROOTers, > > I have upgrated OS on my computer to Linux Slackware 3.5. > ROOT tutorials work. When I try to compile and link examples in the > $ROOTSYS/test directory I get the message: > > Event.o: In function `Event type_info function': > Event.o(.text+0x14c4): undefined reference to `TObject type_info function' > Event.o(.text+0x14ca): undefined reference to `TObject type_info node' > EventDict.o: In function `Track type_info function': > EventDict.o(.text+0x5420): undefined reference to `TObject type_info function' > EventDict.o(.text+0x5426): undefined reference to `TObject type_info node' > collect2: ld returned 1 exit status > > I successfully recompile the ROOT system, but it doesn't help. > > I do not undestand what is wrong... May be I missed some library? > > Versions of gcc and ld are: > # gcc -v > Reading specs from /usr/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.90.29/specs > gcc version egcs-2.90.29 980515 (egcs-1.0.3 release) > # ld -v > GNU ld version 2.8.1 (with BFD linux-2.8.1.0.1) > > Need help! > Alexander Zvyagin. Alexander: you need to compile your code with -fno-rtti and (probably) -fno-exceptions compiler flags. -pasha.
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