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Question problems with ROOT in Geant4 under Cygwin 

Forum: Installation and Configuration
Date: 08 Aug, 2008
From: jerimy <jerimy>

I am encountering the following error message when trying to compile a Geant4 simulation containing ROOT using Cygwin. When I issue the make comand i get the following error message:

...
...
...
Compiling Analysis.cc ...
Analysis.cc
src/Analysis.cc(41) : fatal error C1083: Cannot open include file: 'TROOT.h': No
 such file or directory
make: *** [/cygdrive/c/geant4/g4apps/tmp/WIN32-VC/85GammaNozzleTrackSimplev1/Analysis.o] Error 2

Analysis.cc contains line the #include TROOT.h. THis same simulation comiles and runs fine on our Linux system.

The specifics of my install are as follows:

Geant4.9.1_p02

Cygwin 1.5.25 - cygwin is using compiler from Visual C++ 2005 Express Edition

ROOT 5.20.00

I think this may be a problem wih the enviroment variables, but I cannot confirm this. Changing the format of the enviroment variable definitions from ROOTSYS=c:/root to ROOTSYS=cygdrive/c/root allowed the compiler to find the several other root files, but now I get the error for TRROT.h.

any ideas anyone?? (besides buying a mac)

cheers, Jerimy Polf

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