Dear Rene, yes, I had built the ROOT binaries myself because there were no official binaries yet for Fedora Core 1. The following options were used for the configure script. ./configure linux --prefix=/usr/local --enable-soversion --enable-rpath --enable-thread The binaries were built by 'make -j5' using GNU make and installed by 'make install' as usual. The previous version (CVS in 2004/04/25) was overwritten during the installation. GCC was the default one (3.3.2). The specs are shown below. Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.3.2/specs Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --with-system-zlib --enable-__cxa_atexit --host=i386-redhat-linux Thread model: posix gcc version 3.3.2 20031022 (Red Hat Linux 3.3.2-1) Please let me know if there is any information missing. With these options, the previous versions (4.00/03 and CVS) seemed to work without trouble. Thanks, H. So. Rene Brun wrote: > Hi, > > I do not see any problem in reading your file with 4.00/04 > > Did you generate the ROOT binaries yourself? or imported one of the binaries > on our web site? (we do not have yet a binary for Fedora Core 1) > > Rene Brun > > Hyeongryul So wrote: > > > > Hi, > > > > I have been using ROOT on my Linux box (Fedora Core 1). After upgrading my > > installation of ROOT from 4.00/03 to 4.00/04, I received this warning > > messages while reading files generated by the previous versions of ROOT. > > > > root [0] TFile* file = new TFile("check.root", "read") > > Warning in <TStreamerInfo::BuildCheck>: > > The StreamerInfo of class TAttLine read from file check.root > > has the same version (=1) as the active class but a different checksum. > > You should update the version to ClassDef(TAttLine,2). > > Do not try to write objects with the current class definition, > > the files will not be readable. > > > > Warning in <TStreamerInfo::BuildCheck>: > > The StreamerInfo of class TAttMarker read from file check.root > > has the same version (=1) as the active class but a different checksum. > > You should update the version to ClassDef(TAttMarker,2). > > Do not try to write objects with the current class definition, > > the files will not be readable. > > > > Attached is the sample data file which contains only one histogram and was > > generated by ROOT 4.00/03. It seems that the change in class TCint is > > responsible for the message. > > > > 2004-04-27 15:15 rdm > > * meta/: inc/TCint.h, src/TCint.cxx: > > use new Cint autoloading interface (G__set_class_autoloading_table()) and > > callback mechanism to load the needed library (TCint::AutoLoadCallback()). > > > > It worries me that the new mechanism might not be backward-compatible; is it > > safe to use ROOT 4.00/04 with data files generated by older version of ROOT? > > > > Thanks, > > H. So. > > > > -------------------------------------------------------------------------------- > > Name: check.root > > check.root Type: unspecified type (application/octet-stream) > > Encoding: base64
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