ROOT 2.24.02 users who are using RH 6.1 and gcc 2.95.2 will need to apply the following patch if they want to compile ROOT from source. I have attached the patch to this e-mail. Just "cd" to the top of your ROOT source tree and feed this e-mail to patch, e.g.: $ cd root-gcc-c++-2.95.2-2.24.02 $ patch < BTree.bug.e-mail For reference, here is the error that you will get if you don't apply the patch. g++ -O2 -Wall -fPIC -DR__GLIBC -I/mnt/hdc/projects/ROOT/2.00/rpm/BUILD/root-gcc-c++-2.95.2-2.24.02/ttf/include -I/mnt/hdc/projects/ROOT/2.00/rpm/BUILD/root-gcc-c++-2.95.2-2.24.02/opengl/include -D_REENTRANT -c CONT_Btree.cxx CONT_Btree.cxx: In method `TBtInnerNode::TBtInnerNode(TBtInnerNode *, TBtree *, TBtNode *)': CONT_Btree.cxx:689: Internal compiler error. CONT_Btree.cxx:689: Please submit a full bug report. CONT_Btree.cxx:689: See <URL:http://www.gnu.org/software/gcc/faq.html#bugreport> for instructions. make[1]: *** [CONT_Btree.o] Error 1 make[1]: Leaving directory `/mnt/hdc/projects/ROOT/2.00/rpm/BUILD/root-gcc-c++-2.95.2-2.24.02/src' make: *** [default] Error 2 Bad exit status from /var/tmp/rpm-tmp.58277 (%build) -- Matthew D. Langston SLD, Stanford Linear Accelerator Center langston@SLAC.Stanford.EDU --- src/CONT_Btree.cxx.orig Thu Apr 6 23:55:22 2000 +++ src/CONT_Btree.cxx Mon Apr 10 12:59:32 2000 @@ -686,7 +686,8 @@ // Called only by TBtree to initialize the TBtInnerNode that is // about to become the root. - fItem = new TBtItem[MaxIndex()+1]; + const Int_t index = MaxIndex() + 1; + fItem = new TBtItem[ index ]; if (fItem == 0) ::Fatal("TBtInnerNode::TBtInnerNode", "no more memory"); Append(0, oldroot);
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