I understand.. but I installed the ncbi-6.0-1 RPM and these 4 libs were not installed. I cannot find them anywhere in the system. >>> landman@scalableinformatics.com 02/28/03 04:30PM >>> These files are located in ncbi/include/ from the toolkit source. _______________________________________________ Bioclusters maillist - Bioclusters@bioinformatics.org=20 https://bioinformatics.org/mailman/listinfo/bioclusters