configuration to succeed you need a Posix compliant shell installed in
@file{/bin/sh}, GNU @command{bash} is fine. Perl is needed by the built
process as well, since some of the source files are automatically
-generated by Perl scripts. Last but not least, Bruno Haible's library
-CLN is extensively used and needs to be installed on your system.
-Please get it either from @uref{ftp://ftp.santafe.edu/pub/gnu/}, from
-@uref{ftp://ftpthep.physik.uni-mainz.de/pub/gnu/, GiNaC's FTP site} or
-from @uref{ftp://ftp.ilog.fr/pub/Users/haible/gnu/, Bruno Haible's FTP
-site} (it is covered by GPL) and install it prior to trying to install
+generated by Perl scripts. Last but not least, the CLN library
+is used extensively and needs to be installed on your system.
+Please get it from @uref{ftp://ftpthep.physik.uni-mainz.de/pub/gnu/}
+(it is covered by GPL) and install it prior to trying to install
GiNaC. The configure script checks if it can find it and if it cannot
it will refuse to continue.