Am getting the following error when I try and make GiNac, the configure step has worked ok, please see below. Regards Alex Baker. Configuration of GiNaC done. Now type "make". root@treebeard:/home/bakera/inglethorpe/ginac/GiNaC# make cd . \ && CONFIG_FILES= CONFIG_HEADERS=config.h \ /bin/bash ./config.status config.status: creating config.h config.status: config.h is unchanged make all-recursive make[1]: Entering directory `/home/bakera/inglethorpe/ginac/GiNaC' Making all in ginac make[2]: Entering directory `/home/bakera/inglethorpe/ginac/GiNaC/ginac' @LIBTOOL@ --mode=compile g++ -DHAVE_CONFIG_H -I. -I. -I.. /usr/local/lib -g -O2 -c add.cpp /bin/bash: line 1: @LIBTOOL@: command not found make[2]: *** [add.lo] Error 127 make[2]: Leaving directory `/home/bakera/inglethorpe/ginac/GiNaC/ginac' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/bakera/inglethorpe/ginac/GiNaC' make: *** [all-recursive-am] Error 2 -- Mobile: 07788 872118 Blog: www.alexfb.com