Hi there, there are problems with ginac.m4 and cln.m4 with autoconf 2.52 and following (the nature of the problems and their cure is described in autoconf's documentation). Please find enclosed a patch that solves everything. All the best Roberto -- Prof. Roberto Bagnara Computer Science Group Department of Mathematics, University of Parma, Italy http://www.cs.unipr.it/~bagnara/ mailto:bagnara@cs.unipr.it diff -rcp2N old/cln.m4 new/cln.m4 *** old/cln.m4 Wed Feb 20 08:43:47 2002 --- new/cln.m4 Wed Feb 20 08:42:33 2002 *************** dnl AC_PATH_CLN([MINIMUM-VERSION, [ACTIO *** 11,15 **** dnl Test for installed CLN library, and define CLN_CPPFLAGS and CLN_LIBS dnl ! AC_DEFUN(AC_PATH_CLN, [dnl dnl Get the cppflags and libraries from the cln-config script --- 11,15 ---- dnl Test for installed CLN library, and define CLN_CPPFLAGS and CLN_LIBS dnl ! AC_DEFUN([AC_PATH_CLN], [dnl dnl Get the cppflags and libraries from the cln-config script diff -rcp2N old/ginac.m4 new/ginac.m4 *** old/ginac.m4 Wed Feb 20 08:43:17 2002 --- new/ginac.m4 Wed Feb 20 08:42:33 2002 *************** *** 8,15 **** # Shamelessly stolen from Owen Taylor ! dnl AM_PATH_GINAC([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) dnl Test for GiNaC, and define GINACLIB_CPPFLAGS and GINACLIB_LIBS dnl ! AC_DEFUN(AM_PATH_GINAC, [dnl dnl Get the cppflags and libraries from the ginac-config script --- 8,15 ---- # Shamelessly stolen from Owen Taylor ! dnl AC_PATH_GINAC([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) dnl Test for GiNaC, and define GINACLIB_CPPFLAGS and GINACLIB_LIBS dnl ! AC_DEFUN([AC_PATH_GINAC], [dnl dnl Get the cppflags and libraries from the ginac-config script