> hi, > I am novice in using autoconf tools.. > Could you tell me why I am getting these errors.. > autoheader-2.53 > configure.in:8: warning: do not use m4_patsubst: use > patsubst or m4_bpatsubst > configure.in:17: warning: AC_PROG_LEX invoked multiple > times > configure.in:67: warning: do not use m4_regexp: use > regexp or m4_bregexp > I would rally apprciate ur help Just do what the message says: don't use these macros, or track at line 8 for instance, the macro that uses old macros, and report to the authors of those macros that they should upgrade.