Simon Josefsson wrote: > For example, in GnuTLS, I recently received a patch that added a > configure-time warning about missing non-required tools: > > AC_PATH_PROG([GAA], [gaa]) > if test "x$GAA" = "x"; then > AC_MSG_WARN([[*** > *** GAA was not found. It is only needed if you wish to modify > *** the source code or command-line description files. In this case, > *** you may want to get it from http://gaa.sourceforge.net/ > ***]]) > fi
Such a warning has the potential to confuse many tarball users, or have them spend time to install tools that they won't need in the end. Also, AC_PROG_YACC doesn't do this. It simply prints one line of output, like most other autoconf tests. Bruno
