-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 According to william pursell on 5/8/2007 2:53 PM: > Being fairly new to autoconf, I would like to get some > feedback on my first thought for a solution. In particular, > I suspect that my approach is not good, but I'd love > to hear opinions on why it is not advisable: > > exec 6> /dev/null > AC_CHECK_DECL(printf) > exec 6>& 1 You have no idea if 6 is the fd that autoconf is currently using without inspecting the undocumented internals of autoconf, so your code is very fragile and likely to break if autoconf changes its implementation. Writing your own test using AC_COMPILE_IFELSE is more robust, because it sticks to documented interfaces. - -- Don't work too hard, make some time for fun as well! Eric Blake ebb9@xxxxxxx -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (Cygwin) Comment: Public key at home.comcast.net/~ericblake/eblake.gpg Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGQRKs84KuGfSFAYARAkuhAJ9mmFl7ekNsVGv8AjmFR6I9QI7EOACgjVj7 ggiYfCuuQWfsjp633SZXGro= =Tnpq -----END PGP SIGNATURE----- _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
