* Sam Steingold wrote on Tue, Sep 28, 2010 at 08:28:16PM CEST: > On Tue, Sep 28, 2010 at 1:30 PM, Ralf Wildenhues wrote: > > - $ac_configure_args must be corrected for sub configures: --srcdir > > needs adjustment, --cache-file too, some args may need to be pruned. > > yes, I pass --srcdir & --cache-file myself. > how do I prune them from ac_configure_args? Take a look at the AC_CONFIG_SUBDIRS/_AC_OUTPUT_SUBDIRS sources in status.m4; feel free to ask for details if things are not clear. > > AC_INIT and AC_CONFIG_SUBDIRS currently share this task. > > is this functionality exported in some way? Not other than through these macros, sorry. > > - $ac_configure_args is not documented; but realizing that it is used in > > several third-party packages, changing it without good reason is not > > likely to happen. The documented way to get at configure args is to > > save "$@" very soon after AC_INIT. > > so, is there a reason to use ac_configure_args instead of $@? > how are they different? The positional parameters are overwritten by some macros. ac_configure_args is quoted in a way such that it reproduces the configure arguments when eval'ed. This is important for arguments containing white space, or a single quote, for example. Cheers, Ralf _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
