Hello Sergio, * Sergio Belkin wrote on Sat, Oct 30, 2010 at 11:55:17PM CEST: > I've autoconfiscated a project that link against libresolv and > libtpthread, and optionally against ssl, mysqlclient and pq. I am > working on Fedora 13 (i686). > > I've found a macro AX_EXT_HAVE_LIB > (http://www.gnu.org/software/autoconf-archive/ax_ext_have_lib.html) > that "is identical to AC_SEARCH_LIBS with the exception that will add > -L<directory> when looking, and use a different variable for each > directory. " It seems great for me! > > The problem is that at the end only take the last library found, in my > case "pq". > > It seems that macro override the earlier value of "LIBS" variable. This looks like a bug in the AX_EXT_HAVE_LIB macro to me, as it is documented to only add to LIBS but not remove existing entries. > I've examined the configure script but it's a bit tricky, you may > read a snippet about the macro on http://pastebin.com/vHKYp0UR > > I've tried modifying macro, replacing the final LIBS="$new_libs" por > LIBS="$new_libs $LIBS" which you may read on > http://pastebin.com/DNCCfgnU > > But now LIBS ends as: '-lpq -lmysqlclient -lssl -lpthread -lresolv > -lssl -lpthread -lresolv ' > > It seems harmless but it's too ugly, isn't it? Not necessarily. I suggest you report this to the autoconf-archive-maintainers list, or their bug tracker, so that the macro can be fixed. Cheers, Ralf _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
