Hi Eric, Thanks for the help, but... > > AM_CONDITIONAL([LIBUNISTRING_]AS_TR_CPP([$1]), [true]) > > AM_CONDITIONAL([LIBUNISTRING_]AS_TR_CPP([[$1]]), [true]) This does not work either: $ autoconf configure.ac:11: error: AC_SUBST: `LIBUNISTRING_undesired substitution_TRUE' is not a valid shell variable name aclocal.m4:125: AM_CONDITIONAL is expanded from... configure.ac:6: MYCOND is expanded from... configure.ac:11: the top level I get the impression that AS_TR_CPP is removing more quotes than it should. Bruno _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf