Peter, > how about the following alternative (for all conditionals, or just for some > of them, e.g., those under the regime of AM_IGNORE_UNDEFINED_CONDITIONALS): > Replace the AC_MSG_ERROR() above by a warning and set both $1_TRUE and > $1_FALSE to something that, when not hidden in a false branch of the > Makefile, (1) triggers a make syntax error, and (2) contains sufficient info > to deduce the cause for that error.
Sounds good. But gnulib would also need a way to disable the warning, because otherwise the maintainers of packages that use gnulib come back to me and ask how they can get rid of the warning. Bruno -- In memoriam Lamana Ould Bou <http://fr.wikipedia.org/wiki/Lamana_Ould_Bou>
