Hello, * Eric Blake wrote on Sat, Apr 03, 2010 at 01:32:45AM CEST: > + Fix m4_cr_all for EBCDIC. > + * lib/m4sugar/m4sugar.m4 (m4_cr_all): Swap * and $, so that we > + don't end up with $* in EBCDIC. > + Reported by Steve Goetze. thanks for working on this! > --- i/lib/m4sugar/m4sugar.m4 > +++ w/lib/m4sugar/m4sugar.m4 > @@ -2192,13 +2192,16 @@ m4_defn([m4_cr_digits])dnl > # characters via m4_translit must deal with the fact that m4_translit does > # not add quotes to the output. > # > +# In EBCDIC, $ is immediately followed by *, which leads to problems > +# if m4_cr_all is inlined into a macro definition; so swap them. > +# > # It is mainly useful in generating inverted character range maps, for use > # in places where m4_translit is faster than an equivalent m4_bpatsubst; > # the regex `[^a-z]' is equivalent to: > # m4_translit(m4_dquote(m4_defn([m4_cr_all])), [a-z]) > m4_define([m4_cr_all], > m4_translit(m4_dquote(m4_format(m4_dquote(m4_for( > - ,1,255,,[[%c]]))m4_for([i],1,255,,[,i]))), [-])-) > + ,1,255,,[[%c]]))m4_for([i],1,255,,[,i]))), [$*-], [*$])-) Reading the patch, I wonder why the $* in the second argument to m4_translit does not ever get expanded to something undesirable? Thanks, Ralf _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
