Sorry for the self-replies. * Ralf Wildenhues wrote on Sun, Jun 12, 2005 at 01:36:43PM CEST: > > * Christoph Egger wrote on Sun, Jun 12, 2005 at 01:16:32PM CEST: > > > > > > Recent changes in the libtool-2-0 branch causes an > > > infinite m4 loop. *snip* > Argh. Now I understand: it works with CVS Autoconf, but it breaks with > 2.59. D*mn. :(
Quick hack: define our own (fixed) versions of m4_car and m4_cdr, so we are independent of the Autoconf version used. Does anybody know a better solution? Regards, Ralf Index: m4/ltsugar.m4 =================================================================== RCS file: /cvsroot/libtool/libtool/m4/ltsugar.m4,v retrieving revision 1.2.2.2 diff -u -r1.2.2.2 ltsugar.m4 --- m4/ltsugar.m4 11 Jun 2005 11:12:28 -0000 1.2.2.2 +++ m4/ltsugar.m4 12 Jun 2005 11:59:02 -0000 @@ -32,6 +32,19 @@ ]) +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59 which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) + + # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of @@ -40,8 +53,8 @@ m4_define([lt_combine], [m4_if([$2], [], [], [lt_join(m4_quote(m4_default([$1], [, ])), - _$0([$1], m4_car($2)[$3], m4_shiftn(3, $@)), - $0([$1], m4_cdr($2), m4_shiftn(2, $@)))])]) + _$0([$1], lt_car($2)[$3], m4_shiftn(3, $@)), + $0([$1], lt_cdr($2), m4_shiftn(2, $@)))])]) m4_define([_lt_combine], [m4_if([$3], [], [], [lt_join(m4_quote(m4_default([$1], [, ])),