diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | bin/autoupdate.in | 4 |
2 files changed, 8 insertions, 1 deletions
@@ -1,5 +1,10 @@ 2008-07-21 Eric Blake <ebb9@byu.net> + Ignore undefined macros, necessary with m4 1.6. + * bin/autoupdate.in (_au___undefine): New macro,... + (_au__undefine): ...wrapped by ifdef to silence m4 warnings. + Reported by Ralf Wildenhues. + Resync with gnulib. * GNUmakefile: Grab from upstream, to fix issue where 'make install' would allow installation of stale version string. diff --git a/bin/autoupdate.in b/bin/autoupdate.in index 3a01af78..644de19c 100644 --- a/bin/autoupdate.in +++ b/bin/autoupdate.in @@ -267,8 +267,10 @@ foreach my $file (@ARGV) # Define our special macros: define([_au__defn], defn([defn])) define([_au__divert], defn([divert])) + define([_au__ifdef], defn([ifdef])) define([_au__include], defn([include])) - define([_au__undefine], defn([undefine])) + define([_au___undefine], defn([undefine])) + define([_au__undefine], [_au__ifdef([$1], [_au___undefine([$1])])]) define([_au__save], [m4_ifdef([$1], [m4_copy([$1], [_au_$1])])]) define([_au__restore], [_au_m4_ifdef([_au_$1], |