[dropping automake-patches] On 01/22/2011 05:45 AM, Ralf Wildenhues wrote: > automake/tests/fn99{,subdir}.test have been long-time failures on > AIX 5.[123], but not 6.1 or newer (and IIRC not 4.3.3 either): > http://autobuild.josefsson.org/automake/log-201101181921915482000.txt > > | + make distcheck > | make dist-gzip am__post_remove_distdir='@:' > | { test ! -d "fn99-1.0" || { find "fn99-1.0" -type d ! -perm -200 > -exec chmod u+w {} ';' && rm -fr "fn99-1.0"; }; } > | test -d "fn99-1.0" || mkdir "fn99-1.0" > | cp: 8???: A file or directory in the path name does not exist. > | make: 1254-004 The error code from the last command is 1. > > I finally got myself to look at this a bit, and playing around with > various directory depths and whether there are files in them, I can only > come to the conclusion that this system's cp -R is simply unusable as it > corrupts its memory depending on the source tree layout. I've even got > it to dump core.
Ouch. > docs: do not use AIX 5.3 cp -R. > > * doc/autoconf.texi (Limitations of Usual Tools): Document one > instance of the cp -R bug on AIX 5.3. This seems to have been > fixed in 6.1 and newer releases. > > diff --git a/doc/autoconf.texi b/doc/autoconf.texi > index 4cb3a8c..eee4ba7 100644 > --- a/doc/autoconf.texi > +++ b/doc/autoconf.texi > @@ -18065,7 +18065,16 @@ Avoid the @option{-r} option, since Posix > 1003.1-2004 marks it as > obsolescent and its behavior on special files is implementation-defined. > Use @option{-R} instead. On GNU hosts the two options > are equivalent, but on Solaris hosts (for example) @code{cp -r} > -reads from pipes instead of replicating them. > +reads from pipes instead of replicating them. AIX 5.3 @code{cp -R} may > +corrupt its own memory with some directory hierarchies and error out or > +dump core: > + > +@example > +@kbd{mkdir -p 12345678/12345678/12345678/12345678} > +@kbd{touch 12345678/12345678/x} > +@kbd{cp -R 12345678 t} > +cp: 0653-440 12345678/12345678/: name too long. > +@end example Does 'cp -r' fare any better (not that it's a good solution, because it can hang on pipes)? At any rate, this is fine for the autoconf manual. -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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