Hopefully, these are my last ICA results before looking at a toolchain which doesn't initially link to /tools. The book is from 20060110 with mktemp back where it used to be, a sed for gccbug, and Greg's change to bison. Built three times, without locales or testsuites, all except the first build didn't have /tools on the path.

I was also keeping the perl source around each time (omitted from these results), but the only thing that showed up was a randomness in the RCS version info in the perl/x2p/{M,m}akefiles.

The total number of files is probably slightly more than from the book, I had backup copies of a couple of files to assist in my rerun process. The copies were extracted with --one-file-system, so only a minimal /dev.

Item   / builds being compared:   0-1     1-2

Files in only one build             3       0
Files compared                  18809   18812
unreadable                          0       0
identical                       17658   18100
expected to differ                  7       8
allowable                        1140     704
different                           4       0

 The files in question:

only in one build
 libhistory.so.5.1.old seems to be from updating in-place
 libreadline.so.5.1.old ditto
 /root/.viminfo (perhaps from running 'view')

expected to differ
 /root/.bash_history
 the two c++ precompiled headers
 libstdc++.a
 libstdc++.so.6.0.6
 libsupc++.a
 /usr/share/info/dir
 and, in second comparison, /root/.viminfo

different (between first two builds)
 libhistory.so.5 (symlink, points to .old after in-place rebuild)
 libreadline.so.5 (ditto)
 /usr/lib/libstdc++.la
 /usr/lib/libsupc++.la

Current issues:
 (i.) the libtool libraries from glibc.
 (ii.) for ELF files, after two builds most were accepted after
      stripping and/or tokenizing.  After three builds, most were
      identical and only a few were accepted after stripping and/or
      tokenizing.

Ken
--
 das eine Mal als Trag?die, das andere Mal als Farce
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