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Re: m4 1.4.11 test failures

From: Eric Blake
Subject: Re: m4 1.4.11 test failures
Date: Wed, 09 Apr 2008 22:07:10 -0600
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According to Rick Genter on 4/9/2008 2:33 PM:
| I just downloaded and installed m4 1.4.11. When I run 'make check' 2 of
| the 47 tests fail: test-fseeko.sh and test-ftello.sh.
| What other information do you need to diagnose this?

You failed to mention what platform and compiler this was this on.
Several people have reported this type of failure, on various platforms,
and the root cause has always been that lib/fseeko.c and friends have not
been correctly ported to that platform's non-POSIX stdio library yet.
Some patches have already been added to gnulib in the meantime; you may
want to try downloading my latest snapshot of the branch-1.6 head, to see
if things are better:

(Even though the version shows as 1.4.10b.22-be55, it will become the
eventual m4 1.6)

At any rate, those failures probably don't impact m4's behavior (the
gnulib tests cover more stdio corner cases than what m4 uses, in
particular with behavior after random ungetc); to find out for sure, run
'make -k', and if all of the second batch of tests pass, then m4 1.4.11 is
safe to install in spite of the 2 failures in the first batch of tests.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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