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Subject:	ocaml (camlp4) problem with text-mode /tmp
From:	Toby Allsopp <Toby DOT Allsopp AT navman DOT com>
Date:	Thu, 14 Apr 2005 07:25:42 +1200
Message-ID:	<kjull7miimh.fsf@NAV-AKL-WDG-292.newton.navman.com>
User-Agent:	Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (cygwin)
MIME-Version:	1.0
X-OriginalArrivalTime:	13 Apr 2005 19:25:48.0031 (UTC) FILETIME=[988B80F0:01C5405E]
Note-from-DJ:	This may be spam

It seems that compiling using ``ocamlc -pp camlp4o'' fails if /tmp is
mounted in text mode.  This seems to be because the output of camlp4o
is redirected to a file in /tmp and the text-mode conversion corrupts
it.

Attached is part of the ocaml-sqlite package that shows the problem on
my system if /tmp is mounted in text mode.  Here is what I tried and
the output I get:

$ ocamlc -verbose -pp camlp4o -c sqlite.ml
+ camlp4o 'sqlite.ml' > /tmp/camlpp76b2dc
Fatal error: exception Failure("input_value: integer too large")

The obvious work arounds are to mount /tmp in binary mode or to set
$TMPDIR to a directory that is mounted in binary mode, but it seems
that camlp4 should be setting its output file descriptor to binary
mode.

Toby.


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