I'm experiencing what may be a similar bug using GHC 5.04.1 on RedHat
Linux.  The command line argument to a program invoked from my Haskell
program sometimes is unexpectedly empty, sometimes it contains a substring
of an environment variable's value, sometimes it contains the correct
argument string  ("7", in my current case).  I'm using the tar file form of
GHC
(<http://www.haskell.org/ghc/dist/5.04.1/ghc-5.04.1-i386-unknown-linux.tar.bz2>)
because I don't have the privilege to install the rpm form.

My system reports:

[heringto@sediment ~]$ uname -a
Linux sediment 2.4.2-2smp #1 SMP Sun Apr 8 20:21:34 EDT 2001 i686 unknown
[heringto@sediment ~]$ cat /etc/redhat-release
Red Hat Linux release 7.1 (Seawolf)

Am I likely to be suffering a similar problem to the one David Hughes
reported?  Any ideas on what I should do to solve it?

  -- Dean


Simon Marlow wrote:

> > I find it hard to see how a bug like this could get into a GHC
> > release, since it appears to break the build.  But, I don't know of
> > anything wrong with the platform I'm running it on, and in general my
> > setup looks okay (rpm --verify, etc).  So, does anyone reproduce this?
> >
> > I'm running GHC 5.04-1 installed from RPM on a RedHat 7.2 x86 box.
>
> This turns out to be an incompatibility between RedHat 7.2 and 7.3.  If
> you previously installed the 7.3 RPMs, then you might have more luck
> with the 7.2 RPMs which are now available from the GHC download page.

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