make hc-file-bundle snags

[Arthur van Leeuwen]

Hello,

while trying to build the hc files for Solaris on Solaris I hit a couple 
of snags. The line
    make hc-file-bundle Project=Ghc
that is present in the building guide fails, as the project needs to be
called `ghc' not `Ghc'. Furthermore, the for-loop that then collects
the .hsc files fails as well, as the if in the loop is interpreted
differently in Solaris' /bin/sh than it is in e.g. bash. Finally the
target hc-file-bundle assumes tar is GNU tar, i.e. accepts the z option.
This is not the case for Solaris tar.

Thought you might want to know. :)

Doei, Arthur.

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