How MD are .hi files?
marlowsd at gmail.com
Wed May 14 06:35:36 EDT 2008
Matthias Kilian wrote:
> for an unregisterised ghc-6.8.2 (or newer), are the .hi files
> dependent (except for the 32 vs. 64 bit word size)? I had a quick
> look at the stuff in compiler/iface, but the only MD part I found
> was that 32/64 bit difference.
The word size is probably the only dependency, but there are many reasons
that you can't just take the .hc/.hi files generated by an unregisterised
build on one machine and expect them to work on another machine.
First, you have to watch out for conditional compilation in the original
Haskell source file. For example, if the .hs file contains something like
#ifdef mingw32_HOST_OS, then the .hc and .hi files will both be
Windows-only. There are certainly many instances of this in the libraries
Another problem is the configuration information that gets into the build
via the autoconf scripts. Things like the size of C types in
Foreign.C.Types, or the errno values in Foreign.C.Error might be different
on the target machine.
I hope I've managed to understand your question correctly... if not please
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