I posted on the bug tracker earlier about doing this and now I am actually
attempting it.
I went to darcs.haskell.org/packages/ and decided arbitrarily to start
with Data.Map, which I copied into the packages/ directory in yhc.
When I compile it complains about #if preprocessor statements, which
enclose GHC specific code and could be commented out but also there is an
#include and what looks like a macro that might actually be important.
As I understand it the preprocessor is turned off in yhc (thus the error).
As far as I can tell nothing else in packages/ uses preprocessor
directives.
Possibilities:
1) I should enable -cpp specifically for this file or globally for all of
yhc, or just for packages/. (I'm not entirely sure how to get scons to do
this but I need to take time and read the scons docs.)
2) I should remove and work around the preprocessor directives. If I
start making changes how does yhc keep in sync with any changes that are
made to the base packages upstream?
3) It doesn't matter. I should do whatever makes me happy.
Please advise. Thanks.
--Lane
(Submitting this a second time because I snagged the moderation filter the
first time.)
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