On Sat, Aug 20, 2016 at 2:27 PM, Harendra Kumar <harendra.ku...@gmail.com> wrote:
> But "-optP" seems to only append to the flags that GHC already passes and > gcc has no "-no-traditional" option to undo the effect of the > "-traditional" that GHC has already passed. I think "-optP" should override > the flags passed by ghc rather than appending to them. Is there a reason > not to do that? > > Is there any other better way to achieve this? What is the standard way of > doing this if any? > Removing -traditional will break much Haskell source. Go look at the history of clang with ghc (clang doesn't do -traditional) to see what happens. (tl;dr: without -traditional, cpp knows too much about what constitutes valid C, and mangles and/or throws errors on valid Haskell that doesn't lex the way C does.) You might want to look at cpphs as an alternative preprocessor. There are some ancient K&R-era hacks that could be used if absolutely necessary, but cpphs should be a much simpler and cleaner solution. -- brandon s allbery kf8nh sine nomine associates allber...@gmail.com ballb...@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
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