[xmonad] Enabling -fwarn-tabs for commit test (for contrib)
spencerjanssen at gmail.com
Tue Jun 23 23:32:36 EDT 2009
On Tue, Jun 23, 2009 at 11:08:32PM -0400, Adam Vogt wrote:
> I want to add '-fwarn-tabs' to the warnings run when testing patches? (and
> clean up the couple uses of tabs).
> The warning is documented in ghc-6.8, missing in ghc-6.6 (but it could still be
> there?), ghc-6.6 does not support the current darcs contrib, due to various
> pragmas in use, such as -XDeriveDataTypeable, among others.
> Changing the -fglasgow-exts flags to more specific pragmas should carry the
> same risks too.
I think we were waiting on -fwarn-tabs until we stopped supporting 6.6. Now
that we've done that we should absolutely activate -fwarn-tabs.
In the case of -fglasgow-exts, do be careful. I think there were some bugs
between 6.8 and 6.10 and extension flags.
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