Joachim Breitner <m...@joachim-breitner.de> writes: > [Deliberately restricting my reply to one mailing list. Cross-posting > is usually not required.] > > Hi, > > Am Sonntag, den 14.02.2016, 19:51 +0100 schrieb Sven Panne: >> As stated on the Wiki, stuff in -Wcompat will often be non- >> actionable, > > you omitted the important “if backwards compatibility is desired;”. The > sometimes complicated hoops that you will have to jump through to gain > 3-release-backward-compatibility are not something I expect every > developer to follow, and for most others, “adjust early to API changes” > will more likely be the sensible thing to do. Those might want to leave > -Wcompat in their builds. > Couldn't have said it better myself. Ubiquitous usage of -Wall isn't a problem; it's when users begin to assume that the behavior of -Wall (which nominally includes *all* warnings supported by GHC) will remain stable across releases that the trouble begins.
Cheers, - Ben
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