If Cabal itself is a dependency, then you can use the MIN_VERSION_Cabal macro. That'll only work if your build script is built via cabal, because it generates cabal_macros.h . Another approach would be to rely on GHC_PACKAGE_PATH being accurate (or if the global db is used), and run "ghc-pkg field Cabal version". -Michael On Fri, Jun 17, 2016 at 4:14 PM, aditya siram wrote:

Hi all, I have a non-trivial build script that I'm trying to make compatible with Cabal 1.22 and Cabal 1.24. So far the only macro I can find that helps me determine which version I'm using is __GLASGOW_HASKELL__. Is there a better one?

Thanks! -deech

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