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| author | Herbert Valerio Riedel <hvr@gnu.org> | 2015-11-03 16:18:30 -0600 |
|---|---|---|
| committer | Austin Seipp <austin@well-typed.com> | 2015-11-03 16:18:33 -0600 |
| commit | 0e21678677894ed7cb236499ec6f2041efae22a2 (patch) | |
| tree | f552c985f4d8e1fc94dee3c7ebdc4025133a339c | |
| parent | 987d542749be3b53d8461fa5abb770f0b9d8ba5e (diff) | |
| download | haskell-0e21678677894ed7cb236499ec6f2041efae22a2.tar.gz | |
Cabal-level sanity check to enforce Cabal flag-invariant
This helps catch cabal-flag misconfiguration early on during `cabal
configure`, rather than much later in the build-process during
compilation.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D1423
| -rw-r--r-- | libraries/base/base.cabal | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libraries/base/base.cabal b/libraries/base/base.cabal index d98e7bfc00..e94d38949a 100644 --- a/libraries/base/base.cabal +++ b/libraries/base/base.cabal @@ -94,6 +94,11 @@ Library Unsafe build-depends: rts == 1.0.*, ghc-prim == 0.5.* + + -- sanity-check to ensure exactly one flag is set + if !((flag(integer-gmp) && !flag(integer-simple)) || (!flag(integer-gmp) && flag(integer-simple))) + build-depends: invalid-cabal-flag-settings<0 + if flag(integer-simple) build-depends: integer-simple >= 0.1.1 && < 0.2 |