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-rw-r--r--libraries/integer-gmp/integer-gmp.cabal5
1 files changed, 4 insertions, 1 deletions
diff --git a/libraries/integer-gmp/integer-gmp.cabal b/libraries/integer-gmp/integer-gmp.cabal
index 5d2f89039c..52834bb4ea 100644
--- a/libraries/integer-gmp/integer-gmp.cabal
+++ b/libraries/integer-gmp/integer-gmp.cabal
@@ -60,7 +60,10 @@ library
UnliftedFFITypes
build-depends: ghc-prim ^>= 0.5.1.0
hs-source-dirs: src/
- ghc-options: -this-unit-id integer-gmp -Wall
+ -- We need to set the unit ID to integer-wired-in
+ -- (without a version number) as it's magic.
+ -- See Note [The integer library] in PrelNames
+ ghc-options: -this-unit-id integer-wired-in -Wall
cc-options: -std=c99 -Wall
include-dirs: include