use custom ghc.

input-output-hk · Dec 27, 2021 · 8e2ef73 · 8e2ef73
1 parent 969d630
commit 8e2ef73
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/overlays/patches/ghc/ghc-prim-linux-extra-libraries.patch b/overlays/patches/ghc/ghc-prim-linux-extra-libraries.patch
@@ -0,0 +1,16 @@
+diff --git a/libraries/ghc-prim/ghc-prim.cabal b/libraries/ghc-prim/ghc-prim.cabal
+index a95f1ecaa8..4866490899 100644
+--- a/libraries/ghc-prim/ghc-prim.cabal
++++ b/libraries/ghc-prim/ghc-prim.cabal
+@@ -66,6 +66,11 @@ Library
+         --         on Windows. Required because of mingw32.
+         extra-libraries: user32, mingw32, mingwex
+
++    if os(linux)
++        -- we need libm, but for musl and other's we might need libc, as libm
++        -- is just an empty shell.
++        extra-libraries: c, m
++
+     c-sources:
+         cbits/atomic.c
+         cbits/bswap.c