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-rw-r--r--compiler/ghc.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/ghc.mk b/compiler/ghc.mk
index 887f91b280..0e53ca5e62 100644
--- a/compiler/ghc.mk
+++ b/compiler/ghc.mk
@@ -500,7 +500,10 @@ $(foreach way,$$(compiler_stage3_WAYS),\
compiler/prelude/PrimOp_HC_OPTS += -fforce-recomp
# LibFFI.hs #includes ffi.h
+ifneq "$(UseSystemLibFFI)" "YES"
compiler/stage2/build/LibFFI.hs : $(libffi_HEADERS)
+endif
+
# On Windows it seems we also need to link directly to libffi
ifeq "$(HostOS_CPP)" "mingw32"
define windowsDynLinkToFfi