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-rw-r--r--rts/ghc.mk6
1 files changed, 6 insertions, 0 deletions
diff --git a/rts/ghc.mk b/rts/ghc.mk
index 5bd830da6f..f25f2f9b75 100644
--- a/rts/ghc.mk
+++ b/rts/ghc.mk
@@ -543,6 +543,12 @@ rts_PACKAGE_CPP_OPTS += '-DFFI_LIB="C$(LIBFFI_NAME)"'
endif
+ifeq "$(UseLibdw)" "YES"
+rts_PACKAGE_CPP_OPTS += -DLIBDW_LIB_DIR=$(LibdwLibDir)
+else
+rts_PACKAGE_CPP_OPTS += -DLIBDW_LIB_DIR=
+endif
+
# -----------------------------------------------------------------------------
# dependencies