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-rw-r--r--src/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/Makefile b/src/Makefile
index dd2fa1b1b..d88e59dbe 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -46,6 +46,9 @@ ifneq ("$(LDFLAGS)","")
GHCFLAGS += -optl'$(LDFLAGS)'
endif
+ifeq ("$(INTERRUPT)","yes")
+ GHCFLAGS += -DUSE_INTERRUPT
+endif
ifeq ("$(ENABLE_JAVA)", "yes")
BUILD_JAR=jar