SRC_CC_OPTS += -DTABLES_NEXT_TO_CODE
endif
-SRC_CC_OPTS += -I. -I../rts -I../gmp/gmpbuild
+SRC_CC_OPTS += -I. -I../rts
+ifeq "$(HaveLibGmp)" "YES"
+ifneq "$(GMP_INCLUDE_DIRS)" ""
+SRC_CC_OPTS += -I$(GMP_INCLUDE_DIRS)
+endif
+else
+SRC_CC_OPTS += -I../gmp/gmpbuild
+endif
ifneq "$(GhcWithSMP)" "YES"
SRC_CC_OPTS += -DNOSMP