+ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
+ghc_501_at_least = $(shell if (test $(CANON_HC_VERSION) -gt 5000); then echo YES; else echo NO; fi)
+
+# -----------------------------------------------
+# GHCi calls the C procedure 'system', but alas GHC 4.08's
+# implementation of this (in the library System) didn't work
+# properly on Windows. Everything is fine if you are compiling
+# GHC with GHC 5.01 or better, but lacking that we have the following
+# hack:
+# copy system.c from lib/std (where it is correct)
+# into main/system.c (where it'll be compiled and
+# linked with the compiler)
+
+ifneq "$(ghc_501_at_least)" "YES"
+C_SRCS += main/system.c
+SRC_CC_OPTS += -I$(GHC_LIB_DIR)/std/cbits
+SRC_MKDEPENDC_OPTS += -I$(GHC_LIB_DIR)/std/cbits
+HS_OBJS += main/system.o
+
+main/system.c : ../lib/std/cbits/system.c
+ $(CP) ../lib/std/cbits/system.c main
+endif