+# Make sure we can get hold of regex.h
+ifneq "$(HavePosixRegex)" "YES"
+SRC_HC_OPTS += -Icbits/regex
+SRC_HSC2HS_OPTS += -Icbits/regex
+endif
+
+# -----------------------------------------------------------------------------
+# Per-module flags
+
+# ESSENTIAL, for getting reasonable performance from the I/O library:
+SRC_HC_OPTS += -funbox-strict-fields
+
+# -----------------------------------------------------------------------------
+# PrimOpWrappers
+
+GHC/PrimopWrappers.hs: $(GHC_COMPILER_DIR)/prelude/primops.txt
+ @$(RM) $@
+ $(GHC_GENPRIMOP) --make-haskell-wrappers < $< > $@
+
+boot :: GHC/PrimopWrappers.hs
+
+EXTRA_SRCS += GHC/PrimopWrappers.hs
+CLEAN_FILES += GHC/PrimopWrappers.hs
+
+#-----------------------------------------------------------------------------
+# Building the library for GHCi
+#
+# The procedure differs from that in fptools/mk/target.mk in one way:
+# (*) on Win32 we must split it into two, because a single .o file can't
+# have more than 65536 relocations in it [due to a bug in the GNU
+# linker.]
+
+OBJECT_FILEFORMAT=unknown
+ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
+OBJECT_FILEFORMAT=PEi
+endif
+ifeq "$(TARGETPLATFORM)" "i386-unknown-cygwin32"
+OBJECT_FILEFORMAT=PEi
+endif
+
+ifeq "$(OBJECT_FILEFORMAT)" "PEi"
+
+# Turn off standard rule which creates HSbase.o from LIBOBJS.
+DONT_WANT_STD_GHCI_LIB_RULE=YES
+
+GHCI_LIBOBJS = $(HS_OBJS)
+
+INSTALL_LIBS += HSbase1.o HSbase2.o HSbase3.o
+
+endif # OBJECT_FILEFORMAT = PEi