# -----------------------------------------------------------------------------
# hsc2hs script
-ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-extra_flags=$(addprefix --cflag=,$(filter-out -O,$(SRC_CC_OPTS)))
-endif
-HSC2HS_INPLACE_EXTRA=--cc=$(CC) --ld=$(CC) $(extra_flags) --cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt) -I$(FPTOOLS_TOP_ABS_PLATFORM)/$(GHC_INCLUDE_DIR_REL)
+INPLACE_HS=hsc2hs-inplace.hs
+INPLACE_PROG=hsc2hs-inplace
+EXCLUDED_SRCS+=$(INPLACE_HS)
+
+# FPTOOLS_TOP_ABS platform uses backslashes, at least on Cygwin, but that
+# will go wrong when we use it in a Haskell string below.
+TOP_ABS=$(subst \\,/,$(FPTOOLS_TOP_ABS_PLATFORM))
ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-# See "MSys Note 3" in compiler/Makefile
-INPLACE_SCRIPT=hsc2hs-inplace.bat
-FULL_INPLACE_PATH=$(subst /,\,$(FPTOOLS_TOP_ABS_PLATFORM)/utils/hsc2hs/)
-all::
- $(RM) -f $(INPLACE_SCRIPT)
- echo '@call $(FULL_INPLACE_PATH)$(HS_PROG) ----template=$(FULL_INPLACE_PATH)template-hsc.h $(HSC2HS_INPLACE_EXTRA) %*' >> $(INPLACE_SCRIPT)
- $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
+extra_flags=$(addprefix --cflag=,$(filter-out -O,$(SRC_CC_OPTS)))
else
-INPLACE_SCRIPT=hsc2hs-inplace
-all::
- $(RM) -f $(INPLACE_SCRIPT)
- echo "#!$(SHELL)" >> $(INPLACE_SCRIPT)
- echo "HSC2HS_BINDIR=$(FPTOOLS_TOP_ABS)/$(GHC_HSC2HS_DIR_REL)" >> $(INPLACE_SCRIPT)
- echo "HSC2HS_DIR=$(FPTOOLS_TOP_ABS_PLATFORM)/$(GHC_HSC2HS_DIR_REL)" >> $(INPLACE_SCRIPT)
- echo "HS_PROG=$(HS_PROG)" >> $(INPLACE_SCRIPT)
- echo "HSC2HS_EXTRA=$(HSC2HS_INPLACE_EXTRA)" >> $(INPLACE_SCRIPT)
- cat hsc2hs.sh >> $(INPLACE_SCRIPT)
- $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
+extra_flags=
endif
-CLEAN_FILES += $(INPLACE_SCRIPT)
+
+$(INPLACE_HS): Makefile $(FPTOOLS_TOP)/mk/config.mk
+ echo "import System.Cmd; import System.Environment; import System.Exit" > $@
+ echo "main = do args <- getArgs; rawSystem \"$(TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/$(HS_PROG)\" (\"--template=$(TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/template-hsc.h\":\"--cc=$(CC)\":\"--ld=$(CC)\"$(patsubst %,:\"%\",$(extra_flags)):\"--cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt)\":\"-I$(TOP_ABS)/$(GHC_INCLUDE_DIR_REL)\":\"-I$(TOP_ABS)/gmp/gmpbuild\":args) >>= exitWith" >> $@
+
+$(INPLACE_PROG): $(INPLACE_HS)
+ $(HC) --make $< -o $@
+
+all :: $(INPLACE_PROG)
+
+CLEAN_FILES += $(INPLACE_HS) $(INPLACE_PROG)
ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
INSTALL_PROGS += $(HS_PROG)