-ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
-# See "MSys Note 3" in compiler/Makefile
-INPLACE_SCRIPT=ghc-pkg-inplace.bat
-all::
- $(RM) -f $(INPLACE_SCRIPT)
- echo '@call $(subst /,\,$(FPTOOLS_TOP_ABS_PLATFORM)/utils/ghc-pkg/$(HS_PROG)) --global-conf $(FPTOOLS_TOP_ABS_PLATFORM)/driver/package.conf.inplace %*' >> $(INPLACE_SCRIPT)
- $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
-else
-INPLACE_SCRIPT=ghc-pkg-inplace
-all::
- $(RM) -f $(INPLACE_SCRIPT)
- echo "#!$(SHELL)" >> $(INPLACE_SCRIPT)
- echo "GHCPKGBIN=$(FPTOOLS_TOP_ABS)/utils/ghc-pkg/$(HS_PROG)" >> $(INPLACE_SCRIPT)
- echo "PKGCONF=$(FPTOOLS_TOP_ABS_PLATFORM)/driver/package.conf.inplace" >> $(INPLACE_SCRIPT)
- echo 'exec $$GHCPKGBIN --global-conf $$PKGCONF $${1+"$$@"}' >> $(INPLACE_SCRIPT)
- $(EXECUTABLE_FILE) $(INPLACE_SCRIPT)
-endif
-CLEAN_FILES += $(INPLACE_SCRIPT)
+# ghc-pkg-inplace used to be either a /bin/sh script, or a .bat script
+# on Windows. It is now a real binary, compiled from a tiny .hs
+# file. The problem with using scripts here was that the .bat script
+# cannot be executed by /bin/sh on MSYS (it can on Cygwin), but the
+# /bin/sh script cannot be executed by Cabal. So we would have needed
+# both. A single binary is therefore simpler.
+
+INPLACE_HS=ghc-pkg-inplace.hs
+INPLACE_PROG=ghc-pkg-inplace
+EXCLUDED_SRCS+=$(INPLACE_HS)
+
+$(INPLACE_HS): Makefile $(FPTOOLS_TOP)/mk/config.mk $(NOGLOB_O)
+ echo "import System.Cmd; import System.Environment; import System.Exit" > $@
+ echo "main = do args <- getArgs; rawSystem \"$(FPTOOLS_TOP_ABS)/$(GHC_PKG_DIR_REL)/$(HS_PROG)\" (\"--global-conf\":\"$(FPTOOLS_TOP_ABS)/driver/package.conf.inplace\":args) >>= exitWith" >> $@
+
+$(INPLACE_PROG): $(INPLACE_HS)
+ $(HC) --make $< -o $@ $(LD_OPTS) $(NOGLOB_O)
+
+all :: $(INPLACE_PROG)
+
+CLEAN_FILES += $(INPLACE_HS) $(INPLACE_PROG)