--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ocaml-core.mk	Wed Jul 11 22:25:15 2012 +0200
@@ -0,0 +1,151 @@
+# This file is part of mingw-cross-env.
+# See doc/index.html for further information.
+
+# zlib
+PKG				:= ocaml-core
+$(PKG)_IGNORE	:=
+$(PKG)_CHECKSUM := 05125da055d39dd6fe8fe5c0155b2e9f55c10dfd
+$(PKG)_SUBDIR	:= ocaml-$($(PKG)_VERSION)
+$(PKG)_FILE		:= ocaml-$($(PKG)_VERSION).tar.gz
+$(PKG)_URL		:= http://caml.inria.fr/pub/distrib/ocaml-3.12/$($(PKG)_FILE)
+$(PKG)_DEPS		:= gcc ocaml-flexdll
+
+define $(PKG)_UPDATE
+	wget -q -O- 'http://caml.inria.fr/pub/distrib/ocaml-3.12' | \
+	$(SED) -n 's,.*ocaml-\([0-9][^>]*\)\.tar.*,\1,ip' | \
+	tail -1
+endef
+
+
+OTHER_LIBS := win32unix str num dynlink bigarray systhreads win32graph
+
+define $(PKG)_BUILD
+	# Build native ocamlrun and ocamlc which contain the
+	# filename-win32-dirsep patch.
+	#
+	# Note that we must build a 32 bit compiler, even on 64 bit build
+	# architectures, because this compiler will try to do strength
+	# reduction optimizations using its internal int type, and that must
+	# match Windows' int type.	(That's what -cc and -host are for).
+	cd '$(1)' && ./configure \
+	  -prefix '$(PREFIX)/$(TARGET)' \
+	  -bindir '$(PREFIX)/$(TARGET)/bin' \
+	  -libdir '$(PREFIX)/$(TARGET)/lib/ocaml' \
+	  -no-tk \
+	  -cc "gcc -m32" \
+	  -no-shared-libs \
+	  -host '$(TARGET)' \
+	  -x11lib /usr/lib \
+	  -verbose
+	$(MAKE) -C '$(1)' world
+	# Now move the working ocamlrun, ocamlc into the boot/ directory,
+	# overwriting the binary versions which ship with the compiler with
+	# ones that contain the filename-win32-dirsep patch.
+	$(MAKE) -C '$(1)' coreboot
+
+	####### patch mingw include
+	# Now patch utils/clflags.ml to hardcode mingw-specific include.
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" \
+		$(1)/hardcode_mingw_include.patch
+	cd '$(1)' && patch -p2 < hardcode_mingw_include.patch
+
+	####### prepare cross build
+	# Replace the compiler configuration (config/{s.h,m.h,Makefile})
+	# with ones as they would be on a 32 bit Windows system.
+	cp -f '$(1)/config/m-nt.h' '$(1)/config/m.h'
+	cp -f $(1)/config/s-nt.h $(1)/config/s.h
+	# config/Makefile is a custom one which we supply.
+	rm -f $(1)/config/Makefile
+	$(SED) \
+	  -e "s,@target2@,$(TARGET)-,g" \
+	  -e "s,@prefix@,$(PREFIX)/$(TARGET),g" \
+	  -e "s,@bindir@,$(PREFIX)/$(TARGET)/bin,g" \
+	  -e "s,@libdir2@,$(PREFIX)/$(TARGET)/lib,g" \
+	  -e "s,@libdir@,$(PREFIX)/$(TARGET)/lib/ocaml,g" \
+	  -e "s,@otherlibraries@,$(OTHER_LIBS),g" \
+	  -e "s,@flexdir@,$(PREFIX)/$(TARGET)/include,g" \
+	  < $(1)/Makefile-mingw.in > $(1)/config/Makefile
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" $(1)/otherlibs/str/Makefile
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" $(1)/otherlibs/num/Makefile
+	# We're going to build in otherlibs/win32unix and otherlibs/win32graph
+	# directories, but since they would normally only be built under
+	# Windows, they only have the Makefile.nt files.  Just symlink
+	# Makefile -> Makefile.nt for these cases.
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" $(1)/otherlibs/win32unix/Makefile.nt
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" $(1)/otherlibs/win32graph/Makefile.nt
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" $(1)/otherlibs/bigarray/Makefile.nt
+	$(SED) -i "s,@libdir@,$(PREFIX)/$(TARGET)/lib,g" $(1)/otherlibs/systhreads/Makefile.nt
+	for d in $(1)/otherlibs/win32unix \
+			 $(1)/otherlibs/win32graph \
+			 $(1)/otherlibs/bigarray \
+			 $(1)/otherlibs/systhreads; do \
+				 ln -sf Makefile.nt $$d/Makefile; \
+	done
+	# Now clean the temporary files from the previous build.  This
+	# will also cause asmcomp/arch.ml (etc) to be linked to the 32 bit
+	# i386 versions, essentially causing ocamlopt to use the Win/i386 code
+	# generator.
+	$(MAKE) -C '$(1)' partialclean
+	# We need to remove any .o object for make sure they are
+	# recompiled later..
+	cd $(1) && rm byterun/*.o
+
+	####### build mingw ocaml
+	# Just rebuild some small bits that we need for the following
+	# 'make opt' to work.  Note that 'make all' fails here.
+	$(MAKE) -C '$(1)/byterun' libcamlrun.a
+	$(MAKE) -C '$(1)' ocaml ocamlc
+	$(MAKE) -C '$(1)/stdlib'
+	$(MAKE) -C '$(1)/tools' ocamlmklib
+	# Build ocamlopt
+	$(MAKE) -C '$(1)' opt
+	# Now build otherlibs for ocamlopt
+	cd '$(1)' && \
+	  for i in $(OTHER_LIBS); do \
+		$(MAKE) -C otherlibs/$$i clean; \
+		$(MAKE) -C otherlibs/$$i all; \
+		$(MAKE) -C otherlibs/$$i allopt; \
+	done
+
+	####### installation
+	mkdir -p $(PREFIX)/$(TARGET)/lib/ocaml/threads
+	mkdir -p $(PREFIX)/$(TARGET)/lib/ocaml/stublibs
+	$(MAKE) -C '$(1)/byterun' \
+		BINDIR=$(PREFIX)/$(TARGET)/bin \
+		LIBDIR=$(PREFIX)/$(TARGET)/lib/ocaml \
+		install
+	$(MAKE) -C '$(1)/stdlib' \
+		BINDIR=$(PREFIX)/$(TARGET)/bin \
+		LIBDIR=$(PREFIX)/$(TARGET)/lib/ocaml \
+		install
+	for i in $(OTHER_LIBS); do \
+		$(MAKE) -C $(1)/otherlibs/$$i \
+			BINDIR=$(PREFIX)/$(TARGET)/bin \
+			LIBDIR=$(PREFIX)/$(TARGET)/lib/ocaml \
+			install; \
+	done
+	$(MAKE) -C '$(1)/tools' \
+		BINDIR=$(PREFIX)/$(TARGET)/bin \
+		LIBDIR=$(PREFIX)/$(TARGET)/lib/ocaml \
+		install
+	$(MAKE) -C '$(1)' \
+		BINDIR=$(PREFIX)/$(TARGET)/bin \
+		LIBDIR=$(PREFIX)/$(TARGET)/lib/ocaml \
+		installopt
+	cd $(1) && $(INSTALL) -m 0755 ocamlc $(PREFIX)/$(TARGET)/bin
+	cd $(1) && cp \
+	  toplevel/topstart.cmo \
+	  typing/outcometree.cmi typing/outcometree.mli \
+	  toplevel/toploop.cmi toplevel/toploop.mli \
+	  toplevel/topdirs.cmi toplevel/topdirs.mli \
+	  toplevel/topmain.cmi toplevel/topmain.mli \
+	  $(PREFIX)/$(TARGET)/lib/ocaml
+	# Rename all the binaries to target-binary
+	for f in ocamlc ocamlcp ocamlrun ocamldep ocamlmklib ocamlmktop ocamlopt ocamlprof; do \
+	  cp -f $(PREFIX)/$(TARGET)/bin/$$f $(PREFIX)/bin/$(TARGET)-$$f; \
+	done
+
+	# test
+	cp '$(2).ml' '$(1)/test.ml'
+	cd '$(1)' && '$(TARGET)-ocamlopt' test.ml
+endef