Added autoconf.

Makefile.am

@@ -0,0 +1,90 @@
+ACLOCAL_AMFLAGS = -I m4
+LOCAL_OCPBUILD=./ocp-build/ocp-build
+OCPBUILD ?= $(LOCAL_OCPBUILD)
+SRC_EXT=src_ext
+TARGETS = opam opam-mk-repo opam-repo-convert-0.3
+
+.PHONY: all
+
+all: $(LOCAL_OCPBUILD) META
+	$(MAKE) clone
+	$(MAKE) compile
+
+scan: $(LOCAL_OCPBUILD)
+	$(OCPBUILD) -scan
+sanitize: $(LOCAL_OCPBUILD)
+	$(OCPBUILD) -sanitize
+byte: $(LOCAL_OCPBUILD)
+	$(OCPBUILD) -byte
+opt: $(LOCAL_OCPBUILD)
+	$(OCPBUILD) -asm
+
+$(LOCAL_OCPBUILD): ocp-build/ocp-build.boot ocp-build/win32_c.c
+	$(MAKE) -C ocp-build
+
+compile: $(LOCAL_OCPBUILD)
+	$(OCPBUILD) -init -scan -sanitize $(TARGET)
+
+clone:
+	$(MAKE) -C $(SRC_EXT)
+
+clean:
+	rm -rf _obuild
+	rm -rf src/*.annot bat/*.annot
+	rm -f opam
+	rm -f ocp-build.*
+	$(MAKE) -C $(SRC_EXT) clean
+	$(MAKE) -C ocp-build clean
+
+distclean: clean
+	rm -f *.tar.gz *.tar.bz2
+	rm -rf _obuild _build
+	$(MAKE) -C $(SRC_EXT) distclean
+
+.PHONY: tests
+
+tests:
+	$(MAKE) -C tests all
+
+tests-rsync:
+	$(MAKE) -C tests rsync
+
+tests-git:
+	$(MAKE) -C tests git
+
+%-install:
+	cp _obuild/$*/$*.asm $(prefix)/bin/$*
+
+PRODUCT_VERSION=$(shell grep "let version" src/globals.ml | cut -f 2 -d \")
+META: META.in
+	sed 's/@VERSION@/$(PRODUCT_VERSION)/g' < $< > $@
+
+.PHONY: install
+install:
+	mkdir -p $(prefix)/bin
+	$(MAKE) $(TARGETS:%=%-install)
+	mkdir -p $(mandir)/man1 && cp doc/man/* $(mandir)/man1
+
+uninstall:
+	rm -f $(prefix)/bin/opam*
+	rm -f $(mandir)/man1/opam*
+
+doc: compile
+	mkdir -p doc/html/
+	ocamldoc \
+	  -I _obuild/opam-lib -I _obuild/cudf -I _obuild/dose \
+	  -I _obuild/bat -I _obuild/unix -I _obuild/extlib \
+	  -I _obuild/arg -I _obuild/graph \
+	  src/*.mli -html -d doc/html/
+	$(MAKE) -C doc/man-src
+
+trailing:
+	find src -name "*.ml*" -exec \
+	  sed -i xxx -e :a -e "/^\n*$$/{$$d;N;ba" -e '}' {} \;
+	find src -name "*xxx" -exec rm {} \;
+
+archive:
+	echo $(ARCHIVES)
+	$(MAKE) distclean
+	$(MAKE) clone
+	tar cz $(wildcard src_ext/*.tar.gz) > opam-extfiles.1.tar.gz