[interpreter] Makefile support for opam releases

Author: rossberg

interpreter/Makefile

@@ -206,3 +206,13 @@ install:	_build/$(LIB).cmx _build/$(LIB).cmo
 
 uninstall:
 		ocamlfind remove $(LIB)
+
+opam-release/%:
+		git tag opam-$*
+		git push --tags
+		wget https://github.com/WebAssembly/spec/archive/opam-$*.zip
+		cp meta/opam/opam .
+		sed s/@VERSION/$*/g opam >opam.tmp
+		sed s/@MD5/`md5 -q opam-$*.zip`/g opam.tmp >opam
+		rm opam.tmp
+		echo Created file ./opam, submit to github opam-repository/packages/wasm/wasm.$*/opam

interpreter/meta/opam/opam

@@ -0,0 +1,22 @@
+opam-version: "2.0"
+maintainer: "Andreas Rossberg <rossberg@mpi-sws.org>"
+authors: "Andreas Rossberg <rossberg@mpi-sws.org>"
+homepage: "https://github.com/WebAssembly/spec"
+bug-reports: "https://github.com/WebAssembly/spec/issues"
+license: "Apache-2.0"
+dev-repo: "git+https://github.com/WebAssembly/spec.git"
+build: [
+  [make "-C" "interpreter" "opt" "unopt"]
+]
+install: [make "-C" "interpreter" "install"]
+depends: [
+  "ocaml" {>= "4.12.0"}
+  "ocamlfind" {build}
+  "ocamlbuild" {build}
+]
+synopsis:
+  "Library to read and write WebAssembly (Wasm) files and manipulate their AST"
+url {
+  src: "https://github.com/WebAssembly/spec/archive/opam-@VERSION.zip"
+  checksum: "md5=@MD5"
+}