Fix OCaml-CI (#115)

* Add a test command and test dependency to the opam file

* The internal tools only compile in OCaml >= 4.10 (uses compiler-libs)

* opam: Add missing constraint (uses cinaps.runtime)

* Disable dune formatting

* Travis: Disable the tests (can't be run in OCaml < 4.04)

Co-authored-by: Sonja Heinze <[email protected]>

.travis.yml

@@ -8,6 +8,7 @@ env:
   global:
     - PACKAGE="ocaml-migrate-parsetree"
     - PRE_INSTALL_HOOK="cd /home/opam/opam-repository && git pull origin master && opam update -u -y"
+    - TESTS=false
   matrix:
     - DISTRO=alpine OCAML_VERSION=4.02.3
     - DISTRO=alpine OCAML_VERSION=4.03.0

dune-project

@@ -1,4 +1,5 @@
-(lang dune 1.11)
+(lang dune 2.3)
 (name ocaml-migrate-parsetree)
+(formatting disabled)
 (allow_approximate_merlin)
 (using cinaps 1.0)

ocaml-migrate-parsetree.opam

@@ -10,12 +10,12 @@ bug-reports: "https://github.com/ocaml-ppx/ocaml-migrate-parsetree/issues"
 dev-repo: "git+https://github.com/ocaml-ppx/ocaml-migrate-parsetree.git"
 doc: "https://ocaml-ppx.github.io/ocaml-migrate-parsetree/"
 tags: [ "syntax" "org:ocamllabs" ]
-build: [
-  ["dune" "build" "-p" name "-j" jobs]
-]
+build: ["dune" "build" "-p" name "-j" jobs]
+run-test: ["dune" "runtest" "-p" name "-j" jobs]
 depends: [
-  "dune" {>= "1.11"}
+  "dune" {>= "2.3"}
   "ocaml" {>= "4.02.3" & < "4.13"}
+  "cinaps" {with-test & >= "v0.13.0"}
 ]
 synopsis: "Convert OCaml parsetrees between different versions"
 description: """

tools/dune

@@ -1,5 +1,19 @@
-(executables
- (names add_special_comments pp gencopy)
+(executable
+ (name pp)
+ (modules pp pp_rewrite)
+ (flags :standard -w -3))
+
+(executable
+ (name gencopy)
+ (enabled_if (>= %{ocaml_version} 4.10))
+ (modules gencopy)
+ (libraries compiler-libs.common compiler-libs.bytecomp)
+ (flags :standard -w -3))
+
+(executable
+ (name add_special_comments)
+ (enabled_if (>= %{ocaml_version} 4.10))
+ (modules add_special_comments)
  (libraries compiler-libs.common compiler-libs.bytecomp)
  (flags :standard -w -3))