Enable support for Travis CI and Appveyor

.travis.yml

@@ -1,33 +1,15 @@
 language: c
+install: wget https://raw.githubusercontent.com/ocaml/ocaml-ci-scripts/master/.travis-docker.sh
+script: bash -ex .travis-docker.sh
+services:
+- docker
 env:
-  - OCAML_VERSION=4.02.3
-  - OCAML_VERSION=4.04.2
-  - OCAML_VERSION=4.05.0
-  - OCAML_VERSION=4.05.0+flambda
-  - OCAML_VERSION=4.06.0
-addons:
-  apt:
-    sources:
-      - avsm
-    packages:
-      - opam
-# Caching may take a lot of space with so many ocaml versions
-#cache:
-#  directories:
-#    - $HOME/.opam
-before_install:
-  # Some opam boilerplate
-  - export OPAMYES=1
-  - export OPAMVERBOSE=1
-  - opam init
-  - opam switch ${OCAML_VERSION}
-  - eval `opam config env`
-install:
-  # Install dependencies
-  - opam pin add --no-action containers .
-  - opam install jbuilder base-bytes result
-  - opam install --deps-only containers
-script:
-  - make build
-  - opam install sequence qcheck qtest gen
-  - make test
+  global:
+  - PINS="containers:."
+  - DISTRO="ubuntu-16.04"
+  matrix:
+  - PACKAGE="containers" OCAML_VERSION="4.02.3" DEPOPTS="base-threads base-unix"
+  - PACKAGE="containers" OCAML_VERSION="4.03.0" DEPOPTS="base-threads base-unix"
+  - PACKAGE="containers" OCAML_VERSION="4.04.2" DEPOPTS="base-threads base-unix"
+  - PACKAGE="containers" OCAML_VERSION="4.05.0" DEPOPTS="base-threads base-unix"
+  - PACKAGE="containers" OCAML_VERSION="4.06.0" DEPOPTS="base-threads base-unix"

appveyor.yml

@@ -0,0 +1,23 @@
+platform:
+- x86
+environment:
+  global:
+    FORK_USER: ocaml
+    FORK_BRANCH: master
+    CYG_ROOT: C:\cygwin64
+    PINS: containers:.
+  matrix:
+  - OPAM_SWITCH: 4.02.3+mingw64c
+    PACKAGE: containers
+  - OPAM_SWITCH: 4.03.0+mingw64c
+    PACKAGE: containers
+  - OPAM_SWITCH: 4.04.2+mingw64c
+    PACKAGE: containers
+  - OPAM_SWITCH: 4.05.0+mingw64c
+    PACKAGE: containers
+  - OPAM_SWITCH: 4.06.0+mingw64c
+    PACKAGE: containers
+install:
+- ps: iex ((new-object net.webclient).DownloadString("https://raw.githubusercontent.com/$env:FORK_USER/ocaml-ci-scripts/$env:FORK_BRANCH/appveyor-install.ps1"))
+build_script:
+- call %CYG_ROOT%\bin\bash.exe -l %APPVEYOR_BUILD_FOLDER%\appveyor-opam.sh