Enable Travis-CI build on osx

.travis-ci.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+set -ex
+
+
+case $TRAVIS_OS_NAME in
+    linux)
+        # build dependencies
+        sudo apt-get install ocaml-nox camlp4-extra ocaml-findlib
+
+        # optional dependencies for running tests and building docs
+        sudo apt-get install libprotoc-dev protobuf-compiler pandoc
+
+        echo OCaml version
+        ocaml -version
+        ;;
+
+    osx)
+        # build dependencies
+        brew install opam
+
+        # optional dependencies for running tests
+        brew install protobuf
+
+        echo OCaml version
+        ocaml -version
+
+        echo OPAM versions
+        opam --version
+        opam --git-version
+
+        export OPAMYES=1
+        rm -rf ~/.opam
+
+        opam init
+        eval `opam config env`
+        opam install ocamlfind camlp4
+        ;;
+esac
+
+
+./configure
+make deps
+make
+
+make -C tests
+
+make -C doc html #test
+
+
+# ex: sw=4 ts=4 et

.travis.yml

@@ -1,9 +1,8 @@
 language: c
-script: "./travis-ci"
-before_install:
-    - sudo apt-get install ocaml-nox camlp4-extra libfindlib-ocaml-dev
-    - sudo apt-get install libprotoc-dev protobuf-compiler pandoc
-
+script: ./.travis-ci.sh
+os:
+  - linux
+  - osx
 branches:
   only:
     - master