Add a TravisCI and opam file

.travis.yml

@@ -0,0 +1,60 @@
+dist: trusty
+sudo: required
+language: generic
+
+services:
+  - docker
+
+env:
+  global:
+  - PACKAGE_NAME="smart-print"
+  matrix:
+  - OCAML_VERSION="4.02" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.03" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.04" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.05" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.06" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.07" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.08" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.09" SHOULD_SUPPORT="true"
+  - OCAML_VERSION="4.10" SHOULD_SUPPORT="true"
+
+install: |
+  # Prepare the Docker container
+  docker pull ocaml/opam2:${OCAML_VERSION}
+  docker run -d -i --init --name=CONTAINER -v ${TRAVIS_BUILD_DIR}:/home/project -w /home/project ocaml/opam2:${OCAML_VERSION}
+  docker exec CONTAINER /bin/bash --login -c "
+    # This bash script is double-quoted to interpolate Travis CI env vars:
+    echo \"Build triggered by ${TRAVIS_EVENT_TYPE}\"
+    export PS4='+ \e[33;1m(\$0 @ line \$LINENO) \$\e[0m '
+    set -ex  # -e = exit on failure; -x = trace for debug
+    (cd /home/opam/opam-repository && git pull)
+    opam update
+    opam pin add ${PACKAGE_NAME}.opam . --kind=path --no-action
+    opam config list
+    opam repo list
+    opam pin list
+    opam list
+    " install
+script:
+- echo -e "${ANSI_YELLOW}Building...${ANSI_RESET}" && echo -en 'travis_fold:start:script\\r'
+- |
+  docker exec CONTAINER /bin/bash --login -c "
+    export PS4='+ \e[33;1m(\$0 @ line \$LINENO) \$\e[0m '
+    set -ex
+    whoami
+    sudo chown -R opam:opam /home/project
+    export OPAMWITHTEST=true
+    # Check if the package is compatible with the current environment
+    if [ "${SHOULD_SUPPORT}" = "true" ] || opam install ${PACKAGE_NAME} --show-action; then
+      # First, install the dependencies
+      sudo apt-get update
+      opam depext ${PACKAGE_NAME} -y
+      opam install ${PACKAGE_NAME} --deps-only -y
+      opam list
+      # Then, install the package itself in verbose mode
+      opam install ${PACKAGE_NAME} -v
+    fi;
+    " script
+- docker stop CONTAINER  # optional
+- echo -en 'travis_fold:end:script\\r'

smart-print.opam

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+opam-version: "2.0"
+version: "dev"
+
+maintainer: "[email protected]"
+authors: ["Guillaume Claret <[email protected]>"]
+homepage: "https://github.com/clarus/smart-print"
+bug-reports: "https://github.com/clarus/smart-print/issues"
+license: "BSD-3-Clause"
+
+depends: [
+  "ocaml" {>= "4.00.0"}
+  "ocamlfind" {build}
+  "ocamlbuild" {build}
+]
+build: make
+dev-repo: "git://github.com/clarus/smart-print"
+install: [make "install"]
+synopsis: "A pretty-printing library in OCaml"