Travis CI: add MacOS target and create scripts files

.ci/before_install.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -eux
+
+if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
+	sudo apt-get update
+	sudo apt-get -y install debhelper
+	bash .ci/build-openssl.sh > build-deps.log 2>&1 || (cat build-deps.log && exit 1)
+elif [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
+	brew update && brew upgrade openssl
+else
+	exit 1
+fi

.ci/build-openssl.sh

@@ -1,20 +1,20 @@
-#!/bin/sh
+#!/bin/bash
 set -eux
 
 download_openssl () {
-    if [ ! -f "download-cache/openssl-${OPENSSL_VERSION}.tar.gz" ]; then
+    if [[ ! -f "download-cache/openssl-${OPENSSL_VERSION}.tar.gz" ]]; then
         wget -P download-cache/ \
             "https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz"
     fi
 }
 
 build_openssl () {
-    if [ "$(cat ${PREFIX}/.openssl-version)" != "${OPENSSL_VERSION}" ]; then
+    if [[ "$(cat ${OPENSSL_INSTALL_DIR}/.openssl-version)" != "${OPENSSL_VERSION}" ]]; then
         tar zxf "download-cache/openssl-${OPENSSL_VERSION}.tar.gz"
         cd "openssl-${OPENSSL_VERSION}/"
-        ./config shared --prefix="${PREFIX}" --openssldir="${PREFIX}" -DPURIFY
+        ./config shared --prefix="${OPENSSL_INSTALL_DIR}" --openssldir="${OPENSSL_INSTALL_DIR}" -DPURIFY
         make all install_sw
-        echo "${OPENSSL_VERSION}" > "${PREFIX}/.openssl-version"
+        echo "${OPENSSL_VERSION}" > "${OPENSSL_INSTALL_DIR}/.openssl-version"
     fi
 }
 

.ci/script.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -eux
+
+if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
+	export LD_LIBRARY_PATH="${HOME}/opt/lib:${LD_LIBRARY_PATH:-}"
+	export CFLAGS="-I${HOME}/opt/include"
+	export LDFLAGS="-L${HOME}/opt/lib"
+	./configure
+	make
+	ldd bin/vpnserver/vpnserver
+	dh build-arch
+elif [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
+	./configure
+	make
+else
+	exit 1
+fi

.travis.yml

@@ -1,19 +1,10 @@
 sudo: required
-dist: trusty
-
-os: linux
-
-addons:
-  apt:
-    packages: [ debhelper ]
 
 language: c
 
 env:
   global:
-    - PREFIX="${HOME}/opt"
-    - CFLAGS="-I${PREFIX}/include"
-    - LDFLAGS="-L${PREFIX}/lib"
+    - OPENSSL_INSTALL_DIR="${HOME}/opt"
 
 matrix:
   include:
@@ -29,16 +20,18 @@ matrix:
     - env: OPENSSL_VERSION="1.1.0f"
       os: linux
       compiler: clang
+    - os: osx
+      compiler: gcc
+    - os: osx
+      compiler: clang
 
 cache:
   directories:
   - download-cache
   - ${HOME}/opt
 
+before_install:
+  - bash .ci/before_install.sh
+
 script:
-  - .ci/build-openssl.sh > build-deps.log 2>&1 || (cat build-deps.log && exit 1)
-  - export LD_LIBRARY_PATH="${PREFIX}/lib:${LD_LIBRARY_PATH:-}"
-  - ./configure
-  - make
-  - ldd bin/vpnserver/vpnserver
-  - dh build-arch
+  - bash .ci/script.sh