Add cmake to ci

.travis.yml

@@ -20,6 +20,8 @@ before_install:
     - make
     - sudo make install
     - popd
+    # Load cached docker images
+    - if [[ -d $HOME/docker ]]; then ls $HOME/docker/*.tar.gz | xargs -I {file} sh -c "zcat {file} | docker load"; fi
 addons:
     apt:
         packages:
@@ -32,6 +34,9 @@ addons:
 script:
     - ./autogen.sh
     - ./configure && make
+    # Test cmake using our builder
+    - cd docker/build && docker build -f builder.Dockerfile -t builder . && cd -
+    - docker run --rm -it -v $PWD:/src -w /src builder sh -c /src/docker/build/dockerbuild.sh && echo yes
 branches:
     only:
         - master
@@ -41,3 +46,19 @@ notifications:
     email:
         on_success: change
         on_failure: always
+
+# Use cache to speedup next build
+services:
+  - docker
+
+before_cache:
+  # Save tagged docker images
+  - >
+    mkdir -p $HOME/docker && docker images -a --filter='dangling=false' --format '{{.Repository}}:{{.Tag}} {{.ID}}'
+    | xargs -n 2 -t sh -c 'test -e $HOME/docker/$1.tar.gz || docker save $0 | gzip -2 > $HOME/docker/$1.tar.gz'
+
+cache:
+  bundler: true
+  directories:
+    - $HOME/docker
+

docker/build/builder.Dockerfile

@@ -0,0 +1,8 @@
+# Alpine with China mirror
+FROM alpine
+MAINTAINER wener <wenermail@gmail.com>
+
+# Better for cache and dev
+RUN apk add --no-cache --virtual .build-deps \
+    alpine-sdk cmake \
+    linux-headers libev-dev libsodium-dev mbedtls-static mbedtls-dev pcre-dev udns-dev

docker/build/dockerbuild.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -e
+set -o xtrace
+
+cmake -DBUILD_STATIC=OFF . && make && make install