Merge pull request #575 from BillyDonahue/master

travis continuous integration

.travis.yml

+# Build matrix / environment variable are explained on:
+# http://about.travis-ci.org/docs/user/build-configuration/
+# This file can be validated on:
+# http://lint.travis-ci.org/
+# See also
+# http://stackoverflow.com/questions/22111549/travis-ci-with-clang-3-4-and-c11/30925448#30925448
+# to allow C++11, though we are not yet building with -std=c++11
+
+install:
+# /usr/bin/gcc is 4.6 always, but gcc-X.Y is available.
+- if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
+# /usr/bin/clang is our version already, and clang-X.Y does not exist.
+#- if [ "$CXX" = "clang++" ]; then export CXX="clang++-3.7" CC="clang-3.7"; fi
+- echo ${PATH}
+- ls /usr/local
+- ls /usr/local/bin
+- export PATH=/usr/local/bin:/usr/bin:${PATH}
+- echo ${CXX}
+- ${CXX} --version
+- which valgrind
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - gcc-4.9
+    - g++-4.9
+    - clang
+    - valgrind
+os:
+  - linux
+language: cpp
+compiler:
+  - gcc
+  - clang
+script: ./travis.sh
+env:
+  matrix:
+    - SHARED_LIB=ON  STATIC_LIB=ON CMAKE_PKG=ON  BUILD_TYPE=release VERBOSE_MAKE=false
+    - SHARED_LIB=OFF STATIC_LIB=ON CMAKE_PKG=OFF BUILD_TYPE=debug   VERBOSE_MAKE=true VERBOSE
+notifications:
+  email: false
+sudo: false

travis.sh

+#!/usr/bin/env sh
+# This is called by `.travis.yml` via Travis CI.
+# Travis supplies $TRAVIS_OS_NAME.
+#  http://docs.travis-ci.com/user/multi-os/
+# Our .travis.yml also defines:
+#   - SHARED_LIB=ON/OFF
+#   - STATIC_LIB=ON/OFF
+#   - CMAKE_PKG=ON/OFF
+#   - BUILD_TYPE=release/debug
+#   - VERBOSE_MAKE=false/true
+#   - VERBOSE (set or not)
+
+# -e: fail on error
+# -v: show commands
+# -x: show expanded commands
+set -vex
+
+env | sort
+
+cmake -DJSONCPP_WITH_CMAKE_PACKAGE=$CMAKE_PKG -DBUILD_SHARED_LIBS=$SHARED_LIB -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_VERBOSE_MAKEFILE=$VERBOSE_MAKE .
+make
+
+# Python is not available in Travis for osx.
+#  https://github.com/travis-ci/travis-ci/issues/2320
+if [ "$TRAVIS_OS_NAME" != "osx" ]
+then
+  make
+  # valgrind --error-exitcode=42 --leak-check=full ./src/test_lib_json/jsoncpp_test
+fi