travis: add initial support

Signed-off-by: Mike Frysinger <vapier@gmail.com>

.travis.yml

@@ -0,0 +1,24 @@
+# Travis build integration.
+# https://docs.travis-ci.com/
+
+language: c
+# Order here matters for implicit matrix generation and coverity scan.
+# See travis/main.sh for details.
+compiler:
+  - gcc
+  - clang
+
+sudo: false
+
+# Order here matters; see compiler comment above.
+os:
+  - linux
+#  - osx
+
+script: ./travis/main.sh
+
+addons:
+  apt:
+    packages:
+    - autoconf
+    - automake

travis/lib.sh

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+#!/bin/bash
+# Common funcs for working w/Travis.
+
+travis_fold() {
+	if [[ -n ${TRAVIS_OS_NAME} ]] ; then
+		printf 'travis_fold:%s:%s\r\n' "$@" | sed 's: :_:g'
+	fi
+}
+
+if [[ -n ${TRAVIS_OS_NAME} ]] ; then
+	whitebg=$(tput setab 7)
+	blackfg=$(tput setaf 0)
+	normal=$(tput sgr0)
+else
+	whitebg=
+	blackbg=
+	normal=
+fi
+v() {
+	local fold=""
+	case $1 in
+	--fold=*) fold=${1:7}; shift;;
+	esac
+	if [[ -n ${fold} ]] ; then
+		travis_fold start "${fold}"
+		echo "\$ $*"
+		"$@"
+		travis_fold end "${fold}"
+	else
+		echo "${whitebg}${blackfg}\$ $*${normal}"
+		"$@"
+	fi
+}
+
+ncpus=$(getconf _NPROCESSORS_ONLN)
+m() {
+	v make -j${ncpus} "$@"
+}

travis/main.sh

@@ -0,0 +1,10 @@
+#!/bin/bash -e
+# The main script for building/testing while under travis ci.
+# https://travis-ci.org/libgd/libgd
+
+. "${0%/*}"/lib.sh
+
+main() {
+	m distcheck
+}
+main "$@"