ci: introduce Travis builds for GitHub repositories

GitHub is a service used by developers to store repositories.  GitHub
provides service integrations that allow 3rd party services to access
developer repositories and perform actions.  One of these services is
Travis-CI, a simple continuous integration platform.

This series introduces the ability for any github mirrors of the DPDK
project, including developer mirrors, to kick off builds under the
travis CI infrastructure.  For now, this just means compilation - no
other kinds of automated run exists yet.  In the future, this can be
expanded to execute and report results for any test-suites that might
exist.

This is a simple initial implementation of a travis build for the DPDK
project.  It doesn't require any changes from individual developers to
enable, but will allow those developers who opt-in to GitHub and the
travis service to get automatic builds for every push they make.

The files added under .ci/ exist so that in the future, other CI
support platforms (such as cirrus, appveyor, etc.) could have a common
place to put their requisite scripts without polluting the main tree.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Michael Santana <msantana@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

.ci/linux-build.sh

@@ -0,0 +1,24 @@
+#!/bin/sh -xe
+
+on_error() {
+    if [ $? = 0 ]; then
+        exit
+    fi
+    FILES_TO_PRINT="build/meson-logs/testlog.txt build/.ninja_log build/meson-logs/meson-log.txt"
+
+    for pr_file in $FILES_TO_PRINT; do
+        if [ -e "$pr_file" ]; then
+            cat "$pr_file"
+        fi
+    done
+}
+trap on_error EXIT
+
+if [ "$AARCH64" = "1" ]; then
+    # convert the arch specifier
+    OPTS="$OPTS --cross-file config/arm/arm64_armv8_linuxapp_gcc"
+fi
+
+OPTS="$OPTS --default-library=$DEF_LIB"
+meson build --werror -Dexamples=all $OPTS
+ninja -C build

.ci/linux-setup.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+python3 -m pip install --upgrade meson --user

.travis.yml

@@ -0,0 +1,99 @@
+language: c
+compiler:
+  - gcc
+  - clang
+
+dist: xenial
+
+os:
+  - linux
+
+addons:
+  apt:
+    update: true
+    packages: &required_packages
+      - [libnuma-dev, linux-headers-$(uname -r), python3-setuptools, python3-wheel, python3-pip, ninja-build]
+
+aarch64_packages: &aarch64_packages
+  - *required_packages
+  - [gcc-aarch64-linux-gnu, libc6-dev-arm64-cross]
+
+extra_packages: &extra_packages
+  - *required_packages
+  - [libbsd-dev, libpcap-dev, libcrypto++-dev, libjansson4]
+
+before_install: ./.ci/${TRAVIS_OS_NAME}-setup.sh
+
+sudo: false
+
+env:
+  - DEF_LIB="static"
+  - DEF_LIB="shared"
+  - DEF_LIB="static" OPTS="-Denable_kmods=false"
+  - DEF_LIB="shared" OPTS="-Denable_kmods=false"
+
+matrix:
+  include:
+  - env: DEF_LIB="static" OPTS="-Denable_kmods=false" AARCH64=1
+    compiler: gcc
+    addons:
+      apt:
+        packages:
+          - *aarch64_packages
+  - env: DEF_LIB="shared" OPTS="-Denable_kmods=false" AARCH64=1
+    compiler: gcc
+    addons:
+      apt:
+        packages:
+          - *aarch64_packages
+  - env: DEF_LIB="static"
+    compiler: gcc
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="shared"
+    compiler: gcc
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="static" OPTS="-Denable_kmods=false"
+    compiler: gcc
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="shared" OPTS="-Denable_kmods=false"
+    compiler: gcc
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="static"
+    compiler: clang
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="shared"
+    compiler: clang
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="static" OPTS="-Denable_kmods=false"
+    compiler: clang
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+  - env: DEF_LIB="shared" OPTS="-Denable_kmods=false"
+    compiler: clang
+    addons:
+      apt:
+        packages:
+          - *extra_packages
+
+
+script: ./.ci/${TRAVIS_OS_NAME}-build.sh

MAINTAINERS

@@ -119,6 +119,12 @@ F: config/rte_config.h
 F: buildtools/gen-pmdinfo-cfile.sh
 F: buildtools/symlink-drivers-solibs.sh
 
+Public CI
+M: Aaron Conole <aconole@redhat.com>
+M: Michael Santana <msantana@redhat.com>
+F: .travis.yml
+F: .ci/
+
 ABI versioning
 M: Neil Horman <nhorman@tuxdriver.com>
 F: doc/guides/rel_notes/deprecation.rst

doc/guides/contributing/patches.rst

@@ -32,6 +32,10 @@ The mailing list for DPDK development is `dev@dpdk.org <http://mails.dpdk.org/ar
 Contributors will need to `register for the mailing list <http://mails.dpdk.org/listinfo/dev>`_ in order to submit patches.
 It is also worth registering for the DPDK `Patchwork <http://patches.dpdk.org/project/dpdk/list/>`_
 
+If you are using the GitHub service, you can link your repository to
+the ``travis-ci.org`` build service.  When you push patches to your GitHub
+repository, the travis service will automatically build your changes.
+
 The development process requires some familiarity with the ``git`` version control system.
 Refer to the `Pro Git Book <http://www.git-scm.com/book/>`_ for further information.