Update to Ubuntu Trusty image and build verbs provider in Travis CI

Use distro libibverbs and librdmacm packages. Move to latest
Ubuntu Trusty image so that we can build the verbs provider.

Signed-off-by: Arun C Ilango <[email protected]>

.travis.yml

@@ -1,3 +1,4 @@
+dist: trusty
 sudo: false
 language: c
 compiler:
@@ -11,6 +12,7 @@ addons:
         packages:
             - rpm
             - libibverbs-dev
+            - librdmacm-dev
             - libnl-3-200
             - libnl-3-dev
             - libnl-route-3-200
@@ -19,13 +21,6 @@ addons:
         - www.openfabrics.org
         - git.kernel.org
 
-# NOTE: The librdmacm-dev package in the "precise" Ubuntu image that
-# we use at Travis does not have <rdma/rsocket.h> that the verbs
-# provider needs (it's too old).  If we move to a newer Ubuntu image
-# that has a newer librdmacm-dev package, it may have
-# <rdma/rsocket.h>, and you can --enable-verbs in the
-# LIBFABRIC_CONFIGURE_OPTIONS.
-
 env:
     global:
         - PREFIX=$HOME/install
@@ -41,15 +36,19 @@ before_install:
 
 install:
     - ./autogen.sh
-    - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then LIBRARY_CONFIGURE_ARGS="$LIBFABRIC_CONFIGURE_ARGS --enable-usnic"; fi
+    # Build verbs only in linux as OS X doesn't have verbs support
+    - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then LIBRARY_CONFIGURE_ARGS="$LIBFABRIC_CONFIGURE_ARGS --enable-usnic --enable-verbs"; fi
     - if [[ "$TRAVIS_OS_NAME" == "linux" && "`basename $CC`" == "clang" ]]; then ./configure CFLAGS="-Werror $CFLAGS" $LIBFABRIC_CONFIGURE_ARGS --enable-debug && make -j2; fi
+    # Test fabric direct
     - ./configure --prefix=$PREFIX --enable-direct=sockets --enable-udp=no --enable-psm=no --enable-gni=no --enable-psm2=no --enable-verbs=no --enable-usnic=no --enable-rxm=no --enable-rxd=no
     - make -j2
+    # Test loadable library option
     - ./configure --enable-sockets=dl --disable-udp --disable-rxm --disable-rxd --disable-verbs --disable-usnic --prefix=$PREFIX
     - make -j2
     - make install
     - make test
     - rm -rf $PREFIX
+    # Test regular build
     - ./configure $LIBFABRIC_CONFIGURE_ARGS
     - make -j2
     - make install