Try to fix travis

.travis.yml

@@ -1,53 +1,55 @@
 sudo: false
 language: cpp
+dist: bionic
+os: linux
+
+# NB. boost installation/vars copied from main rippled travis config
 
 env:
   global:
-    - LLVM_VERSION=3.8.0
-    # Maintenance note: to move to a new version
-    # of boost, update both BOOST_ROOT and BOOST_URL.
-    # Note that for simplicity, BOOST_ROOT's final
-    # namepart must match the folder name internal
-    # to boost's .tar.gz.
-    - LCOV_ROOT=$HOME/lcov
-    - BOOST_ROOT=$HOME/boost_1_67_0
-    - BOOST_URL='http://sourceforge.net/projects/boost/files/boost/1.67.0/boost_1_67_0.tar.gz'
+    - LLVM_VERSION=6.0.0
+    - CACHE_DIR=${TRAVIS_HOME}/_cache
+    - BOOST_ROOT=${CACHE_DIR}/boost_1_71_0
+    # this is NOT used by linux container based builds (which already have boost installed)
+    - BOOST_URL='https://dl.bintray.com/boostorg/release/1.71.0/source/boost_1_71_0.tar.bz2'
+    # Alternate dowload location
+    - BOOST_URL2='https://downloads.sourceforge.net/project/boost/boost/1.71.0/boost_1_71_0.tar.bz2?r=&ts=1594393912&use_mirror=newcontinuum'
+    # Travis downloader doesn't seem to have updated certs. Using this option
+    # introduces obvious security risks, but they're Travis's risks.
+    # Note that this option is only used if the "normal" build fails.
+    - BOOST_WGET_OPTIONS='--no-check-certificate'
 
 addons:
   apt:
     sources: ['ubuntu-toolchain-r-test']
     packages:
-      - gcc-5
-      - g++-5
-      - python-software-properties
-      - protobuf-compiler
-      - libprotobuf-dev
+      - gcc-8
+      - g++-8
       - libssl-dev
-      - libstdc++6
-      - binutils-gold
       - cmake
-      - lcov
-      - gdb
 
 matrix:
   include:
-    - compiler: gcc
-      env:
-      - GCC_VER=5
+    - compiler: gcc-8
+    env:
+      - CC=/usr/bin/gcc-8
+      - CXX=/usr/bin/g++-8
+      - GCC_VER=8
       - BUILD_TYPE=Debug
       - PARALLEL_TESTS='false'
-      - CMAKE_EXTRA_ARGS='-Werr=ON -Dcoverage=ON -DLIBPPDEMO_DOWNLOAD_RIPPLED=ON'
+      - CMAKE_EXTRA_ARGS='-Werr=ON -Dcoverage=ON'
       - PATH=$PWD/cmake/bin:$PATH
       - APP=ripplelibppdemo
 
 cache:
+  timeout: 10
   directories:
-  - $BOOST_ROOT
-
-notifications:
-  email:
-    false
-  irc:
-    channels:
-      - "chat.freenode.net#ripple-dev"
+    - $CACHE_DIR
+
+install:
+  - travis_wait ${MAX_TIME_MIN} ./scripts/install_boost.sh
+
+script:
+  - cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBoost_DEBUG=ON -DBOOST_ROOT=$BOOST_ROOT -DLIBPPDEMO_DOWNLOAD_RIPPLED=ON $CMAKE_EXTRA_ARGS .
+  - cmake --build build --config $BUILD_TYPE .
 

scripts/install_boost.sh

@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+# Assumptions:
+# 1) BOOST_ROOT and BOOST_URL are already defined,
+# and contain valid values. BOOST_URL2 may be defined
+# as a fallback. BOOST_WGET_OPTIONS may be defined with
+# retry options if the download(s) fail on the first try.
+# 2) The last namepart of BOOST_ROOT matches the
+# folder name internal to boost's .tar.gz
+# When testing you can force a boost build by clearing travis caches:
+# https://travis-ci.org/ripple/rippled/caches
+set -exu
+
+odir=$(pwd)
+: ${BOOST_TOOLSET:=msvc-14.1}
+
+if [[ -d "$BOOST_ROOT/lib" || -d "${BOOST_ROOT}/stage/lib" ]] ; then
+    echo "Using cached boost at $BOOST_ROOT"
+    exit
+fi
+
+#fetch/unpack:
+fn=$(basename -- "$BOOST_URL")
+ext="${fn##*.}"
+wopt="--quiet"
+wget ${wopt} $BOOST_URL -O /tmp/boost.tar.${ext} || \
+  ( [ -n "${BOOST_URL2}" ] && \
+    wget ${wopt} $BOOST_URL2 -O /tmp/boost.tar.${ext} ) || \
+  ( [ -n "${BOOST_WGET_OPTIONS}" ] &&
+    ( wget ${wopt} ${BOOST_WGET_OPTIONS} $BOOST_URL -O /tmp/boost.tar.${ext} || \
+      ( [ -n "${BOOST_URL2}" ] && \
+        wget ${wopt} ${BOOST_WGET_OPTIONS} $BOOST_URL2 -O /tmp/boost.tar.${ext} )
+    )
+  )
+cd $(dirname $BOOST_ROOT)
+rm -fr ${BOOST_ROOT}
+mkdir ${BOOST_ROOT}
+tar xf /tmp/boost.tar.${ext} -C ${BOOST_ROOT} --strip-components 1
+cd $BOOST_ROOT
+
+BLDARGS=()
+if [[ ${BOOST_BUILD_ALL:-false} == "true" ]]; then
+    # we never need boost-python...so even for ALL
+    # option we can skip it
+    BLDARGS+=(--without-python)
+else
+    BLDARGS+=(--with-chrono)
+    BLDARGS+=(--with-container)
+    BLDARGS+=(--with-context)
+    BLDARGS+=(--with-coroutine)
+    BLDARGS+=(--with-date_time)
+    BLDARGS+=(--with-filesystem)
+    BLDARGS+=(--with-program_options)
+    BLDARGS+=(--with-regex)
+    BLDARGS+=(--with-system)
+    BLDARGS+=(--with-atomic)
+    BLDARGS+=(--with-thread)
+fi
+BLDARGS+=(-j$((2*${NUM_PROCESSORS:-2})))
+BLDARGS+=(--prefix=${BOOST_ROOT}/_INSTALLED_)
+BLDARGS+=(-d0) # suppress messages/output
+
+if [[ -z ${COMSPEC:-} ]]; then
+    if [[ "$(uname)" == "Darwin" ]] ; then
+        BLDARGS+=(cxxflags="-std=c++14 -fvisibility=default")
+    else
+        BLDARGS+=(cxxflags="-std=c++14")
+        BLDARGS+=(runtime-link="static,shared")
+    fi
+    BLDARGS+=(--layout=tagged)
+    ./bootstrap.sh
+    ./b2 "${BLDARGS[@]}" stage
+    ./b2 "${BLDARGS[@]}" install
+else
+    BLDARGS+=(runtime-link="static,shared")
+    BLDARGS+=(--layout=versioned)
+    BLDARGS+=(--toolset="${BOOST_TOOLSET}")
+    BLDARGS+=(address-model=64)
+    BLDARGS+=(architecture=x86)
+    BLDARGS+=(link=static)
+    BLDARGS+=(threading=multi)
+    cmd /E:ON /D /S /C"bootstrap.bat"
+    ./b2.exe "${BLDARGS[@]}" stage
+    ./b2.exe "${BLDARGS[@]}" install
+fi
+
+if [[ ${CI:-false} == "true" ]]; then
+    # save some disk space...these are mostly
+    # obj files and don't need to be kept in CI contexts
+    rm -rf bin.v2
+fi
+
+cd $odir
+