try 3.9 and check for GLIBCXX symbols >= 3.4.20

.travis.yml

@@ -25,19 +25,19 @@ matrix:
     - os: linux
       sudo: false
       compiler: ": clang"
-      env: JOBS=8 MASON_PUBLISH=true CXX="ccache clang++-3.8 -Qunused-arguments" CC="clang-3.8" TRIGGER=true
+      env: JOBS=8 MASON_PUBLISH=true CXX="ccache clang++-3.9 -Qunused-arguments" CC="clang-3.9" TRIGGER=true
       addons:
         apt:
           sources: [ 'ubuntu-toolchain-r-test' ]
-          packages: [ 'libstdc++-5-dev', 'xutils-dev']
+          packages: [ 'libstdc++-4.8-dev' ]
     - os: linux
       sudo: false
       compiler: ": clang-coverage"
-      env: JOBS=8 COVERAGE=true CXX="ccache clang++-3.8 -Qunused-arguments" CC="clang-3.8"
+      env: JOBS=8 COVERAGE=true CXX="ccache clang++-3.9 -Qunused-arguments" CC="clang-3.9"
       addons:
         apt:
           sources: [ 'ubuntu-toolchain-r-test' ]
-          packages: ['libstdc++-5-dev', 'xutils-dev' ]
+          packages: [ 'libstdc++-4.8-dev' ]
     - os: osx
       compiler: ": clang-osx"
       # https://docs.travis-ci.com/user/languages/objective-c/#Supported-OS-X-iOS-SDK-versions
@@ -76,13 +76,10 @@ install:
 
 before_script:
  - source bootstrap.sh
- - |
-   if [[ $(uname -s) == 'Linux' ]]; then
-     mason install clang 3.8.0
-     export PATH=$(mason prefix clang 3.8.0)/bin:${PATH}
-     which clang++
-     export LLVM_COV="$(mason prefix clang 3.8.0)/bin/llvm-cov"
-   fi
+ - mason install clang++ 3.9.0
+ - export PATH=$(mason prefix clang++ 3.9.0)/bin:${PATH}
+ - which clang++
+ - export LLVM_COV="$(mason prefix clang++ 3.9.0)/bin/llvm-cov"
  - ccache --version
  - ccache -p || true
  - ccache --show-stats || true
@@ -98,6 +95,7 @@ script:
  # (and might work) for the next build
  - DURATION=2400
  - scripts/travis-command-wrapper.py -s "date" -i 120 --deadline=$(( $(date +%s) + ${DURATION} )) make
+ - nm src/libmapnik.* | grep "GLIBCXX_3.4.2[0-9]" | c++filt
  - make test
  - enabled ${COVERAGE} coverage
  - enabled ${BENCH} make bench

bootstrap.sh

@@ -11,7 +11,7 @@ todo
 - shrink icu data
 '
 
-MASON_VERSION="new-pkgs"
+MASON_VERSION="llvm-3.9.0-newpkgs"
 
 function setup_mason() {
     if [[ ! -d ./.mason ]]; then
@@ -47,42 +47,34 @@ function install() {
 ICU_VERSION="55.1"
 
 function install_mason_deps() {
-    FAIL=0
-    install ccache 3.3.0 &
-    install zlib system &
-    install jpeg_turbo 1.5.0 libjpeg &
-    install libpng 1.6.24 libpng &
-    install libtiff 4.0.6 libtiff &
-    install libpq 9.5.2 &
-    install sqlite 3.14.1 libsqlite3 &
-    install expat 2.2.0 libexpat &
-    install icu ${ICU_VERSION} &
-    install proj 4.9.2 libproj &
-    install pixman 0.34.0 libpixman-1 &
-    install cairo 1.14.6 libcairo &
-    install protobuf 2.6.1 &
+    install ccache 3.3.0
+    install zlib system
+    install jpeg_turbo 1.5.0 libjpeg
+    install libpng 1.6.24 libpng
+    install libtiff 4.0.6 libtiff
+    install libpq 9.5.2
+    install sqlite 3.14.1 libsqlite3
+    install expat 2.2.0 libexpat
+    install icu ${ICU_VERSION}
+    install proj 4.9.2 libproj
+    install pixman 0.34.0 libpixman-1
+    install cairo 1.14.6 libcairo
+    install protobuf 2.6.1
     # technically protobuf is not a mapnik core dep, but installing
     # here by default helps make mapnik-vector-tile builds easier
-    install webp 0.5.1 libwebp &
-    install gdal 2.1.1 libgdal &
-    install boost 1.61.0 &
-    install boost_libsystem 1.61.0 &
-    install boost_libfilesystem 1.61.0 &
-    install boost_libprogram_options 1.61.0 &
-    install boost_libregex_icu 1.61.0 &
+    install webp 0.5.1 libwebp
+    install gdal 2.1.1 libgdal
+    install boost 1.61.0
+    install boost_libsystem 1.61.0
+    install boost_libfilesystem 1.61.0
+    install boost_libprogram_options 1.61.0
+    install boost_libregex_icu 1.61.0
     # technically boost thread and python are not a core dep, but installing
     # here by default helps make python-mapnik builds easier
-    install boost_libthread 1.61.0 &
-    install boost_libpython 1.61.0 &
-    install freetype 2.6.5 libfreetype &
-    install harfbuzz 1.3.0 libharfbuzz &
-    for job in $(jobs -p)
-    do
-        wait $job || let "FAIL+=1"
-    done
-    if [[ "$FAIL" != "0" ]]; then
-        exit ${FAIL}
-    fi
+    install boost_libthread 1.61.0
+    install boost_libpython 1.61.0
+    install freetype 2.6.5 libfreetype
+    install harfbuzz 1.3.0 libharfbuzz
 }
 
 MASON_LINKED_ABS=$(pwd)/mason_packages/.link