From 143dcd262f01dbc1ad2b1469cb08e2b346766dc7 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 5 Aug 2019 12:10:10 +0300
Subject: [PATCH] Update .travis.yml

---
 .travis.yml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 2f6fa95..2f48f2e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -46,6 +46,16 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      compiler: g++-4.8
+      env: TOOLSET=gcc CXXSTD=03,11
+      addons:
+        apt:
+          packages:
+            - g++-4.8
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       compiler: g++-5
       env: TOOLSET=gcc CXXSTD=03,11,14,1z
@@ -86,11 +96,22 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      compiler: g++-9
+      env: TOOLSET=gcc CXXSTD=03,11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - g++-9
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       compiler: clang++
       env: TOOLSET=clang CXXSTD=03,11,14,1z
 
     - os: linux
+      dist: trusty
       compiler: clang++-libc++
       env: TOOLSET=clang CXXSTD=03,11,14,1z
       addons: