From 26432febc75b05a18310ab2150838fba8a7af3e3 Mon Sep 17 00:00:00 2001
From: terik23 <neargye@gmail.com>
Date: Tue, 21 May 2019 21:17:28 +0500
Subject: [PATCH] update ci

---
 .travis.yml | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 0572c5e..eaf1909 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,12 @@ matrix:
   include:
     - os: linux
       compiler: g++
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-9
       env:
         - CXX_COMPILER=g++-9 CC_COMPILER=gcc-9
 
@@ -68,12 +74,6 @@ matrix:
       env:
         - CXX_COMPILER=clang++ CC_COMPILER=clang
 
-  allow_failures: # gcc-9 yeat unstable.
-    - os: linux
-      compiler: g++
-      env:
-        - CXX_COMPILER=g++-9 CC_COMPILER=gcc-9
-
 install:
   - export CC=${CC_COMPILER}
   - export CXX=${CXX_COMPILER}
@@ -108,15 +108,6 @@ install:
       export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${LLVM_INSTALL}/lib"
     fi
   - |
-    # If linux and gcc-9 install gcc-9.
-    if [[ "${CXX}" == "g++-9" ]]; then
-      wget http://kayari.org/gcc-latest/gcc-latest.deb
-      sudo dpkg -i gcc-latest.deb
-      sudo ln -s /opt/gcc-latest/bin/gcc /usr/bin/gcc-9
-      sudo ln -s /opt/gcc-latest/bin/g++ /usr/bin/g++-9
-      sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 90 --slave /usr/bin/g++ g++ /usr/bin/g++-9
-      sudo ldconfig /opt/gcc-latest/lib64
-    fi
 
 before_script:
   - rm -rf build