compile clang++

.travis.yml

@@ -8,7 +8,7 @@ matrix:
           sources: ['llvm-toolchain-trusty-5.0']
           packages: ['clang-5.0']  
       env:
-        - MATRIX_EVAL="CC=clang-5.0 CXX=clang++-5.0"
+        - MATRIX_EVAL="CC=clang CXX=clang++"
     
     - os: linux
       compiler: g++
@@ -28,5 +28,7 @@ before_install:
 
 script:
  - qmake -v
- - qmake zec-qt-wallet.pro CONFIG+=release 
+ - clang++ -v
+ - g++-8 -v
+ - qmake zec-qt-wallet.pro CONFIG+=release -spec linux-clang
  - make $MATRIX_EVAL