TravisCI: execute clang-tidy-8

.travis.yml

@@ -47,15 +47,19 @@ matrix:
 
     - os: linux
       env:
-        - MATRIX_EVAL="CC=clang-8 && CXX=clang++-8 && sudo apt-get install clang-8"
+        - MATRIX_EVAL="CC=clang-8 && CXX=clang++-8 && sudo rm -f /usr/local/clang-7.0.0/bin/clang-tidy && sudo ln -s /usr/bin/clang-tidy-8 /usr/bin/clang-tidy && sudo apt-get install clang-8 clang-tidy-8"
+        - CMAKE_FLAGS="-Denable-profiling=1 -DCMAKE_C_FLAGS_DEBUG=-fuse-ld=gold"
 
 before_install:
     - eval "${MATRIX_EVAL}"
-    
+    - which clang-tidy
+    - ls -la `which clang-tidy`
+    - echo $PATH
+
 before_script:
     - mkdir $HOME/fluidsynth_install/
     - mkdir build && cd build
-    
+
 script:
     - cmake -DCMAKE_INSTALL_PREFIX=$HOME/fluidsynth_install ${CMAKE_FLAGS} -Denable-portaudio=1 -Denable-ladspa=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_VERBOSE_MAKEFILE=1 -DNO_GUI=1 ..
     - make -j4