[F] Fix build for clang

.travis.yml

@@ -1,8 +1,9 @@
 language: C
-sudo: required # to prevent fail of executables build with clang and sanitizers
+#sudo: required # to prevent fail of executables build with clang and sanitizers
 matrix:
   include:
     - os: linux
+      sudo: false
       compiler: gcc
       env: GCC_BUILD=ON
       before_script:
@@ -10,11 +11,14 @@ matrix:
       after_success:
         - coveralls --build-root build --include src --include tests  --gcov-options '\-lp'
     - os: linux
+      sudo: required # to prevent fail of executables build with clang and sanitizers
       compiler: clang
       env: GCC_BUILD=OFF
       
 
 
+
+
 script:
   # Print all environment variables to aid in CI development
   - printenv