attempt to fix travis with clang

.travis.yml

@@ -32,12 +32,16 @@ before_script:
   - cd ..
   # Creating libraries links and updating cache
   - sudo ldconfig > /dev/null
+  #installing check, needed for unit tests
+  - sudo apt-get install check > /dev/null
   # Installing toxcore
   - git clone https://github.com/irungentoo/toxcore.git toxcore
   - cd toxcore
   - autoreconf -i
-  - ./configure --disable-tests --disable-ntox --disable-daemon --enable-av
-  - make -j2 || make || exit 1
+  - CFLAGS="-Ofast -Wall -Wextra" ./configure --disable-daemon --disable-ntox
+  - make -j3
+  - make check
+  - make dist
   - sudo make install
   - cd ..
 script: