language: c
compiler:
        - gcc-4.6
        - gcc-4.9
        - gcc-5.2
        - gcc-6.1
        - clang
addons:
        apt:
                sources:
                        -  george-edison55-precise-backports # cmake 3.2.3 
                        -  ubuntu-toolchain-r-test # gcc versions
                packages:
                        - gcc-4.9
                        - gcc-5
                        - gcc-6
                        - cmake
                        - cmake-data
                        - check


script: ls -l /usr/bin/gc* ; mkdir -p tests/build && cd tests/build && cmake .. && make && ./tests-printf  

after_failure:
        - cat /tmp/sumary_test.txt
        - rm /tmp/sumary_test.txt

after_success:
        - cat /tmp/sumary_test.txt
        - rm /tmp/sumary_test.txt

language: c
compiler:
    - gcc-4.6
    - gcc-4.9
    - gcc-5
    - gcc-6
    - clang
addons:
    apt:
        sources:
            -  george-edison55-precise-backports # cmake 3.2.3 
            -  ubuntu-toolchain-r-test # gcc versions
        packages:
            - gcc-4.9
            - gcc-5
            - gcc-6
            - cmake
            - cmake-data
            - check


script: ls -l /usr/bin/gc* ; mkdir -p tests/build && cd tests/build && cmake .. && make && ./tests-printf  

after_failure:
    - cat /tmp/sumary_test.txt
    - rm /tmp/sumary_test.txt

after_success:
    - cat /tmp/sumary_test.txt
    - rm /tmp/sumary_test.txt

Format style in yml file
Format style in yml file
