MDEV-6262: travis coverity support

.travis.yml

@@ -20,6 +20,39 @@ env:
     - GCC_VERSION=5
     - GCC_VERSION=6
 
+#matrix:
+#  include:
+#    - env:
+#        - GCC_VERSION=6
+#      addon:
+#      coverity_scan:
+#        # ref: https://scan.coverity.com/travis_ci
+#        # GitHub project metadata
+#        project:
+#          - name: MariaDB/server
+#          - description: MariaDB Server
+#
+#        # Where email notification of build analysis results will be sent
+#        notification_email: security@mariadb.org
+#
+#        # Commands to prepare for build_command
+#        build_command_prepend:
+#          - source .travis.compiler.sh
+#          - ${MYSQL_BUILD_CC} --version ; ${MYSQL_BUILD_CXX} --version
+#          - cmake . {MYSQL_BUILD_CXX:+-DCMAKE_CXX_COMPILER=$${MYSQL_BUILD_CXX} \
+#                    {MYSQL_BUILD_CC:+-DCMAKE_C_COMPILER=$${MYSQL_BUILD_CC} \
+#                   -DCMAKE_BUILD_TYPE=Debug \
+#                   -DWITH_SSL=system -DWITH_ZLIB=system \
+#                   -DWITHOUT_TOKUDB_STORAGE_ENGINE=ON -DWITHOUT_MROONGA_STORAGE_ENGINE=ON
+#       
+#        # The command that will be added as an argument to "cov-build" to compile your project for analysis,
+#        build_command: make -j 4
+#
+#        # Pattern to match selecting branches that will run analysis.
+#        # Take care in resource usage, and consider the build frequency allowances per
+#        #   https://scan.coverity.com/faq#frequency - 7 per week is the current limit.
+#        branch_pattern: .*coverity.*
+#        
 addons:
   apt:
     sources: