add scan-build to travis matrix

.travis.yml

@@ -21,6 +21,14 @@ addons:
     build_command_prepend: "cmake ."
     build_command:   "make -j3"
     branch_pattern: coverity_scan
+matrix:
+  include:
+    - os: linux
+      env:
+        ANALYZE="scan-build-3.6 --use-cc clang-3.6 --use-c++ clang++-3.6 "
+      compiler: clang
+  allow_failures:
+    - env: ANALYZE="scan-build-3.6 --use-cc clang-3.6 --use-c++ clang++-3.6 "
 
 before_install:
  - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then ./CI/before_install.linux.sh; fi
@@ -30,7 +38,7 @@ before_script:
  - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then ./CI/before_script.osx.sh; fi
 script:
  - cd ./build
- - if [ "$COVERITY_SCAN_BRANCH" != 1 ]; then make -j4; fi
+ - if [ "$COVERITY_SCAN_BRANCH" != 1 ]; then ${ANALYZE}make -j4; fi
  - if [ "$COVERITY_SCAN_BRANCH" != 1 ] && [ "${TRAVIS_OS_NAME}" = "osx" ]; then make package; fi
 after_script:
  - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then ./openmw_test_suite; fi

CI/before_install.linux.sh

@@ -1,7 +1,12 @@
 #!/bin/sh
 
-export CXX=g++
+if [ "${ANALYZE}" ]; then
-export CC=gcc
+  if [ $(lsb_release -sc) = "precise" ]; then
+    echo "yes" | sudo apt-add-repository ppa:ubuntu-toolchain-r/test
+  fi
+  echo "yes" | sudo add-apt-repository "deb http://llvm.org/apt/`lsb_release -sc`/ llvm-toolchain-`lsb_release -sc`-3.6 main"
+  wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key|sudo apt-key add -
+fi
 
 echo "yes" | sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe restricted multiverse"
 echo "yes" | sudo apt-add-repository ppa:openmw/openmw
@@ -10,6 +15,7 @@ sudo apt-get install -qq libgtest-dev google-mock
 sudo apt-get install -qq libboost-filesystem-dev libboost-program-options-dev libboost-system-dev libboost-thread-dev libboost-wave-dev
 sudo apt-get install -qq libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libavresample-dev
 sudo apt-get install -qq libbullet-dev libogre-1.9-dev libmygui-dev libsdl2-dev libunshield-dev libtinyxml-dev libopenal-dev libqt4-dev
+if [ "${ANALYZE}" ]; then sudo apt-get install -qq clang-3.6; fi
 sudo mkdir /usr/src/gtest/build
 cd /usr/src/gtest/build
 sudo cmake .. -DBUILD_SHARED_LIBS=1

CI/before_script.linux.sh

@@ -2,4 +2,6 @@
 
 mkdir build
 cd build
-cmake .. -DBUILD_WITH_CODE_COVERAGE=1 -DBUILD_UNITTESTS=1 -DCMAKE_INSTALL_PREFIX=/usr -DBINDIR=/usr/games  -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DUSE_SYSTEM_TINYXML=TRUE
+export CODE_COVERAGE=1
+if [ "${CC}" = "clang" ]; then export CODE_COVERAGE=0; fi
+${ANALYZE}cmake .. -DBUILD_WITH_CODE_COVERAGE=${CODE_COVERAGE} -DBUILD_UNITTESTS=1 -DCMAKE_INSTALL_PREFIX=/usr -DBINDIR=/usr/games  -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DUSE_SYSTEM_TINYXML=TRUE