As requested implement cmake builds and also implement matrix customization to use a static analyzer and also doc gen in only one target to avoid having too many targets

.travis.yml

@@ -14,6 +14,17 @@ compiler:
   - gcc
   - clang
 
+env:
+  - |
+    ANALYZE=false
+    DOC=false
+
+matrix:
+  include:
+    os: linux
+    compiler: clang
+    env: ANALYZE=true DOC=true
+
 branches:
   only:
   - master
@@ -33,13 +44,23 @@ before_script:
 
 script:
   - |
-    autoconf
+   if [ $ANALYZE = "false" ]; then
-    ./configure
+     autoconf
-    make
+     ./configure
+     make
+     mkdir cmake-build
+     cmake -G "Unix Makefiles" -S .  -B"./cmake-build"
+     cd cmake-build
+     make
+   else
+     scan-build cmake -G "Unix Makefiles"
+     scan-build --status-bugs -v
+     make
+   fi
 
 after_success:
   - |
-    if [ $TRAVIS_OS_NAME == linux ]; then
+    if [ $DOC = "true" ]; then
       doxygen --version
       cd documentation
       make html
@@ -50,4 +71,4 @@ notifications:
   email:
     recipients:
       - fabien@onepost.net
-
+