Fix compilation error on Ubuntu Xenial (#60)

* CMake: Remove -Wstrict-overflow (#59)
This warning has been added by mistake in a previous PR. Closes #59

* Travis: Do not build the examples

cmake/compilation_flags.cmake

@@ -20,7 +20,7 @@ else ()
     -Wformat=2 -Winit-self -Wlong-long -Wmissing-declarations -Wmissing-include-dirs -Wcomment
     -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wsign-conversion
     -Wsign-promo -Wstrict-overflow=5 -Wswitch-default -Wundef -Werror -Wunused -Wuninitialized
-    -Wno-missing-declarations
+    -Wno-missing-declarations -Wno-strict-overflow
   )
 
   if (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")

travis.sh

@@ -152,7 +152,7 @@ common_build() {
   printf " > Installing...\n"
   sudo touch /usr/lib/test_file > /dev/null 2>&1
   if [ $? -ne 0 ] ; then
-    printf " x Access denied to /usr/lib; examples will not be built\n"
+    printf " x Access denied to /usr/lib; the 'install' step will be skipped\n"
 
   else
     ( cd "build" && sudo make install ) > "$log_file" 2>&1
@@ -161,35 +161,6 @@ common_build() {
       cat "$log_file"
       return 1
     fi
-
-    printf "\n"
-
-    printf "Examples\n"
-    if [ ! -d "examples_build" ] ; then
-      printf " > Creating the build directory...\n"
-      mkdir "examples_build"
-      if [ $? -ne 0 ] ; then
-        printf " x Failed to create the build directory\n\n\n"
-        cat "$log_file"
-        return 1
-      fi
-    fi
-
-    printf " > Configuring...\n"
-    ( cd "examples_build" && cmake "../examples/peaddrconv" ) > "$log_file" 2>&1
-    if [ $? -ne 0 ] ; then
-      printf " x Configure failed; CMake returned an error.\n\n\n"
-      cat "$log_file"
-      return 1
-    fi
-
-    printf " > Building...\n"
-    ( cd "examples_build" && make -j "${processor_count}" ) > "$log_file" 2>&1
-    if [ $? -ne 0 ] ; then
-      printf " x The build has failed.\n\n\n"
-      cat "$log_file"
-      return 1
-    fi
   fi
 
   printf "\n"