diff --git a/.travis.yml b/.travis.yml
index 1709853..d73bd71 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,11 +12,10 @@ compiler:
   - clang++
 
 env:
-  - TARGET_CPU=amd64 BUILD_CONFIGURATION=Release
+  - PLATFORM=x64 CONFIGURATION=Release
 
 script:
-  - mkdir build
   - cd build
-  - cmake .. -DCMAKE_BUILD_TYPE=$BUILD_CONFIGURATION -DTARGET_CPU=$TARGET_CPU
+  - cmake .. -DCMAKE_BUILD_TYPE=$CONFIGURATION -DTARGET_CPU=$PLATFORM
   - cmake --build .
-  - ctest -V --output-on-failure -С $BUILD_CONFIGURATION
\ No newline at end of file
+  - ctest -V --output-on-failure -С $CONFIGURATION
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 60846da..da3b19a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,15 @@ project(nameof)
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-enable_testing()
+if((CMAKE_CXX_COMPILER_ID MATCHES "GNU") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
+    add_compile_options(-pedantic)
+    add_compile_options(-Wall)
+    add_compile_options(-Wextra)
+elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+    add_compile_options(/W4)
+endif()
 
 add_subdirectory(example)
+
+enable_testing()
 add_subdirectory(test)
\ No newline at end of file
diff --git a/appveyor.yml b/appveyor.yml
index 5808bd3..72b562b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -31,7 +31,8 @@ init:
 
 before_build:
   - ps: 'Write-Host "Running $env:BUILDER with $env:GENERATOR" -ForegroundColor Magenta'
-  - if "%BUILDER%"=="CMake" cmake.exe -G "%GENERATOR%" -DCMAKE_BUILD_TYPE=%CONFIGURATION% %APPVEYOR_BUILD_FOLDER%
+  - cd build
+  - if "%BUILDER%"=="CMake" cmake.exe .. -G "%GENERATOR%" -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DTARGET_CPU=$PLATFORM
 
 build_script:
   - ps: 'Write-Host "Running $env:BUILDER:" -ForegroundColor Magenta'
diff --git a/build/.gitignore b/build/.gitignore
new file mode 100644
index 0000000..f59ec20
--- /dev/null
+++ b/build/.gitignore
@@ -0,0 +1 @@
+*
\ No newline at end of file
diff --git a/example/example.cpp b/example/example.cpp
index 82b5f6e..cde130b 100644
--- a/example/example.cpp
+++ b/example/example.cpp
@@ -102,7 +102,8 @@ void TestCase2() {
   };
 
   try {
-    int z = div(10, 0);
+    const int z = div(10, 0);
+    std::cout << z << std::endl;
   } catch (const std::exception& e) {
     std::cout << e.what() << std::endl; // y should not be zero!
   }