Add sources and CI

Author: robertodr

.gitignore

@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+# Build directories
+*build*/

.travis.yml

@@ -0,0 +1,12 @@
+language: cpp
+sudo: false
+dist: trusty
+compiler: clang
+os: linux
+before_script:
+- cmake --version
+script:
+- cmake -H. -Bbuild
+- cd build
+- make
+- ctest

CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.0)
+
+project(hello_world CXX)
+
+add_executable(hello_world hello_world.cpp)
+
+enable_testing()
+
+add_test(hello hello_world)

hello_world.cpp

@@ -0,0 +1,7 @@
+#include <cstdlib>
+#include <iostream>
+
+int main() {
+  std::cout << "Hello, Danger world!" << std::endl;
+  return EXIT_SUCCESS;
+}