Temporary disabled samples & unity plugin build on linux; added .trav…

…is.yml script

.travis.yml

@@ -0,0 +1,30 @@
+sudo: required
+
+language: cpp
+
+compiler:
+  #- clang
+  - gcc
+
+os:
+  - linux
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - gcc-7.2
+      - g++-7.2
+      - cmake
+
+
+script:
+  # Link gcc-6 and g++-6 to their standard commands
+  - sudo ln -s /usr/bin/gcc-7.2 /usr/local/bin/gcc
+  - sudo ln -s /usr/bin/g++-7.2 /usr/local/bin/g++
+  # Export CC and CXX to tell cmake which compiler to use
+  - export CC=/usr/bin/gcc-6
+  - export CXX=/usr/bin/g++-6
+  # Check versions of gcc, g++ and cmake
+  - gcc -v && g++ -v && cmake --version

CMakeLists.txt

@@ -6,9 +6,11 @@ project(DiligentEngine)
 
 add_subdirectory(DiligentCore)
 add_subdirectory(DiligentTools)
+		if(NOT PLATFORM_LINUX)  # !!!! TEMPORARY  !!!!
 add_subdirectory(DiligentSamples)
 add_subdirectory(Projects)
 add_subdirectory(unityplugin)
+		endif()					# !!!! TEMPORARY  !!!!
 
 if(PLATFORM_WIN32)
 	set_property(DIRECTORY PROPERTY VS_STARTUP_PROJECT Asteroids)