Close #18 with addition for clang 3.5, which should be lowest supported version currently

.travis.yml

@@ -60,6 +60,21 @@ matrix:
           - ninja-build
           - libluajit-5.1-dev
 
+    - os: linux
+      env: COMPILER=clang++-3.5 LUA_VERSION=lua52
+      compiler: clang
+      addons:
+        apt:
+          sources:
+          - ubuntu-toolchain-r-test
+          - llvm-toolchain-precise-3.5
+          packages:
+		- gcc-4.9
+		- g++-4.9
+          - clang-3.5
+          - ninja-build
+          - liblua5.2-dev
+
     - os: linux
       env: COMPILER=clang++-3.6 LUA_VERSION=lua52
       compiler: clang

README.md

@@ -57,7 +57,7 @@ For maximum ease of use, a script called `single.py` is provided. You can run th
 
 ## Supported Compilers
 
-Sol makes use of C++11/14 features. GCC 4.9 and Clang 3.4 or higher should be able to compile without problems. However, the
+Sol makes use of C++11/14 features. GCC 4.9 and Clang 3.4 (with std=c++1z and appropriate standard library) or higher should be able to compile without problems. However, the
 officially supported and CI-tested compilers are:
 
 - GCC 4.9.0+