Add test support for windows MSVC 2015 on appveyor

- build the code with source and execution charset set to utf-8 (required
  for unicode chars in the source code)

- Example/culebra/linenoise.hpp requires being build with UNICODE on windows

  The WIN32 part of that code actually is written against wchar support
  only (e.g. wsprintf, wcstol, ...); but some pieces requires the UNICODE def
  being set explicitely (e.g. GetEnvironmentVariable).

- don't build lint and language subfolders on windows at all (for now)

CMakeLists.txt

@@ -6,7 +6,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     message(FATAL_ERROR "Need at least gcc 4.9 to compile.")
   endif()
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
-elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+elseif(MSVC)
   if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19)
     message(FATAL_ERROR "Visual Studio 2015 or newer is required.")
   endif()
@@ -52,7 +52,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
     )
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   set(warning_options -Wall -Wpedantic -Wextra)
-elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+elseif(MSVC)
   set(warning_options /W4 /wd4503 /wd4512)
 endif()
 
@@ -60,10 +60,17 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
   set(add_link_deps pthread)
 endif()
 
+if(MSVC)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8")
+endif()
+
 enable_testing()
 
-add_subdirectory(lint)
 add_subdirectory(test)
 add_subdirectory(example)
+
+if(NOT MSVC)
+add_subdirectory(lint)
 add_subdirectory(language/pl0)
 add_subdirectory(language/culebra)
+endif()

appveyor.yml

@@ -0,0 +1,16 @@
+clone_depth: 5
+
+environment:
+  matrix:
+    - CMAKE_GENERATOR: "Visual Studio 14 2015"
+      CONFIGURATION: Release
+    - CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
+      CONFIGURATION: Release
+
+build_script:
+  - mkdir build && cd build
+  - cmake .. -Wno-dev -G"%CMAKE_GENERATOR%"
+  - cmake --build . --config %CONFIGURATION%
+
+test_script:
+  - ctest -C %CONFIGURATION% -V

example/CMakeLists.txt

@@ -1,6 +1,11 @@
 cmake_minimum_required(VERSION 2.8)
 include_directories(..)
-add_compile_options(${cxx11_options} ${warning_options})
+
+if(MSVC)
+  add_compile_options(${cxx11_options} /W3)
+else()
+  add_compile_options(${cxx11_options})
+endif()
 
 add_executable(calc calc.cc)
 target_link_libraries(calc ${add_link_deps})

language/culebra/CMakeLists.txt

@@ -1,4 +1,11 @@
 cmake_minimum_required(VERSION 2.8)
 include_directories(../..)
 
+if(MSVC)
+  add_compile_options(${cxx11_options} /W3)
+  add_definitions(-DUNICODE)
+else()
+  add_compile_options(${cxx11_options})
+endif()
+
 add_executable(culebra main.cc)

language/pl0/CMakeLists.txt

@@ -1,4 +1,10 @@
 cmake_minimum_required(VERSION 2.8)
 include_directories(../..)
 
+if(MSVC)
+  add_compile_options(${cxx11_options} /W0)
+else()
+  add_compile_options(${cxx11_options})
+endif()
+
 add_executable(pl0 pl0.cc)

lint/CMakeLists.txt

@@ -1,4 +1,10 @@
 cmake_minimum_required(VERSION 2.8)
 include_directories(..)
 
+if(MSVC)
+  add_compile_options(${cxx11_options} /W3)
+else()
+  add_compile_options(${cxx11_options})
+endif()
+
 add_executable(peglint peglint.cc server.cc)