added minimal support for cmake build in appveyor CI

.travis.yml

@@ -228,8 +228,7 @@ script:
   - cd ..
 
 # minimal support for cmake build
-  - mkdir build
-  - cd build
+  - mkdir build && cd build
   - if [[ "$cmake" == "1" ]]; then
       export CXX=g++-5 &&
       export CC=gcc-5 &&

CMakeLists.txt

@@ -490,9 +490,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES Clang)
 		-Wno-global-constructors
 		-Wno-exit-time-destructors
 		-Wno-weak-vtables)
-endif()
-
-if(CMAKE_CXX_COMPILER_ID MATCHES GNU)
+elseif(CMAKE_CXX_COMPILER_ID MATCHES GNU)
 	add_compile_options(
 		-Wall
 		-Wextra
@@ -502,6 +500,23 @@ if(CMAKE_CXX_COMPILER_ID MATCHES GNU)
 		-Wc++11-compat
 		-Wno-format-zero-length
 		-ftemplate-depth=512)
+elseif(MSVC)
+	add_compile_options(
+		/W4
+		# C4251: 'identifier' : class 'type' needs to have dll-interface to be
+		#        used by clients of class 'type2'
+		/wd4251
+		# C4275: non DLL-interface classkey 'identifier' used as base for
+		#        DLL-interface classkey 'identifier'
+		/wd4275
+		# C4373: virtual function overrides, previous versions of the compiler
+		#        did not override when parameters only differed by const/volatile qualifiers
+		/wd4373
+		# C4268: 'identifier' : 'const' static/global data initialized
+		#        with compiler generated default constructor fills the object with zeros
+		/wd4268
+		# C4503: 'identifier': decorated name length exceeded, name was truncated
+		/wd4503)
 endif()
 
 if (shared)

appveyor.yml

@@ -20,6 +20,7 @@ environment:
     model: 64
     python: 1
     crypto: openssl
+    cmake: 1
   - variant: test_debug
     compiler: gcc
     model: 32
@@ -91,6 +92,14 @@ build_script:
   b2.exe --hash openssl-version=pre1.1 warnings-as-errors=on -j2 %compiler% address-model=%model% debug-iterators=off picker-debugging=on invariant-checks=full test_debug %linkflags% %include% boost-link=default link=static crypto=built-in define=BOOST_ASIO_DISABLE_IOCP testing.execute=off
   )
 
+# minimal support for cmake build
+- cd %ROOT_DIRECTORY%
+- mkdir build && cd build
+- if defined cmake (
+  cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="/WX" -G "Visual Studio 14 2015 Win64" .. &&
+  cmake --build .
+  )
+
 test_script:
 - cd %ROOT_DIRECTORY%\test
 - appveyor-retry b2.exe -l400 --hash openssl-version=pre1.1 warnings-as-errors=on -j2 %compiler% address-model=%model% picker-debugging=on invariant-checks=full variant=%variant% %linkflags% %include% link=shared crypto=%crypto% win-tests