Activate error on warning when building with Visual Studio.

CMakeLists.txt

@@ -177,7 +177,13 @@ add_definitions("-DHAVE_CONFIG_H")
 set(STRICT_OPTIONS_CPP )
 set(STRICT_OPTIONS_C )
 set(STRICT_OPTIONS_OBJC "-fmodules")
-if(NOT MSVC)
+if(MSVC)
+	list(APPEND STRICT_OPTIONS_CPP "/wd4068") # Disable "unknown pragma" warnings from antlr
+	list(APPEND STRICT_OPTIONS_CPP "/wd4129") # Disable "unrecognized character escape sequence" warnings from antlr
+	if(ENABLE_STRICT)
+		list(APPEND STRICT_OPTIONS_CPP "/WX")
+	endif()
+else()
 	list(APPEND STRICT_OPTIONS_CPP "-Wall" "-Wuninitialized" "-Wno-error=deprecated-declarations")
 	if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
 		list(APPEND STRICT_OPTIONS_CPP "-Wno-error=unknown-warning-option" "-Qunused-arguments" "-Wno-tautological-compare" "-Wno-builtin-requires-header" "-Wno-unused-function" "-Wno-gnu-designator" "-Wno-array-bounds")

src/CMakeLists.txt

@@ -155,6 +155,9 @@ if(BELLE_SIP_SOURCE_FILES_CXX)
 	set_source_files_properties(${BELLE_SIP_SOURCE_FILES_CXX} PROPERTIES LANGUAGE CXX)
 	apply_compile_flags(BELLE_SIP_SOURCE_FILES_CXX "CPP" "CXX")
 endif()
+if(MSVC)
+	set_source_files_properties(dns.c PROPERTIES COMPILE_FLAGS "/wd4267") # Disable "possible loss of data" warnings
+endif()
 
 string(REPLACE ";" " " LINK_FLAGS_STR "${LINK_FLAGS}")
 if(ENABLE_STATIC)