CMakeLists.txt: USE_STATIC_MSVC_RUNTIME option to use static version …

…of the MSVC run-time library.

CMakeLists.txt

@@ -197,6 +197,7 @@ option(USE_STATIC "Build static libraries"  ON)
 option(USE_SHARED "Build shared libraries"  OFF)
 option(USE_LIBXML "Use LibXml2 parser"      ON)
 option(USE_EXPAT  "Use expat parser"        OFF)
+option(USE_STATIC_MSVC_RUNTIME "Use static version of the MSVC run-time library" OFF)
 
 #adding xml2
 if (USE_LIBXML)
@@ -227,6 +228,19 @@ if (USE_EXPAT)
 	# TODO:: use externals
 endif ()
 
+if(USE_STATIC_MSVC_RUNTIME)
+	foreach(flag CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_MINSIZEREL
+			CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+			CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
+		if(${flag} MATCHES "/MD")
+			STRING(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
+		endif()
+		if(${flag} MATCHES "/MDd")
+			STRING(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
+		endif()
+	endforeach()
+endif()
+
 #adding PCRE
 find_package(PCRE)
 if (PCRE_FOUND)