Set global CMAKE_MSVC_RUNTIME_LIBRARY.

This variable will apply to all targets, rather than needing to apply a
per-target setting.

CMakeLists.txt

@@ -13,6 +13,8 @@ option(BUILD_TOOLS "Build tools" ON)
 option(BUNDLE_SPEEX "Bundle the speex library" OFF)
 option(LAZY_LOAD_LIBS "Lazily load shared libraries" ON)
 option(USE_SANITIZERS "Use sanitizers" ON)
+# Set debugging for runtime libraries if requested.
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>$<$<BOOL:${BUILD_SHARED_LIBS}>:DLL>")
 
 if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
@@ -86,11 +88,6 @@ add_library(cubeb
   src/cubeb_strings.c
   src/cubeb_utils.cpp
 )
-# Set debugging for runtime libraries if requested.
-if (MSVC)
-  set_property(TARGET cubeb PROPERTY
-               MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>$<$<BOOL:${BUILD_SHARED_LIBS}>:DLL>")
-endif()
 
 target_include_directories(cubeb
   PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> $<INSTALL_INTERFACE:include>