Use DISABLE_INVALID_NUMBERS on WIN32 CMake builds

1 files changed, 7 insertions, 7 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f3e970..18d6b97 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,24 +51,24 @@ if(NOT HAVE_ISINF)
     add_definitions(-DUSE_INTERNAL_ISINF)
 endif()
 
+set(_MODULE_LINK "${CMAKE_THREAD_LIBS_INIT}")
+get_filename_component(_lua_lib_dir ${LUA_LIBRARY} PATH)
+
 if(APPLE)
     set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
         "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -undefined dynamic_lookup")
 endif()
 
-get_filename_component(_lua_lib_dir ${LUA_LIBRARY} PATH)
 if(WIN32)
+    # Win32 modules need to be linked to the Lua library.
+    set(_MODULE_LINK ${LUA_LIBRARY} ${_MODULE_LINK})
     set(_lua_module_dir "${_lua_lib_dir}")
+    # Windows sprintf()/strtod() handle NaN/inf differently. Not supported.
+    add_definitions(-DDISABLE_INVALID_NUMBERS)
 else()
     set(_lua_module_dir "${_lua_lib_dir}/lua/5.1")
 endif()
 
-set(_MODULE_LINK "${CMAKE_THREAD_LIBS_INIT}")
-if(WIN32)
-    # Win32 modules need to be linked to the Lua library.
-    set(_MODULE_LINK ${LUA_LIBRARY} ${_MODULE_LINK})
-endif()
-
 add_library(cjson MODULE lua_cjson.c strbuf.c ${FPCONV_SOURCES})
 set_target_properties(cjson PROPERTIES PREFIX "")
 target_link_libraries(cjson ${_MODULE_LINK})