Merge pull request #197 from kgbook/master

fix issue: code signing for "target" requires a development team. Thanks to @kgbook!

Author: leetal

ios.toolchain.cmake

@@ -769,6 +769,7 @@ if (NOT DEFINED CMAKE_MACOSX_BUNDLE)
   set(CMAKE_MACOSX_BUNDLE YES)
 endif()
 set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO")
+set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "NO")
 set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
 set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
 set(CMAKE_EXTRA_SHARED_LIBRARY_SUFFIXES ".tbd" ".so")