Use wildcard for libcxxabi file list

lib/CMakeLists.txt

 # Get sources
 file(GLOB LIBCXX_SOURCES ../src/*.cpp)
+
 # @LOCALMOD-START Bake libcxxabi into the libcxx build.
-list(APPEND LIBCXX_SOURCES
-  ../../libcxxabi/src/abort_message.cpp
-  ../../libcxxabi/src/cxa_aux_runtime.cpp
-  ../../libcxxabi/src/cxa_default_handlers.cpp
-  ../../libcxxabi/src/cxa_demangle.cpp
-  ../../libcxxabi/src/cxa_exception.cpp
-  ../../libcxxabi/src/cxa_exception_storage.cpp
-  ../../libcxxabi/src/cxa_guard.cpp
-  ../../libcxxabi/src/cxa_handlers.cpp
-  ../../libcxxabi/src/cxa_new_delete.cpp
-  ../../libcxxabi/src/cxa_personality.cpp
-  ../../libcxxabi/src/cxa_unexpected.cpp
-  ../../libcxxabi/src/cxa_vector.cpp
-  ../../libcxxabi/src/cxa_virtual.cpp
-  ../../libcxxabi/src/exception.cpp
-  ../../libcxxabi/src/private_typeinfo.cpp
-  ../../libcxxabi/src/stdexcept.cpp
-  ../../libcxxabi/src/typeinfo.cpp
-  )
+file(GLOB LIBCXXABI_SOURCES ../../libcxxabi/src/*.cpp)
+list(APPEND LIBCXX_SOURCES ${LIBCXXABI_SOURCES})
 # @LOCALMOD-END
 
 if(WIN32)
   file(GLOB LIBCXX_WIN32_SOURCES ../src/support/win32/*.cpp)
   list(APPEND LIBCXX_SOURCES ${LIBCXX_WIN32_SOURCES})
 endif()
 
 # Add all the headers to the project for IDEs.
 if (MSVC_IDE OR XCODE)
   file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*)
@@ skipping 51 matching lines @@
   LIBRARY DESTINATION lib
   ARCHIVE DESTINATION lib
   )
 
 install(DIRECTORY ../include/
   DESTINATION include/c++/v1
   FILES_MATCHING
   PATTERN "*"
   PATTERN ".svn" EXCLUDE
   )