diff options
| -rw-r--r-- | libcxx/docs/BuildingLibcxx.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/docs/BuildingLibcxx.rst b/libcxx/docs/BuildingLibcxx.rst index 12acd0bbd2f..c40e5fbcc75 100644 --- a/libcxx/docs/BuildingLibcxx.rst +++ b/libcxx/docs/BuildingLibcxx.rst @@ -379,7 +379,9 @@ The following options allow building libc++ for a different ABI version. .. warning:: When providing a custom namespace, it's the users responsibility to ensure the name won't cause - conflicts with other names defined by libc++, both now and in the future. + conflicts with other names defined by libc++, both now and in the future. In particular, inline + namespaces of the form ``__[0-9]+`` are strictly reserved by libc++ and may not be used by users. + Doing otherwise could cause conflicts and hinder libc++ ABI evolution. .. option:: LIBCXX_ABI_DEFINES:STRING |
