commit 42b943568a42dea1cdd838e2025b2f1871447127
author Mark de Wever <koraq@xs4all.nl> Tue May 18 20:00:22 2021 +0200
committer Copybara-Service <copybara-worker@google.com> Wed May 26 08:55:48 2021 -0700
tree e65bb3f6741a2f9ae72ca76dc7e21e0109fe5fa9
parent e26bdbb4a9b93ad10643b36a60456c334c3469c2

[libc++][format] Adds availability macros for std::format.

This prevents std::format to be available until there's an ABI stable
version. (This only impacts the Apple platform.)

Depends on D102703

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D102705

NOKEYCHECK=True
GitOrigin-RevId: 963495f0d4b5a0707f82b6c6454f42f3aa52da9b

include/version

diff --git a/include/version b/include/version
index fb5eb6e..3d1554b 100644
--- a/include/version
+++ b/include/version
@@ -319,7 +319,9 @@
 # define __cpp_lib_erase_if                             202002L
 # undef  __cpp_lib_execution
 // # define __cpp_lib_execution                            201902L
-// # define __cpp_lib_format                               201907L
+# if !defined(_LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_format)
+// #   define __cpp_lib_format                             201907L
+# endif
 # define __cpp_lib_generic_unordered_lookup             201811L
 # define __cpp_lib_int_pow2                             202002L
 # if !defined(_LIBCPP_HAS_NO_CONCEPTS)