[llvm-branch-commits] [libcxx] [llvm] [libc++][C++03] Use `__cxx03/` headers in C++03 mode (PR #109002)

[Nikolas Klauser via llvm-branch-commits]

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@@ -587,42 +587,48 @@ template <class T>
 
 */
 
-#include <__config>
-
-#include <__atomic/aliases.h>
-#include <__atomic/atomic.h>
-#include <__atomic/atomic_base.h>
-#include <__atomic/atomic_flag.h>
-#include <__atomic/atomic_init.h>
-#include <__atomic/atomic_lock_free.h>
-#include <__atomic/atomic_sync.h>
-#include <__atomic/check_memory_order.h>
-#include <__atomic/contention_t.h>
-#include <__atomic/cxx_atomic_impl.h>
-#include <__atomic/fence.h>
-#include <__atomic/is_always_lock_free.h>
-#include <__atomic/kill_dependency.h>
-#include <__atomic/memory_order.h>
-#include <version>
-
-#if _LIBCPP_STD_VER >= 20
-#  include <__atomic/atomic_ref.h>
-#endif
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#  pragma GCC system_header
-#endif
-
-#if !_LIBCPP_HAS_ATOMIC_HEADER
-#  error <atomic> is not implemented
-#endif
-
-#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
-#  include <cmath>
-#  include <compare>
-#  include <cstdlib>
-#  include <cstring>
-#  include <type_traits>
-#endif
+#include <__configuration/cxx03.h>
+
+#if defined(_LIBCPP_CXX03_LANG) && !defined(_LIBCPP_USE_CXX03_HEADERS)
+#  include <__cxx03/algorithm>
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philnik777 wrote:

I've checked the top level headers manually and fixed a few more.

https://github.com/llvm/llvm-project/pull/109002